MALWARE FAMILY
HappyLocker (HiddenTear?)
Internal ID: win.happy_locker
1
aliases
Last seen:Mar 17, 2026
Intelligence Profile
Malware family identifying win.happy_locker. Origin and technical characteristics tracked via Malpedia.
Threat Analysis
HappyLocker (HiddenTear?) is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.
Quick Facts
TypeMalware Family
Aliases1
Also Known As
win.happy_locker
Research Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.