Ransomware is restless, and so are the malicious actors behind it who are currently infecting millions of users. At the end of 2015, we are seeing new versions of encrypting families that have been active in the past. XRTN ransomware…
TeslaCrypt, also known as AlphaCrypt, Cryptesla, and Tescrypt is one of the most prevalent crypto viruses (or ransomware) at the moment, the other one being CryptoWall. Recently, we witnessed a freshly updated version of TeslaCrypt. This version was encrypting the…
Another variant of the Shade Trojan ransomware has appeared lately and bears the name Files1147@gmail(.)com. That is the email provided by cybercriminals, for where the ransom money to be sent. The ransomware encrypts files with a .breaking_bad file extension. In…
A new ransomware, or more likely, a new version of a well-known ransomware, is currently using an encryption algorithm even stronger than RSA-2048. The ransomware piece claims to have employed RSA-4096. Unfortunately, one of our own users has contacted us…
Recently, it has been reported that a Trojan that is also ransomware called Cryptesla 2.2.0 downloads itself through an Adobe Flash vulnerability. It is better known as TeslaCrypt and encrypts files in a .vvv file format. In its latest installment…
A new ransomware reported with the domain weekendwarrior55(.)com redirecting to mail.ru has been reported to encrypt user files with random extensions. Users have increasingly begun complaining that the malicious program has corrupted their data. However, unlike other ransomware, this particular…
If you haven’t heard – we’re in the midst of a ransomware tsunami. However, disasters often come in pairs. The vicious ransomware attacks are triggered by a strong current of fake tech-support scams. The double threat is currently sweeping away…
A new variant of the nefarious TeslaCrypt ransomware is circling the Web. This time, the malicious threat is encrypting files in a .vvv file format. Once it affects your system, it will create thousands of files inside multiple folders, along…
There is a copycat of the CryptoWall 3.0 Ransomware that is infecting computers. It is also known as PhonyWall. It searches for files with many different extensions, overwrites them with its own files and then displays the decryption note of…
A new version of CryptoWall arrived in the beginning of November. Some researchers immediately dubbed it CryptoWall 4.0, while others were more precautious and referred to it as to a ‘point release’. A couple of weeks later, all doubts evaporated.…
Cryptolocker.AB is a Ransomware Trojan horse of the Cryptolocker family. It searches for files with many different extensions, encrypts them with a “.crinf” extension, then asks for a huge ransom for decryption. It can delete Shadow Volume Copies, disable Windows…
Encryptor RaaS is a devastating trojan horse that causes quite the headaches. Symantec researchers have reported a new wave of encryptor RaaS hitting users on a global scale. This particular ransomware is detected to slip into the user system, modify…
Several ransomware variants have been known to decrypt more and more user files lately. The ransomware itself and is also known as DecryptorMax or CryptInfinite. This devastating cyber-threat to user PCs has proven that it can be quite effective by…
Our 3-part article series ends with a detailed description and analysis of TorrentLocker. Jump to the first part dedicated to CryptoWall, and the second part about CTB-Locker. TorrentLocker Ransomware Resume TorrentLocker is one of the biggest and most dangerous ransomware…
Power Worm is a Ransomware written in Windows PowerShell. It uses PowerShell for its payload. It encrypts a user’s files on a compromised computer and demands a ransom for decrypting them. Unfortunately, a newer variant of the Ransomware has a…
Traditionally, cryptography and its applications are defensive in nature, and provide privacy, authentication, and security to users (…) It can be used to mount extortion based attacks that cause loss of access to information, loss of confidentiality, and information leakage,…
Our 3-part article series continues with a detailed description and analysis of CTB-Locker. Jump to the first part dedicated to CryptoWall – the biggest ransomware family of 2015. CTB-Locker/ Critroni Ransomware Background Check Security researchers have observed thousands of cases…
If your files have been compromised and you have received a threatening message, similar to the one below in the form of a wallpaper, page on your web browser or a .txt file, there is a good chance you have…
Cryptowall 4.0 or a CryptoWall point release, it has definitely caught both victims and researchers by surprise. While security researchers are analyzing malware data compiled throughout 2015, the hacking team behind CryptoWall has released its latest version. The news of…
Unfortunately, the most devastating ransomware virus has already released a new version and has outrun our predictions for 2016. A prevalent number of researchers have labeled this latest variant CryptoWall 4.0, even though it’s still unclear whether it’s CryptoWall 4.0…
