CrazyHunter is a Go-based ransomware group exclusively targeting Taiwanese organizations.
Analyst brief
CrazyHunter is a Go-based ransomware group that emerged in early 2025, exclusively targeting Taiwanese organizations in healthcare, education, and industrial sectors. It leverages BYOVD techniques and uses tools like SharpGPOAbuse for lateral movement within compromised networks. Defenders should focus on updating signature bases, implementing policies to restrict BYOVD capabilities, and enhancing monitoring against GPO abuse.
crazyhunter
crime
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.