Ransomware Research
HQ_52_42 Ransomware
HQ_52_42 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2021, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: HQ.
Quick Facts
- Ransomware Family
- HQ_52_42
- First Seen
- August 1, 2021
- Known Aliases
- HQ
How HQ_52_42 Ransomware Works
Targeted Files
doesn't encrypt system volume
File Encryption Patterns
HQ_52_42 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..HQ_52_42Ransom Note and Payment Demands
After encrypting files, HQ_52_42 displays ransom notes demanding payment for file recovery:
How to decrypt files.htmlRansom message:
notes/How to decrypt files.html
Note locations:
RootDiscsDesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with HQ_52_42 ransomware:
HQ_52_42.exe
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About This Analysis
This HQ_52_42 ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like HQ_52_42.
Last updated: July 30, 2025