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

Ransom & Dark Web  Issues Week 2, September 2025

Ransom & Dark Web Issues Week 2, September 2025

ASEC Blog publishes Ransom & Dark Web Issues Week 2, September 2025             Financial Institution Data from Poland and Central Europe Listed for Sale on DarkForums Gunra Ransomware Targets Korean Manufacturer Emergence of Four New Ransomware Groups: Obscura, Yurei, The Gentlemen, Radar