Analysis of Encryption Structure of Yurei Ransomware Go-based Builder

Analysis of Encryption Structure of Yurei Ransomware Go-based Builder

The Yurei ransomware group is a new group that was first publicly identified in early September 2025. This group adopts a typical ransomware operation model that infiltrates corporate networks, encrypts data, deletes backups, and then demands a ransom for the stolen information. While there is no clear evidence of their