Ransomware

Ransomware attacks cause downtime, data loss, possible intellectual property theft, and in certain industries a ransomware attack is considered a data breach. Email-based ransomware is generally used in targeted attacks, and relies on a variety of methods, including phishing, spear sphishing, malicious attachments and URLs. McAfee Labs Threats Report: May 2015 : This report includes the key topic, Ransomware returns: new families emerge with a vengeance.” It details the CTB-Locker family of ransomware. Screen-blocking mobile Ransomware – this is the mobile equivalent of the monitor-locking computer version. Ransomware is highly effective because the methods of encryption or locking of the files are practically impossible to decrypt without paying ransom.

This is how SecuriSync enables business continuity during a ransomware outbreak: instant rollback and instant access. The new ransomware also has the capability to encrypt your network-based backup files. As mentioned in the limitations, Vilaca added just ten lines of code in its ransomware proof-of-concept to take the victim’s files outside of the home directory and lock them up. You can watch the video above showing his hack. Known as Police Ransomware or Police Trojans, these malware are notable for showing a notification page purportedly from the victim’s local law enforcement agency, informing them that they were caught doing an illegal or malicious activity online. While ransomware initially targeted individuals, it has grown in sophistication and has begun going after large organizations with growing ransom demands.

The most important step you can take to secure your system against ransomware is to regularly perform a system backup to safeguard your valuable data. Additionally, the latest ESET products provide an enhanced Botnet Protection module that blocks communication between ransomware and Command and Control (C&C) servers. Further, Lieu has written a letter to HHS to urge regulators (PDF) to require disclosures of ransomware attacks that affect access to patient records, even in the absence of a data breach involving the viewing of patient health information. Which brings up the other coming shift with ransomware: More targeted ransom attacks. That leaves the heavy lifting of stopping ransomware before it can do its encrypting damage to more proactive, preventitive tools like A/V. Using TIE and ATD to Fight Ransomware (part of the McAfee Threat Intelligence Exchange and McAfee Advanced Threat Defense track).

It is found that both Hydracrypt and Umbrecrypt share the same genealogy which got traced back to CrypBoss Ransomware with small modifications in the implementation by its authors. In testing labs, researchers have developed software that detects some variants of ransomware Computer security companies such as Kaspersky Lab have deployed decryption tools to help victims unlock their data after an attack. With a profitable business model and a payment scheme that affords anonymity for its operators, ransomware development is expected to accelerate over the coming years. Instead, ransomware can spread through gaps in security systems or un-patched, outdated applications. April 2016 – The Ransomware That Knows Where You Live It’s happening in the UK today, and you can expect it in America tomorrow correction- it’s already happening today. The agency says more than 4,000 cases of ransomware occur daily , quadruple the rate from last year.

Since most ransomware is delivered via malware found in phishing emails, users need to be trained to not click on those emails. November 2015 – A Ransomware news roundup reports a new strain with a very short 24-hour deadline, researchers crack the Linix. The ransomware encrypts files with AES-256 encryption, asking victims to pay 1.24 Bitcoin (nearly US$810) for the decryption key. When ransomware encrypts the files in your online storage folder (Dropbox®, Box®, Google Drive®, etc.), the encrypted files sync up to the cloud.

Mid 2011 – The first large scale ransomware outbreak, and ransomware moves into the big time due to the use of anonymous payment services, which made it much easier for ransomware authors to collect money from their victims. Healthcare is not the only area in which such a conflict may arise with a serious impact on the individual, of course, but healthcare organizations have been heavily and publicly hit by ransomware over the last year or so. Ransomware will ask that a substantial fee is paid for the decryption of the files to restore them back to their original state.

It’s a never-ending battle, which is why we urge you to focus on prevention and having multiple backups for your data. Late 2014 – TorrentLocker – According to iSight Partners, TorrentLocker is a new strain of ransomware that uses components of CryptoLocker and CryptoWall but with completely different code from these other two ransomware families.” It spreads through spam and uses the Rijndael algorithm for file encryption rather than RSA-2048. Report a Crime : The law enforcement agencies involved with No More Ransom and the FBI consider extortion via ransomware a crime.

This free manual is packed with actionable info that you need to prevent infections, and what to do when you are hit with ransomware. Ransomware often uses the web or email to reach victim systems, so those are vectors that security teams must monitor for signs of attack. The most common advice to recover from an attack by ransomware relies largely on whether a good backup policy is employed for your data and entire system backups.

For those who want to explore this strain further, I can recommend this extensive presentation on this advanced piece of ransomware. Similar to TROJ_RANSOM.BOV, this new wave of ransomware displayed a notification page supposedly from the victim’s local police agency instead of the typical ransom note (see Reveton, Police Ransomware below). As the ISTR charts below show, the upward trend in both new ransomware variants and new ransomware families is accelerating. October 2015 – A new ransomware strain spreads using remote desktop and terminal services attacks.

Comodo offers comprehensive protection against ransomware through Comodo Endpoint Security Management (CESM) for enterprises and Comodo Internet Security (CIS) for desktops and laptops. The company said it identified almost $100,000 in payments from hospital ransomware victims to specific bitcoin accounts so far in 2016. There are different variants of ransomware; some ransomware is designed to attack windows PCs while other strains infect Macs and even mobile devices. It provides organizations with valuable insights into the CryptoWall Version 3 lifecycle and current proliferation, as well as tools for prevention and mitigation. The source code of CrypBoss Ransomware was leaked last year on Pastebin, which was later analyzed by Fabian Wosar, a security researcher at Emsisoft.

There is a new website called ID Ransomware that allows you to upload your ransom note and a sample encrypted file. If anything on the web could be defined as deadly, it would be a Ransomware virus Just like the one discussed in the article below -Shit File. All other applications are prevented from running or executing, including malware and ransomware.

There are entire ransomware outfits working out of office buildings and raking in millions of dollars every year. Also, a new strain of ransomware called Jigsaw starts deleting files if you do not pay the ransom. Within a couple of years, ransomware has evolved from a threat that targeted Russian users to an attack that spread to several European and North American countries. Last month, the IT department of the University from where I have done my graduation called me for helping them get rid of a Ransomware infection that locked down all its student’s results just a day before the announcement. There is no guarantee that paying the fine or doing what the ransomware tells you will give access to your PC or files again. Unpacking Ransomware and the Ransomware Threat Landscape (part of the Advanced Threat Research and Intelligence Sharing track).

The simplest way to avoid ransomware infection is to learn how to identify the attachments they use to sneak into systems Avoiding bad attachments and shrouded links goes a long way. Thus, it is crucial for users to know how ransomware works and how to best protect themselves from this threat. In last few years, we saw an innumerable rise in ransomware threats ranging from Cryptowall to Locky ransomware discovered last week. The authors offered a free master key in an entirely surprising move and ESET quickly created a Free Ransomware Decryptor tool for TeslaCrypt, which is available for download from the ESET website. Put an end to malware infections, here are some tips and tricks to avoid becoming another victim of ransomware. Ransomware is on the rise – there are now more than 50 families of this malware in circulation — and it’s evolving quickly. Ransomware has risen dramatically since last few years and is currently one of the most popular threats on the Internet.

Typical Ransomware targets victim’s computer encrypts files on it, and then demands a ransom – typically about $500 in Bitcoin – in exchange for a key that will decrypt the files. In 2015, ransomware found new targets and moved beyond its focus on PCs to smart phones, Mac, and Linux systems. Therefore, ransomware coded to work on top of would theoretically be able to target Mac OS X as well as Linux operating systems. In a surprising move in the malware’s story, the cybercriminals behind the nefarious TeslaCrypt ransomware have apparently shut down their operations and released a master key to the public that can unlock all encrypted files on PCs infected by the latest versions of TeslaCrypt. Ransomware (a.k.a. rogueware or scareware) restricts access to your computer system and demands that a ransom is paid in order for the restriction to be removed.

Of course this doesn’t just apply in the instance of a ransomware virus attack – any power interruption or hardware failure, file deletion, application or human error, can have a similar impact and require the same considerations to be made when planning for these incidences. The silver lining – if there is one – is that ransomware incidents have been understood to be single purpose attacks: designed to generate a payday for their operators. If neither the automatic or manual removal instructions above successfully remove the ransomware, please send a sample of the ransomware file to our Security Labs for analysis. With the proliferation of SSDs and hardware assisted acceleration like Intel’s AES-NI, we can only expect ransomware speeds to get faster.

Last year, even the FBI advised paying off the Ransom amount to the ransomware criminals as they had not come up with any other alternatives. Because ransomware is so pervasive and the damage can be so costly , I’m always surprised when I talk to C-levels who have not put it on their radar. The current wave of ransomware threats began in late 2013 with the emergence of what is probably the most well-known family of ransomware, CryptoLocker.

Its endpoint protection also delivers several capabilities such as behavior monitoring and a real-time web reputation service that detects and blocks ransomware. Additionally, ransomware authors are reaping the financial benefits of successful campaigns, and we can expect better-funded future campaigns to continue to push advanced capabilities. Most antivirus software already includes a component that helps to identify a ransomware threat in the early stages of infection, without occurring the loss of any sensitive data. For best protection against Filecoder malware, we recommend the use of ESET Endpoint Security in virtual environments.

This No More Ransom initiative informs the public about the dangers of ransomware threat, how to avoid falling victim to it and how to recover data without paying money to cyber-criminals if a person or company falls for one. Most often ransomware authors will deliver the decryption key and return your files once you pay, but keep in mind, there is no guarantee. New ransomware is ‘unknown’ to a traditional antivirus scanner until it has been detected and proven to be malicious by an unfortunate victim. The cyber gang uses social engineering to get the end-user to install the ransomware using such devices as a rogue antivirus product. Once done, the infected PC restarts and the Petya ransomware code is booted rather than the operating system, displaying a ransom note that demands 0.9 Bitcoin (approx. Ransomware creators and other cyber criminals involved in the malware economy are remorseless.

If ‘police-themed’ ransomware is installed on the system, it can be removed using a downloadable removal tool. Attacks by well-known ransomware can be prevented as the malware’s signature will have been added to the databases of major antivirus companies. The current versions of ESET products use the latest and next generation technologies to protect computers from ransomware. Though earlier ransomware samples we saw tended to be simple, blatant attempts at extortion, recent ones have been more subtle in design. Due to the introduction of Citadel, ransomware infections surpassed 100,000 in the first quarter of 2012. Other advice includes storing backups in an offline environment because many ransomware variants will try to encrypt data on connected network shares and removable drives. Quoting FBI statistics, Gleinser says an average of 4,000 ransomware episodes now take place each day, mostly with no ideological rhyme or reason.

Locky ransomware affects nearly all file formats and encrypts all the files and replace the filename withlocky extension. Just make sure it is turned on all the time, fully updated, and provides real-time protection. This February, they were forced to take their PCs offline so I.T. could contain a ransomware outbreak and restore their files. Ransomware attacks are different in that they affect healthcare operations and may deny access to patient records, Lieu noted. Locky ransomware asks victims to pay between 0.5 and 2 Bitcoins ($208 to $800) in order to get the decryption key. Abrams said the a ransomware variant known as Jigsaw ” debuted this capability in April 2016. Unfortunately, there was no decrypter available for that specific ransomware sample, but luckily they had the digital backup for the examination results in the form of hundreds of excel sheets. The estimated number of ransomware victims tripled in the first quarter of this year alone.

Once executed in the system, ransomware can either lock the computer screen, or, in the case of crypto-ransomware, encrypt predetermined files. The FBI estimates cost of ransomware could reach $1 billion in 2016 in the United States, thanks to a surge in cases. If people and companies didn’t pay up, then ransomware attacks would become uneconomic, which wouldn’t stop criminality, but would force crooks to explore other avenues – or maybe I should say dark and sinister alleyways.

Once clicked, the malicious Ad redirects the user to a malicious website that hosts Angler Exploit Kit (AEK) to infect visitors by installing malware and ransomware on their computer. Ransomware has been plaguing healthcare organizations across the U.S. in recent years: crippling clinical environments and extracting payments from an unknown number of healthcare organizations desperate to restore access to life saving systems. Recently, the University of Calgary in Alberta paid a ransom of $20,000 to decrypt their computer systems’ files and regain access to its own email system after getting hit by a ransomware infection. At Carbonite, we launched FightRansomware , a website dedicated to informing small businesses about the ways ransomware works and the most effective methods for protecting your data.

That’s why, after testing ransomware on home users and evaluating the impact, they moved onto bigger targets: police departments , city councils and even schools and, worse, hospitals ! Nevertheless I’m going to repeat my own advice that an ounce of prevention (and backup) is worth a ton of Bitcoins, and doesn’t encourage the criminals to keep working on their unpleasant technologies and approaches to social engineering. Ransomware may arrive as part of another malware’s payload, or may be delivered by an exploit kit such as Blackhole , which exploits vulnerabilities on the affected computer to silently install and execute the malware.

If you are lucky, hopefully the ransomware didn’t encrypt your data, but instead hid your icons, shortcuts, and files, you can easily show hidden files: Open Computer, navigate to C:\Users\, and open the folder of your Windows account name. Contextual intelligence can provide critical potential warning signs associated with ransomware to help prevent future attacks. In early 2016, a new ransomware variant dubbed Samsam” (PDF) was observed targeting businesses running outdated versions of Red Hat‘s JBoss enterprise products. Another unique characteristic of the ransomware is giving victims the ability to exchange messages with the ransomware attackers, noted by Lawrence in his blogpost.

For Enterprises: Email and web gateway solutions such as Trend Micro Deep Discovery Email Inspector and InterScan Web Security prevent ransomware from reaching end users. Known vulnerabilities in the Content Management Systems are often used to deploy ransomware on web services. Infection by ransomware does happen and free tools exist from companies such as Kaspersky and Cisco that may work. At the same time GP Code and it’s many variants were infecting victims, other types of ransomware circulated that did not involve encryption, but simply locked out users.

June 2016 – CryptXXX becomes UltraCrypter and targets data stored on unmapped network shares along with local HDD volumes, removable drives, and mapped network repositories. CNN Money reports about new estimates from the FBI show that the costs from so-called ransomware have reached an all-time high. The growth of the Internet of Things (IoT) has multiplied the range of devices that could potentially be infected with ransomware. The AIDS Trojan was generation one” ransomware malware and relatively easy to overcome.

Lucrative Ransomware Attacks: Analysis of the CryptoWall Version 3 Threat ( Executive summary ): This is the first published report using combined threat research and intelligence from the Cyber Threat Alliance founding and contributing members, including Intel Security. No other incidents could get you the clear picture on the potential threat of Macro viruses apart from Dridex Malware and Locky Ransomware Both malware had made use of the malicious Macros to hijack systems.

If you cannot start your computer in Safe Mode with Networking (or with Command Prompt), boot your computer using a rescue disk Some variants of ransomware disable Safe Mode making its removal complicated. McAfee Labs Threats Report: September 2016 : This report includes the key topic, Crisis in the ER: ransomware infects hospitals”. The downloader uses a list of domains or C&C servers controlled by cyber criminals to download the ransomware program on the system. With the help of CrypBoss Source code, Wosar was successfully able to crack the encryption algorithm of the ransomware and quickly made the decryption tool for CrypBoss and its variants (Hydracrypt and Umbrecrypt). This executable is nothing but the Locky Ransomware that, when started, will begin to encrypt all the files on your computer as well as network.

RansomWhere detects ransomware infections after they have already encrypted some of your important files. A new Ransomware-as-a-service, dubbed Ransom32, has been spotted that for the first time uses a ransomware written in JavaScript to infect Mac, Windows as well as Linux machines. And one more essential prevention aspect – stay away from the potential sources of such viruses. But if you work in a hospital and you trigger a crypto-ransomware infection, it could actually endanger lives. As ransomware families and variants multiply, you need to understand that you need at least baseline protection to avoid data loss and other troubles. Please note that ransomware may even include a fake Manufacturer name to its process.

Although the police did not provide any further detail on the type of malware on the drives or whether the victims were served ransomware demands on running the malicious code on the drives, this is no surprise to us that some people plugged in the drives into their PCs. Whatever type of Ransomware you have been faced with, you need to know that these programs are among the most difficult to be dealt with and stopped.

Wardle successfully tested RansomWhere against KeRanger as well as Gopher ransomware proof-of-concept, which was developed by a pro-Apple Mac hacker, Pedro Vilaca, last year. Tesla Model X owner, 37-year-old attorney Joshua Neally, claimed the car’s Autopilot feature (self-driving mode) got him to the hospital during a medical emergency. Because small businesses are often unprepared to deal with advanced cyber attacks (which ransomware is) and have a lax BYOD (bring your own device) policy.

While the security firm did not specify the exact number of users possibly hit by the ransomware, Microsoft reported in its first quarter 2016 that there are almost 18.2 Million Office 365 subscribers. As the situation was grown out of wild, the hospital paid 40 Bitcoins (Roughly US $17,000) to the Ransomware Criminals to resume their medical operations after gaining the decryption keys. Ransomware represents a significant security challenge because it evolves constantly as cyber criminals refine their tools, techniques, and procedures.

Ransomware and any other advanced piece of financial or data stealing malware spreads by any available means. The sum collected in the first three months of 2016, putting ransomware on pace to rake in a billion dollars this year. One reason ransomware attacks are spreading is because fraudulent email containing links or attachments for the unsuspecting user to click on have become much more sophisticated.

The ransomware targets the victims by rebooting their Windows computers, encrypting the hard drive’s master boot file, and rendering the master boot record inoperable. In short, this new ransomware-as-a-service is so simple, and efficient at the same time, that anyone can download and distribute his/her own copy of the ransomware executable as long as he/she have a Bitcoin address. Install a good antivirus software or a reputable security suite to help you detect and fight off malicious threats, giving you an extra form of protection.

Joe Gleinser, the president of GCS Technologies, an Austin-based IT support and services company, walked me through just how time-consuming it is for companies to deal with ransomware attacks, which generally starts with the appearance of unusually named files” or files that suddenly can’t be accessed. The copy of Ransom32 was first analysed by Emsisoft, which found that the new ransomware family, which embedded in a self-extracting WinRAR archive, is using the platform for infiltrating the victims’ computers, and then holding their files by encrypting them with 128-bit AES encryption. I’ve seen too many cries for help and too many people confused and panicking about a ransomware attack. Because, if it’s just a file, then even if the container isn’t mounted, it can also be encrypted by the ransomware.

A proposal circulating in Congress would classify ransomware infections in healthcare settings as de-facto breaches. The defense should provide real-time protection to prevent or interfere with the activation of ransomware. The company’s survey of 1,100 IT professionals found that nearly 92 percent had clients that suffered ransomware attacks in the last year, including 40 percent whose clients had sustained at least six attacks. In the past, it was evident how smart TV got attacked with the ransomware also Internet of Things devices being remotely controlled by the attacker. A new variant of Ransomware and Cryptolocker threats surfaced that leverages the Windows PowerShell feature to encrypt files.

We have ransomware tailor-made for personal computers (too many types to count, but more on that in The most notorious ransomware families” section), mobile devices (with Android as the main victim and a staggering growth ) and servers. The past six months (between December 2015 and May 2016) have seen the rise of Tescrypt globally. We also know that we’re not powerless and there’s a handful of simple things we can do to avoid ransomware. It’s not just the rapid rise of ransomware that’s so alarming; its targeting is, too.

But the epic part here is even after the successful decryption of its previous Linux.Encoder ransomware versions, the group of ransomware creators, were still not able to write a perfect code for its third version. Ransomware is not new but its exponential growth curve has made it a pervasive threat to end users. Here are some important steps that should be considered to protect yourself from Ransomware threats.

The Cerber Ransomware not only encrypts user files and displays a ransom note, but also takes over the user’s audio system to read out its ransom note informing them that their files were encrypted. Another version pertaining to this type is the Master Boot Record (MBR) ransomware. But the actual cost was far greater due to the time expended on the problem as well as losses in revenue (the hospital had to turn away patients) and productivity during the five days the records were locked. Unfortunately, human error accounts for the majority of ransomware distributions.

You would be surprised to know about the latest version of Cerber ransomware that generates a different sample in every 15 seconds in order to bypass signature-based antivirus software. Ransomware attacks have hit epidemic proportions, especially in small-to-medium sized business with limited in-house IT support. Numerous tech publications have listed ransomware among the biggest digital threats facing businesses today. To find out, I conducted a test timing the speed of encryption of various ransomware samples.

Close collaboration between CrowdStrike’s detections, Falcon Overwatch and Falcon Intelligence teams provides you with continuous updates, including newly created Indicators of Attack (IOAs) and machine-learning algorithms that reflect and anticipate evolving ransomware techniques. In 2011, Trend Micro published a report on an SMS ransomware threat that asked users of infected systems to dial a premium SMS number. While ransomware has been around for many years, the more recent advancements in encryption technologies, coupled with the ease with which hackers can conceal their identities, has resulted in an increase in the number of them adopting this strategy. For the time being, most ransomware incursions are instead the result of opportunistic malware infections. And we’ll reimburse your company or organization up to $1000 per endpoint, or $1,000,000 in protection overall for the company.

In the unfortunate event that you have encountered a ransomware attack, do not fret. The best way to prevent a ransomware infection is to not rely on just one solution, but to use multiple, layered, solutions for the best possible protection. It may be difficult to imagine, but the first ransomware in history emerged in 1989 (that’s 27 years ago). A good file structure with proper permissions can corral a ransomware infection to a single system and maybe a single folder on a file server if the infection requires elevated priv’s.

Due to its new behavior, it was dubbed as CryptoLocker ”. Like previous ransomware types, crypto-ransomware demands payment from affected users, this time for a decrypt key to unlock the encrypted files. A large number of ransomware infections happen to people who have followed some or all of the above practices – in such cases a plan and process are necessary to enable recovery from the infection. Unlike other security products Comodo Endpoint Security and Comodo Internet Security effectively protect against zero-day exploits and ransomware through containment with auto-sandboxing. The main aim of the project is to share knowledge and educate users across the world on how to prevent ransomware attacks.

Introducing RansomWhere , a free generic ransomware detection tool for Mac OS X users that can identify ransomware-like behavior by continually monitoring the file-system for the creation of encrypted files by suspicious processes. But the cybercriminal group behind the CTB-Locker ransomware has tampered the genuinity of digital certificates. Make use of your antivirus software’s ransomware removal tool, which should scan for and wipe out any ransomware attempts found on your computer. AutoLocky is new ransomware created by cyber criminals using the AutoIt programming language. Ransomware has risen dramatically since last few years… so rapidly that it might have already hit someone you know.

Affiliate schemes in ransomware-as-a-service (earning a share of the profits by helping further spread ransomware). Ransomware can be downloaded onto systems when unwitting users visit malicious or compromised websites. Recently, the American public utility Lansing Board of Water & Light (BWL) has announced that the company has become a victim of Ransomware attack that knocked the utility’s internal computer systems offline. August 2014 – Symantec reports crypto-style ransomware has seen a 700 percent-plus increase year-over-year. All but one of the new ransomware variants discovered in 2016 were crypto-ransomware, compared to around 80 percent last year.

In order to apply the correct solution, the type of ransomware needs to be determined by uploading a single encrypted file to the Crypto Sheriff section of the website (Figure A). This link is to a YouTube video describing the process. It is not hard to imagine ransomware evolving to stealing credentials to other resources like common cloud services like Dropbox and holding those services as ransom, as well. These newly designed ESET algorithms strengthen protection against malware that has been designed to evade detection by anti-malware products through the use of obfuscation and/or encryption. Variants of Cerber Ransomware are now targeting MS Office 365 email users with a massive zero-day attack that has the ability to bypass Office 365’s built-in security tools. It’s time for security companies to back their technology and provide users with the financial assurance they deserve against ransomware attacks.

The first common distribution method is spamming the ransomware installer out to millions of email addresses, disguising it as a legitimate file such as an invoice. While conducting the background check, the security firm discovered that cyber criminals behind this advertising campaign made use of an expired website domain of Brentsmedia, an online marketing solution who discontinued their service earlier 2016. Several companies had got webbed in the Ransomware business including a US Police Department that paid US $750 to ransomware criminals three years back.

Trend Micro Deep Discovery Inspector detects and blocks ransomware on networks, while Trend Micro Deep Security stops ransomware from reaching enterprise servers—whether physical, virtual or in the cloud. The Ransomware infections have become so sophisticated with the time that victims end up paying ransom in order to get their critical and sensitive data back. ESET researchers managed to get the universal master decryption key from them and built a decryptor that you can use if you happen to be a victim of TeslaCrypt ransomware.

The report found that less than 1 in 4 ransomware incidents are reported to the authorities.” Factoring in the cost and average amount of time lost to infections—an overwhelming majority of small businesses hit by ransomware face at least two days of downtime —as well as the number of businesses affected by them, Datto suggests that the financial impact of this brand of cybercrime starts in the range of $75 billion each year.

If you are infected with ransomware you should always report it to the FBI’s Internet Crime Complaint Center (IC3) You will need to provide all relevant information including the e-mail with header information and Bitcoin address if available. As our encryption time trial numbers above show, ransomware doesn’t need anywhere close to that much of a head start to do its damage.

According to an August 27 report from Dell SecureWorks Counter Threat Unit (CTU): CTU researchers consider CryptoWall to be the largest and most destructive ransomware threat on the Internet as of this publication, and they expect this threat to continue growing.” More than 600,000 systems were infected between mid-March and August 24, with 5.25 billion files being encrypted.

There is no better way to recognize, remove and prevent ransomware than to use an antivirus & antiransomware tool, and the best anti-virus & anti-ransomware tool is Avast. We recently surveyed IT pros at small and medium-sized businesses who had been hit with ransomware and asked them how quickly they were notified of an attack. A computer that is discovered to have ransomware must immediately be isolated from the corporate network in the event the malware is programmed to spread. Since it’s a bit tricky to back up data without connecting to the system used for primary storage, I suspect that what they meant was that you shouldn’t have your secure backups routinely or permanently accessible from that system, since that entails the strong risk that the backups will also be encrypted by the ransomware. While we are all suffering from a ransomware problem that is getting worse, no one seems willing to actually deal with the problem.

According to ESET’s James, current ransomware will typically run an executable from the App Data or Local App Data folders, so it is best to restrict this ability either through user policy, Windows or by third-party prevention kits that are designed for this purpose. The frequent payment to Ransomware encourages the hackers in the dark to stash the cash and develop a more enticing framework for the next target. However, it is not uncommon for ransomware infections to delete Shadow Copies to prevent recovery of files.

Once ransomware infects a user’s system, it either encrypts critical files or locks a user out of their computer. Though victims who got infected by the third version of Linux.Encoder ransomware doesn’t have to pay any ransom to get your important files back, and they can simply unlock it using Bitdefender’s Linux.Encoder decryption tool to unlock their files. However, the most widespread type of ransomware is crypto-ransomware or encrypting ransomware, which I’ll focus on in this guide. Advanced security solutions, such as FireEye Network Security (NX Series), FireEye Email Security (EX Series), or FireEye Email Threat Prevention Cloud (ETP) stop ransomware from taking control by blocking exploit kits, malware downloads and callback communications to the command and control servers. September 2015 – An aggressive Android ransomware strain is spreading in America.

We deliver the top business tech news stories about the companies, the people, and the products revolutionizing the planet. According to the statistics most of the affected users have caught such a virus either from contagious spam letters and their attachments, or from clicking on a fake advertisement. The report said that the perfection of the ransomware business model has created a gold-rush mentality among attackers, as growing numbers seek to cash in. Infection numbers are trending upwards, with the number of new ransomware families discovered annually reaching an all-time high of 100 last year. According to a new report by Intel Security, the healthcare sector is experiencing over 20 data loss incidents per day related to ransomware attacks. Run a real-time anti-malware remediation tool and setup a strong firewall protection.

This anecdote has haunted me because it speaks volumes about what we can likely expect in the very near future from ransomware — malicious software that scrambles all files on an infected computer with strong encryption, and then requires payment from the victim to recover them. A Unified Security Architecture That Works: Ransomware Kung Fu (part of the Threat Intelligence Exchange and Advanced Threat Defense track).

With ransomware infections, victims’ computers are blocked, or personal data, for instance photos or documents, are encrypted. One way to render a ransomware attack ineffective is by storing a duplicate of your data. Detected as TROJ_RANSOM.QOWA , this variant repeatedly displayed a ransomware page to users until they paid the ransom by dialing a certain premium number. Ransomware usually gains access to computers or networks through social engineering.

Although the original CryptoLocker Trojan has been shut down, imitations of it are circulating while at the same time many other families of ransomware have since sprung up, the most prolific being CTB-Locker, CryptoWall, TorrentLocker and more recently, Locky and TeslaCrypt. Our clients range from medium to large organisations and governments looking for the highest security standards and a strong data protection technology. Between January 2015 and April 2016, the US followed by Canada and Australia were the countries most affected by ransomware. See the question How do I protect myself from ransomware” above for tips on preventing browser-based ransomware from running on your PC.

Ransomware viruses can gain entry in numerous ways, be it through web browser sessions, emails and their attachments, files on USB devices or any other device that might be used as part of a BYOD policy – all these are potential sources of infection and might not just come from users, but even the IT department themselves or visiting customers. There is a huge range of potential targets, from the pacemaker to cars to Internet of the Things, that may provide an opportunity for cybercriminals to launch ransomware attacks. There are business continuity solutions for ransomware (more on that below), but the survey results suggest that few businesses have any solution in place: 72% of business users lost access to data for at least two days, and 32% lost access for five days or more.ransomware hospital

One such ransomware dubbed Linux.Encoder targets Linux-powered websites and servers by encrypting MySQL, Apache, and home/root folders associated with the target site and asks for 1 Bitcoin ($453.99) to decrypt those crucial files. Yes, we are all vulnerable, but we can take responsible steps to make ransomware attacks as rare and ineffective as possible. Even Apple users aren’t immune: the first ransomware targeting Macs has recently been spotted. If you suspect ransomware or any other kind of security threat, please call IT Customer Care immediately.

Hospitals are a popular target, like Hollywood Presbyterian Medical Center in California, which famously got shut down for a week by a ransomware attack and paid $17,000 for the keys to decrypt its hard drives so it could start operating again. September 2015 – The criminal gangs that live off ransomware infections are targeting Small Medium Business (SMB) instead of consumers, a new Trend Micro Analysis shows. Ransomware campaigns like Samsam have shown an entire network can be compromised , with potentially catestrophic effects on an organization. To make matters worse, ransomware is also evolving from using inefficient, easily recoverable custom encryption schemes to fast and cryptographically-sound techniques. Luke Skibba, known on Twitter as @GigabitGeek, is one of the lucky few: his ransomware story has a happy ending.

There hundreds of types of ransomware out there, but cyber security researchers are working around the clock to break the encryption that at least some of them use. The Ransomware had stolen the nights of many network administrators, as they would be often blamed to fight up this nasty threat; instead of blaming staffs who click the illegit links in their e-mail. JIGSAW ( RANSOM_JIGSAW.I ) – The first JIGSAW variant seen in April 2016 mixed effective scare tactics with an innovative routine. There’s a new type of ransomware each week, it seems, and the number of ways that ransomware infiltrates systems continues to grow. Most of the police-themed ransomware seen so far targeted Western European countries, notably France, Germany, Finland and Italy.

Should ransomware successful penetrate your layered defenses, you can simply ‘turn back the clock’ to a snapshot of your business before the attack happened. Ransomware is evolving rapidly and is increasingly targeting companies over consumers. Because all ransomware is different, there isn’t one set of removal instructions that works for all strains. Attackers know that many organizations have critical gaps in their protection of remote offices, road warriors, mobile devices, and Internet-connected things.

Citadel makes it simple to produce ransomware and infect systems wholesale with pay-per-install programs allowing cybercriminals to pay a minimal fee to install their ransomware viruses on computers that are already infected by other malware. Cyber-criminals collected $209 million in the first three months of 2016 by extorting businesses and institutions to unlock computer servers. The best advice for prevention is to ensure company-confidential, sensitive, or important files are securely backed up in a remote, un-connected backup or storage facility. Although I can’t guess future ransomware names, there is one trend that cyber criminals seem to be pursuing: attacks that are more targeted, more carefully prepared and which require a smaller infrastructure to be deployed. The ransomware starts to encrypt the entire hard disk content, personal files and sensitive information.

April 2012 – Urausy Police Ransomware Trojans are some of the most recent entries in these attacks and are responsible for Police Ransomware scams that have spread throughout North and South America since April of 2012. Because it’s so profitable, there are new strains arriving all the time, and off-the-shelf ransomware kits are readily available for would-be cybercriminals — no hacking skills required. A data protection solution will automatically and invisibly take snapshots of your data and systems at regular intervals, and store that data in a secure location. There are new software tools intended specifically to deceive, divert and then stop ransomware before it can encrypt files.

Specifically, the FBI is asking victims to report the date of infection; the ransomware variant; how the infection occurred; the requested ransom amount; the actors Bitcoin wallet address; the ransom amount paid (if any); the overall losses associated with the ransomware infection; and a victim impact statement. Despite the constant stream of news about ransomware attacks, an effective layered defense strategy does exist. In 2015, the Angler exploit kit was one of the more popular exploit kits used to spread ransomware, and was notably used in a series of malvertisment attacks through popular media such as news websites and localized sites. Ransomware is an infamous piece of malware that has been known for locking up computer files and then demanding a ransom, usually in Bitcoins, in order to unlock them.

Using FireEye intelligence, expertise and technology, we go behind the headlines to examine new ransomware trends, from the development of new ransomware systems to mobile device-specific ransomware and ransomware as a service. The argument that Lieu doesn’t make, but easily could, would be that ransomware infections require a level of access that could easily encompass the theft or viewing of patient records, even if there’s little evidence to suggest it happened. Over the last few years, we have seen several types of Ransomware malware that demand a whopping amount of money from users for the retrieval of their locked, compromised sensitive files. With the explosion of new ransomware families, we are seeing malware execute within a matter of seconds, not hours or even minutes.

Law enforcement is responding to the growing cybercrime, and in the U.S. the FBI takes ransomware seriously The agency has published prevention guidelines for CEOs and for CISOs It also discourages victims from paying the ransom, noting that payment incentivizes repeat attacks. This file-encrypting ransomware emerged in early 2014 and its makers often tried to refer to it as CryptoLocker, in order to piggyback on its awareness. The latest version of Cerber ransomware is so sophisticated that it generates a different sample in every 15 seconds to bypass signature-based antivirus software. Ransomware attacks cause downtime, data loss, possible intellectual property theft, and in certain industries a ransomware attack is considered a data breach.

There is no silver bullet when it comes to stopping ransomware , but a multi-layered approach that prevents it from reaching networks and systems is the best way to minimize the risk. As cyber criminals moved from cyber vandalism to cyber crime as a business, ransomware emerged as the go-to malware to feed the money-making machine. Ransomware is vicious malware that locks users out of their devices or blocks access to files until a sum of money or ransom is paid.

Trend Micro published a report on a case in 2006 that involved a ransomware variant (detected as TROJ_CRYZIP.A) that zipped certain file types before overwriting the original files, leaving only the password-protected zip files in the user’s system. A new global survey finds that nearly half of United States organizations report ransomware attacks in the past year.

Though the ransomware type is still unknown, the utility is currently working with the Federal Bureau of Investigation (FBI) and local law enforcement authorities to investigate the incident. With hundred of thousands of ransomware samples emerging every day, it is quite difficult for traditional signature-based antivirus products to keep their signature database up-to-date. The European Police agency Europol has joined forces with police and cyber security companies to launch a worldwide initiative to combat and tackle together the exponential growth of Ransomware used by cyber criminals. In late 2013, a new type of ransomware emerged that encrypted files, aside from locking the system. Ransomware is created by scammers who are highly knowledgeable in computer programming.

Naturally, these emails were used in subsequent spam campaigns to further distribute the ransomware. Sure these solutions may wok for some things, but watch out for zero-day or currently undetected ransomware variant(s). This article was initially published by Aurelian Neagu in April 2015 and brought up to date by Andra Zaharia in July 2016. Employing a data protection solution provides the ultimate failsafe in a layered defense strategy against ransomware. Two white hat hackers recently showed off the first proof-of-concept (PoC) ransomware that infects a smart thermostat. If we’re unable to block or remediate the effects of a ransomware attack that’s on us!

CTB Locker is one of the latest ransomware variants of CryptoLocker, but at a totally different level of sophistication. Take the security preview and find out how well your company is protected against ransomware and other threats. It’s a good idea to know which type you have as there is no ‘one-size-fits-all’ method to get rid of ransomware. The Miami County Communication Center’s administrative computer network system was compromised with a CryptoWall 3.0 ransomware infection which locked down their 911 emergency center. Whitelisting offers the best protection against ransomware and other malware and virus attacks.

According to a report published by cloud security provider Avanan, the massive zero-day Cerber ransomware attack targeted Microsoft Office 365 users with spam or phishing emails carrying malicious file attachments. Here is a blog post that looks at the first 4 month of 2016 and describes an explosion of new strains of ransomware. Cryptoblocker – July 2014 Trend Micro reported a new ransomware that doesn’t encrypt files that are larger than 100MB and will skip anything in the C:\Windows, C:\Program Files and C:\Program Files (x86) folders. The Zscaler platform includes Intrusion Prevention Systems (IPS), antivirus, sandboxing, web filtering, IP reputation scoring, and SSL inspection. So sophisticated ransomware could shift all your files outside home directory and lock them up.

E) Open source ransomware is effectively the threat that somehow neither the security community didn’t realize the danger of or didn’t know about, but this was quite literally open source from the start and debugged within a community. As cybercriminals leverage more and more intelligent methods of attack, the need for data protection becomes ever-more crucial.

Check our frequently asked questions for more information about ransomware, including troubleshooting tips in case you’re infected, and how you can backup your files to help protect yourself from ransomware. Sometimes it’s necessary to accept that prevention isn’t always possible, but mitigating the threat certainly is. February 2016 – Ransomware criminals infect thousands with a weird WordPress hack.

There are many commercial products that will help you avoid ransomware and all malware infections, but understand that none of them are 100% effective. The hospital had confirmed that the Ransomware malware had hit its core heart a week before, potentially affecting the situation to grow much worse. Ransomware becomes meaningless if you can quickly restore your systems and data to a time before the infection. Ransomware brought extortion to a global scale, and it’s up to all of us, users, business-owners and decision-makers, to disrupt it. Though it first gained prominence in 2013, ransomware is going through a renaissance, quickly evolving into an epidemic of unprecedented size and scope. Update 18 April 2016 – A new copycat ransomware has been released that impersonates Locky.

This ransomware detection tool helps to block the suspicious processes and waits for the user to decide whether to allow or stop the process. Not only has ransomware encryption gotten faster, it’s also become nearly impossible to break. Ransom32 has some resemblance to CryptoLocker that is one of the nasty ransomware that already infected millions of PCs.

In its earlier years, ransomware typically encrypted particular file types such as DOC,XLS,JPG,ZIP,PDF, and other commonly used file extensions. Ransomware is a piece of malware that typically locks victim’s device using encryption and demands a fee to decrypt the important data. Advanced Memory Scanner looks for suspicious behavior after malware decloaks in the memory and Exploit Blocker strengthens protection against targeted attacks and previously unseen vulnerabilities, also known as zero-day vulnerabilities. The ransomware also gives a timeslot for the website administrators to recover the files.

This seems to be the very first time when any ransomware has actually defaced a website in an attempt to convince its administrator to comply with the ransom demand. We sometimes hear of instances where organizations pay ransomware even though they do have backups because it’s the cheaper option. Generally, the attacker has a list of file extensions or folder locations that the ransomware will target for encryption.

The company assured its 96,000 customers that no personal information related to its customers or employees has been compromised by the ransomware intrusion into the corporate computer network. These new software tools are specialized applications of deception technology recently available in Q3 of 2016 from several vendors. In recent months, a proliferation of ransomware attacks has affected everyone from personal-computer and smart-phone owners to hospitals and police departments An attack works like this: A virus arrives and encrypts a company’s data; then a message appears demanding a fee of hundreds or thousands of dollars. In addition you will also receive Zero Day alerts and other news from Third Tier. The infectious bar of Locky ransomware had also seen an exponential growth in a couple of hours. To be completely precise, there is not a place that we can condemn as a sure source of Ransomware.

Today there are dozens of ransomware strains, most of which are sold on underground forums as crimeware packages — with new families emerging regularly. Locky ransomware is being distributed via Microsoft 365 or Outlook in the form of an Invoice email attachment (Word File that embeds vicious macro functions). The ransomware is called LowLevel04 and encrypts data using RSA-2048 encryption, the ransom is double from what is the normal $500 and demands four Bitcoin. This ransomware detection tool, by default, scans Mac apps and binaries that are signed with an Apple Developer ID and not by official Apple certificates. McAfee Labs 2016 Threats Predictions : This report includes specific predictions about ransomware in 2016. If the new” ransomware is a strain of an existing ransomware, your suggestion has a good chance at detecting it.

It also locks the infected computer’s screen and projects a ransom” image, similar to previous police ransomware messages. Because of its easy integration, Angler remains a prevalent choice as a means to spread ransomware. However, new strains of ransomware are always being created many times a day, so eventually, the probability that one infection will succeed is high. The good news for the victims of AutoLocky is that Fabian Wosar from Emsisoft has created a free decrypter that will decrypt compromised files free of charge. The executable version in the Windows of the CTB Ransomware comes with a pre-signed digital signature. He’s appeared on news outlets including Al Jazeera America, NPR’s Marketplace Tech Report and The Oprah Show.

FireEye’s Monrad says that as most ransomware compromises are still more opportunistically driven than targeted, the delivery of the ransomware payload usually take advantage of some known vulnerability rather than using a zero-day. Traditional data protection solutions may offer a certain degree of assurance but there is still an inevitable amount of data loss and downtime that can have a significant cost to the business. Ransomware has been so lucrative for criminals because these two capabilities have never before been present in a single product. That means developing ways of responding to ransomware from the onset — through protections that prevent infection and automatically remediate.

Talk to an Intermedia representative about establishing business continuity protection against crypto-ransomware with SecuriSync by Intermedia. The number of users attacked with ransomware is soaring, with 718.000 users hit between April 2015 and March 2016: an increase of 5.5 times compared to the same period in 2014-2015. We finally got to the best part, where you can learn what to do to stay protected against appalling ransomware attacks.

Since this is not a serious issue like the Locky ransomware that utilizes Macros, the website administrator can make use of the untouched mirrors (backups) to bring back the site into action. Criminals often use phishing to trick users into submitting sensitive information such as passwords or credit cards; but these days, they’re also using it to spread ransomware. To determine if your computer is infected with AutoLocky ransomware, look at the ransom demand message – it differs from the original Locky ransomware. Lockscreen ransomware shows a full-screen message that prevents you from accessing your PC or files. Being a commercial proposition, rather than teens working out of basements aiming to cause headaches, ransomware is now an organized business designed and executed to maximize profit. In addition, if the ransom is paid, it proves to the cybercriminals that ransomware is effective.

More well-heeled attackers may instead or also choose to spread ransomware using exploit kits,” a separate crimeware-as-a-service product that is stitched into hacked or malicious Web sites and lying in wait for someone to visit with a browser that is not up to date with the latest security patches (either for the browser itself or for a myriad of browser plugins like Adobe Flash or Adobe Reader).

Most ransomware will make a false claim of online criminal activity or immoral acts detected by authorities. And because ransomware is able to encrypt files on mapped network drives, disconnect the mapping where possible if you are not using the drive. When they installed it, the software also installed a sleeper version of ransomware that activated weeks later. This type of ransomware has become known to display a warning from law enforcement agencies, which made people name it police trojan” or police virus This was a type of locker ransomware, not an encrypting one. July 2013 – A version of ransomware is released targeting OSX users that runs in Safari and demands a $300 fine. Encryption-based ransomware is getting sophisticated and may not be detected by anti-malware software in time.

After shutting down the computer of the affected user and taking her off the network, we determined she had been hit with the CryptoWall ransomware. Locky and Dridex ransomware malware also made use of the malicious Macros to hijack systems. After targeting hospitals, universities, and businesses, Ransomware has started popping up on Smart TV screens. This ransomware attempts to enumerate and access/encrypt any network shares it can discover and has r/w access to with the account it’s running as. Datto’s Total Data Protection Platform is currently protecting tens of thousands of business worldwide from ransom attacks, and other unforeseen situations that can adversely affect your business. We saw an enormous rise in Ransomware threats, both in numbers and sophistication.

Ransomware attacks are growing more frequent thanks in part to two technology trends: the increasing processing powers of computers (which are now so powerful that they can encrypt their own files in a matter of hours) and the rise of anonymous payment systems such as Bitcoin (which make it easy for criminals to accept payment without fear of being traced).

In order to effectively protect information and data it’s important to understand a little about what ransomware is, as well as what it does that makes it pose such a high level of risk to organizations everywhere. That’s one of the reasons ransomware has been so disruptive to businesses and so profitable for criminals: business continuity solutions have not previously existed. So while newcomers may want to get a share of the cash, there are some ransomware families that have established their domination. Most ransomware variants have used some version of the countdown clock, with victims most often being told they have 72 hours to pay the ransom or else kiss their files goodbye forever. Ransomware attacks originate largely in Russian or Eastern European outfits, but in recent years, they’ve come from all over the world.

CryptoWall Version 3 Sequel: CryptoWall Version 4 Threat : Members of the Cyber Threat Alliance continue our mission by tracking and analyzing CryptoWall Version 3’s successor, CryptoWall Version 4. Gain insight into the prevalence and global impact of the threat, including a comparative analysis of CryptoWall Version 3 and Version 4, and recommendations for prevention.

Another notable report involved a ransomware type that infects the Master Boot Record (MBR) of a vulnerable system, preventing the operating system from loading. This way ransomware won’t get the chance to start a connection with its C&C server and cannot complete the encryption process. The growing media coverage of the ransomware phenomenon has spilled outside of the IT press into the wider world: even the literary-minded The Atlantic Magazine ran a piece on ransomware recently.

Lawrence Abrams, owner of the tech-help site BleepingComputer , said his analysis of multiple ransomware kits and control channels that were compromised by security professionals indicate that these kits usually include default suggested ransom amounts that vary depending on the geographic location of the victim. Some ransomware are known to be delivered as attachments from spammed email, downloaded from malicious pages through malvertisements, or dropped by exploit kits onto vulnerable systems. Security systems that allow days or weeks between updates give cyber attackers that much more time to successfully target different systems in your organizations with the same ransomware. There definitely is a boogeyman out to get these guys.” With Bitcoin enabling easier and less traceable methods of cybercrime, ransomware attacks will almost certainly not be the boogeyman’s final evolution. To be effective, ransomware needs to avoid detection until encryption is complete.

At the endpoint level, Trend Micro Smart Protection Suites features behavior monitoring and application control, as well as vulnerability shielding to minimize the risk of getting infected by ransomware threats. To help you find a solution to recover your data without further funding ransomware creators, we put together a sizeable list of ransomware decryption tools which you can use. Many ransomware families we tested including the samples of Virlock, TeslaCrypt, and CTB-Locker also enumerate and encrypt network file shares. Outdated computer systems are relatively more vulnerable to ransomware attacks. In other words, contrary to popular belief, the actual ransom payment is far from the worst damage caused by ransomware.

In the event of a ransomware outbreak, this combination of features—which can only be found in a 2-in-1 file sharing and backup service—keeps infected users productive. For more on ransomware attacks, check out this Security Ledger podcast with Digital Guardian’s global security advocate Thomas Fischer, who talks about why ransomware is such a big problem for businesses these days.

An equally disturbing trend in ransomware is the incidence of new strains which include the ability to randomly delete an encrypted file from the victim’s machine at some predefined interval -and to continue doing so unless and until the ransom demand is paid or there are no more files to destroy. Operation Tovar aimed to take down the Gameover ZeuS botnet, which authorities also suspected of spreading financial malware and CryptoLocker ransomware. It attempts to impersonate the original Locky ransomware by assigning theLocky extension to encrypted files.

First spotted in February 2016 , this ransomware strain made its entrance with a bang by extorting a hospital in Hollywood for about $17,000. Ransomware is successful simply because the first indication that something is wrong occurs when a computer’s systems and/or data are already compromised. This protection spans known and unknown ransomware – and even prevents file-less” ransomware that is invisible to conventional malware-centric defenses. They can also minimize the overall impact of ransomware by tracing its attack path and methodology and sharing threat details to stop future attacks. Petya is a nasty piece of ransomware that emerged two weeks ago and worked very differently from any other ransomware.

This incident shows that there could be hundreds of other young newbies who are developing their own ransomware in order to earn money like other organised cyber criminal gangs. Like most forms of malware, ransomware infections may arrive through malicious web pages, infected thumb drives, or other common attack vectors. Once encrypted, the ransomware malware displays a message that instructs infected victims to download TOR and visit the attacker’s website for further instructions and payments. The infected performs a chain of routines that ends with the ransomware being loaded.

New types of ransomware…are being developed daily, and it’s nearly impossible for anti-virus companies to account for every different style as they emerge. Originally launched in May 2015, the FLocker ransomware initially targeted Android smartphones with its developers constantly updating the ransomware and adding support for new Android system changes. You may pay the ransom and get nothing in return, ransomware authors are after all thieves. Ransomware infections were initially limited to Russia, but its popularity and profitable business model soon found its way to other countries across Europe By March 2012, Trend Micro observed a continuous spread of ransomware infections across Europe and North America. Ransomware distributors, the criminals overseeing these attacks, have figured out a pricing strategy that works.

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