Netskope Threat Labs

CrazyHunter

ATP Sandbox Adv. HeuristicsAV

CrazyHunter is an open-source based ransomware that has targeted critical sectors in Taiwan, with researchers documenting its stealth tactics and continued development across versions.

First seen
March 2025
Last seen
October 2026
Crazyhunter
Alert Name
Script-BAT.Trojan.CrazyHunter
Script-PowerShell.Trojan.Crazyhunter
Trojan.Ransom.CrazyHunter.A
Trojan.Ransom.CrazyHunter.C
Win64.Ransomware.CrazyHunter