astralocker

AstraLocker first appeared in 2021, likely as a fork of Babuk ransomware using leaked source code. It follows a single-extortion, smash-and-grab approach: distributed directly via phishing Microsoft Word documents containing embedded OLE objects. Once executed, it kills security and backup processes, deletes shadow copies, and encrypts files using modified HC-128 and Curve25519 algorithms, appending extensions like .Astra or .babyk. A “smash-and-grab” style attack, it’s less methodical tha