Ransomware group profile · #205 by claimed victims

Crazyhunter ransomware

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.

Active First seen Mar 2025

10Victims claimed on leak sites

0Victims in the last 30 days

0Victims in the last 90 days

2Countries hit

0Leak-site URLs tracked

30 Mar 2025Latest claim recorded

Victimology

Who Crazyhunter claims to have breached, from 10 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Technology3

Healthcare3

Manufacturing2

Retail & E-Commerce1

Education1

Top countries

Taiwan9

United States1

Latest claimed victims 10 most recent

Victim	Sector	Country	Claimed
Zuni Data zunidata.com	Technology	TW	30 Mar 2025
Analog Integrations Corporation analog.com.tw	Technology	TW	30 Mar 2025
Netronix Inc netronixinc.com	Technology	TW	30 Mar 2025
Johnson Fitness johnsonfitness.com	Retail & E-Commerce	US	24 Mar 2025
KD Panels kdpanels.com	Manufacturing	TW	16 Mar 2025
Changhua Christian Hospital cch.org.tw	Healthcare	TW	9 Mar 2025
Huacheng Electric huachengsz.com	Manufacturing	TW	9 Mar 2025
Mackay Hospital mmh.org.tw	Healthcare	TW	9 Mar 2025
Asia University Hospital asia.edu.tw	Healthcare	TW	9 Mar 2025
Asia University asia.edu.tw	Education	TW	9 Mar 2025

All 10 Crazyhunter victims, searchable

Full victim list with claim posts, domains, timing and exports, plus the negotiation chats and leak-site screenshots VULONE archives for this crew.

Start free Sign in

Tactics, techniques and procedures

ATT&CK technique mapping for Crazyhunter is in progress. Victimology, infrastructure status and leak-site tracking are live above.

Indicators, detections and the full playbook

Hashes, C2 addresses, onion services, Sigma and YARA detections per technique, and the negotiation transcripts are available to signed-in analysts.

See full IOCs

Frequently asked

Is Crazyhunter ransomware still active?

Crazyhunter is tracked as active. The most recent leak-site claim VULONE recorded is dated 30 March 2025.

How many victims has Crazyhunter claimed?

VULONE has recorded 10 leak-site victim claims attributed to Crazyhunter since March 2025, across 2 countries and 5 sectors.

Which industries does Crazyhunter target?

The sectors most often named on the Crazyhunter leak site are Technology, Healthcare, Manufacturing.

Which countries are most affected by Crazyhunter?

Most Crazyhunter victims recorded by VULONE are located in Taiwan, United States.

Where does VULONE get Crazyhunter victim data?

Claims are collected continuously from the group's own leak sites and cross-checked with ransomware.live and RansomLook. A claim is the group's assertion, not a confirmed breach.

Other ransomware groups

Victim claims are collected from leak sites and enrichment partners (ransomware.live, RansomLook) and represent the group's own assertions, not confirmed breaches. Profile last updated 16 September 2026. Questions or corrections: [email protected].