Most threat actors demand to be paid in cryptocurrency. The goal is to force victims to pay a ransom. Ransomware is a type of malicious software that blocks access to data by encrypting it. This can be prevented by removing ransomware. Ransomware can encrypt files stored on a computer after the attack and infect computers connected to the same local network. Paying the attackers for data decryption is not recommended - they may not send a decryption tool even after the payment. Victims are forced to pay a ransom unless they have a working third-party decryption tool or a data backup. In most cases, access to encrypted files cannot be restored without tools purchased from the attackers. It says that victims can purchase decryption tools (software and key) cheaper if they contact the attackers within 72 hours. It contains two email addresses and and two prices ($980 and $490). We investigated the ransom note and learned that it provides contact and partial payment information. Screenshot of files encrypted by Tuis ransomware: It is important to mention that before encrypting files, threat actors behind Djvu ransomware attacks often use information stealers (like Vidar and RedLine) to gain sensitive information. We discovered this ransomware while checking the VirusTotal website for recently submitted malware samples.Īn example of how Tuis renames files: it changes " 1.jpg" to " 1.jpg.tuis", " 2.png" to " 2.png.tuis", " 3.exe" to " 3.exe.tuis", and so forth. tuis" extension to filenames and creates a ransom note (the " _readme.txt" file). Tuis not only encrypt files but also appends the ". Tuis is one of the ransomware variants belonging to the Djvu family.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |