Ransomware Research
HiddenBeer Ransomware
HiddenBeer is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- HiddenBeer
- First Seen
- October 1, 2018
How HiddenBeer Ransomware Works
File Encryption Patterns
HiddenBeer modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..beerRansom Note and Payment Demands
After encrypting files, HiddenBeer displays ransom notes demanding payment for file recovery:
/^@FILES-HELP-.+\.txt$/Ransom message:
notes/@FILES-HELP-DESKTOP-NVLERB1.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with HiddenBeer ransomware:
HiddenBeer.exe
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About This Analysis
This HiddenBeer 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 HiddenBeer.
Last updated: July 30, 2025