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Hidden Tear is the first open-source ransomware trojan that targets computers running Microsoft Windows [1] The original sample was posted in August 2015 to GitHub. [2]When Hidden Tear is activated, it encrypts certain types of files using a symmetric AES algorithm, then sends the symmetric key to the malware's control servers. [3]
Jigsaw was designed in April 2016 and released a week after creation. [1] It was designed to be spread through malicious attachments in spam emails. [3] Jigsaw is activated if a user downloads the malware program which will encrypt all user files and master boot record. [4]
vx-underground, also known as VXUG, is an educational website about malware and cybersecurity. [1] [2] It claims to have the largest online repository of malware. [3]The site was launched in May, 2019 and has grown to host over 35 million pieces of malware samples.
Initially, only the .locky file extension was used for these encrypted files. Subsequently, other file extensions have been used, including .zepto, .odin, .aesir, .thor, and .zzzzz. After encryption, a message (displayed on the user's desktop) instructs them to download the Tor browser and visit a specific criminal-operated Web site for further ...
The malware then creates a file, called "readme_to_decrypt.txt", in every folder. When the instructions are opened, it gives the victim directions on how to decrypt the files, usually demanding a payment of one bitcoin. The ransomware is considered to be a variant of the Linux ransomware Linux.Encoder.1. [2] Warning issued to Transmission users.
Ransomware is a type of malware that encrypts the victim's personal data until a ransom is paid. [1] [2] [3] [4] [5] They commonly use difficult-to-trace digital ...