Ransomware Research
HaroldSquarepants Ransomware
HaroldSquarepants is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2024, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- HaroldSquarepants
- First Seen
- October 1, 2024
How HaroldSquarepants Ransomware Works
File Encryption Patterns
HaroldSquarepants modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..247_haroldsquarepantsRansom Note and Payment Demands
After encrypting files, HaroldSquarepants displays ransom notes demanding payment for file recovery:
how_to_back_files.htmlRansom message:
notes/how_to_back_files.html
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with HaroldSquarepants ransomware:
247_haroldsquarepants.exe
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About This Analysis
This HaroldSquarepants 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 HaroldSquarepants.
Last updated: October 30, 2025
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