Ymir Ransomware Targets Networks Infected by RustyStealer Malware

A newly discovered ransomware variant, Ymir, is infiltrating networks previously compromised by the RustyStealer infostealer malware, indicating an organized shift towards cybercrime partnerships. First observed in July 2024 and targeting companies worldwide, Ymir is identified for its memory-based execution and innovative approach to encryption.

RustyStealer Sets the Stage for Ymir Ransomware

RustyStealer, documented initially in 2021, is a credential-stealing malware enabling unauthorized access by harvesting login data. In recent cases

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Source: bleepingcomputer.com