pysa
Intelligence Profile
Mespinosa is a ransomware which encrypts file using an asymmetric encryption and adds .pysa as file extension. According to dissectingmalware the extension "pysa" is probably derived from the Zanzibari Coin with the same name.
Threat Analysis
pysa is a ransomware operation that deploys encryption-based extortion against organizations globally. This group maintains a data leak site (DLS) to pressure victims into paying ransom demands.
Financially motivated threat actors like pysa prioritize monetary gain through methods such as ransomware deployment, banking trojans, cryptocurrency theft, BEC scams, or credential harvesting for resale on underground markets.
Ransomware Victims (312)
CTIWATCH tracks 312 organizations claimed as victims by pysa on its data leak site, with attack dates, sectors and countries.
View full victims list →