Ransomware Research
Zuahahhah Ransomware
Zuahahhah is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Zuahahhah
- First Seen
- July 1, 2017
How Zuahahhah Ransomware Works
Targeted Files
Encrypts small set of files in the UserFolders
File Encryption Patterns
Zuahahhah modifies encrypted files using specific patterns to mark them as encrypted:
Prefixes added to encrypted files:
Lock.Ransom Note and Payment Demands
After encrypting files, Zuahahhah displays ransom notes demanding payment for file recovery:
Ransom message:
notes/wl.jpg
Note locations:
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About This Analysis
This Zuahahhah 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 Zuahahhah.
Last updated: July 30, 2025