Ransomware Group
Crazyhunter
CrazyHunter is a Go-based ransomware group that emerged in early 2025, derived from the open-source Prince encryptor, exclusively targeting Taiwanese organizations in healthcare, education, and industrial sectors using BYOVD techniques and tools like SharpGPOAbuse for lateral movement.
Known victims10
Threat level
LOW
Get an alert if one of your domains is named on a ransomware leak site.
Monitor your domainsFree account · up to 5 monitored targets
Tactics, Techniques & Procedures (TTPs)
DefenseEvasion
- Zemana Anti-Rootkit driver
- av-1m.exe (AV bypass)
- go.exe / go2.exe (BYOVD loader)
Offsec
- Donut
- Prince Ransomware
- SharpGPOAbuse
- bb.exe (shellcode loader)
Known infrastructure
The following Tor hidden services have been associated with this group:
7i6sfmfvmqfaabjksckwrttu3nsbopl3xev2vbxbkghsivs5lqp4yeqd.onion
These sites are malicious. Open them only from an isolated environment.
Check if you’re affected
Look up your domain to see whether it appears on Crazyhunter’s victim list.
Try it nowFree⌘K
Try
risk score · threat categories · sources · age · confidence — in one request