TeslaCrypt made waves earlier this year by ransoming unique targets such as avid gamers saved files for their favorite titles. The original TeslaCrypt series generated more than $76,000 in bitcoins for its makers between February and April 2015. The malware’s market share dried up when Cisco released a decryption tool based on hidden code in the malware itself, allowing users to bypass demands for bitcoins. Version 2.0.0 comes with an updated encryption method using the AES-256-CBC algorithm with session_priv as the key.”]
Source: https://securityintelligence.com/news/teslacrypt-levels-up-encryption-with-version-2-0-0/