APT / THREAT GROUP
HappyLocker (HiddenTear?)
2
aliases
Last seen:Mar 17, 2026
Intelligence Profile
Malware family tracked by Malpedia. ID: win.happy_locker
Threat Analysis
HappyLocker (HiddenTear?) is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.
Quick Facts
TypeAPT / Threat Group
Aliases2
Also Known As
HappyLocker (HiddenTear?)win.happy_locker
External Intelligence
Malpedia: win.happy_lockerResearch Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.