9/4/2023 0 Comments Recuva ccleaner![]() Ransomware is distributed through various methods, such as Trojans, malicious email attachments or links, fake software updates or installers, P2P networks, third-party downloaders, freeware download sites, and websites that host pirated software. Some examples of different ransomware variants are Nochi, Youhau, and BACKJOHN. ![]() In most cases, it is impossible to decrypt files without tools obtained from the cybercriminals responsible for the attack, who often demand payment in cryptocurrency. Ransomware typically encrypts files, adds an extension to their filenames, and displays or creates ransom notes. Additionally, it is important to remove the ransomware from the infected devices to avoid further data loss. Paying a ransom does not necessarily ensure that the attackers will uphold their end of the deal and is thus not recommended. Typically, decryption of files is only possible with tools possessed by the cybercriminals who launched the ransomware attack. In the event of a ransomware attack, victims are often left with no choice but to pay the attackers for the decryption of their data unless they possess a copy of their files or can find a third-party decryption tool. It says that the encryption method used is RSA, and the encryption and decryption keys are different. ![]() The note promises that after the email is sent, the requirements for the decryption process will be provided, along with the password itself and a sample virus into which the password must be entered. The ransom note says that all of the victim's files have been encrypted, and an email must be sent to with the text "Расшифровки Имя паразора: n40vU5uS" and to regain access to files. Thus, victims who do not have this language installed on their computers see gibberish text. ![]() Screenshot of files encrypted by this ransomware: DrWeb" extension to filenames, displays an error pop-up window and creates the " КАК РАСШИФРОВАТЬ ФАЙЛЫ.txt" file (a ransom note).Īn example of how DrWeb modifies filenames: it changes " 1.jpg" to " 1.jpg.DrWeb", " 2.png" to " 2.png.DrWeb", and so forth. Our malware researchers discovered DrWeb during an analysis of malware samples submitted to the VirusTotal website. DrWeb is ransomware belonging to the Xorist family. ![]()
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