Ransomware Research
HWID Ransomware
HWID is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2025, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- HWID
- First Seen
- June 1, 2025
How HWID Ransomware Works
File Encryption Patterns
HWID modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.\w{9}$/Ransom Note and Payment Demands
After encrypting files, HWID displays ransom notes demanding payment for file recovery:
/^\w{9}\.README\.txt$/Ransom message:
notes/CXJlfoAH0.README.txt
Note locations:
EveryFolderRansom message:
notes/9JPnkb3qY.jpg
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with HWID ransomware:
svchost.exe
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About This Analysis
This HWID 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 HWID.
Last updated: December 30, 2025
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