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
CyberVolk Ransomware: Analysis of Double Encryption Structure and Disguised Decryption Logic
The CyberVolk ransomware, which first emerged in May 2024, has been launching attacks on public institutions and key infrastructures of various countries, posing a continuous threat. The ransomware is particularly notable for its pro-Russia nature, as it primarily targets anti-Russian countries, making it a geopolitically significant cyber threat. This post
