jsworm

JSWorm is a ransomware family that first appeared in May 2019 and is notable for undergoing multiple rebrands and evolutions, later appearing under names such as Nemty, Nefilim, Offwhite, Fusion, and Milihpen. Initially, it was distributed via malicious spam emails containing JavaScript files, hence the “JS” in its name. Later versions moved to targeted intrusions, leveraging compromised RDP services and vulnerable network appliances for initial access. JSWorm encrypts files using AES-256 en