![]() ![]() In all cases, cybercriminals aim to trick users into downloading and executing ransomware by themselves. Ransomware is distributed in various ways. Typically, having a data backup is the only free data recovery option in case of a ransomware attack. It is recommended to have all important files backed up on a remote server or unplugged storage device. Examples of different ransomware are Watch, brutusptCrypt, and PLAY. ![]() In most cases, ransomware not only encrypts files but also provides a ransom note and modifies filenames. The purpose of ransomware is to prevent victims from accessing files by encrypting them. Further damage can be avoided by eliminating ransomware. ![]() While present on a computer, ransomware can encrypt more files on the infected device and (or) infect other computers connected to a local network. There are no guarantees that the attackers will send a decryption tool. Typically, it is impossible to restore files without paying a ransom unless a working third-party decryption tool can be downloaded from the Internet or victims have a data backup. The ransom note also contains an email address for contacting threat actors. The decryption tool can be purchased by transferring 50€ in Bitcoins to the provided wallet. The ransom note says that victims cannot decrypt files without the interference of the attackers - they must purchase a decryption tool to recover files. Screenshot of files encrypted by this ransomware: encrypted" extension to filenames, creates the " readme.txt" file containing a ransom note, and changes the desktop wallpaper.Īn example of how Ransomcrow ransomware modifies filenames: it renames " 1.jpg" to " 1.jpg.encrypted", " 2.png" to " 2.png.encrypted", and so forth. Like any other ransomware, Ransomcrow encrypts files and demands payment in exchange for a decryption tool. While analyzing malware samples submitted to VirusTotal, we came across Ransomcrow ransomware. ![]()
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June 2023
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