Ransomware Research
Havoc Ransomware
Havoc is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Havoc
- First Seen
- June 1, 2023
How Havoc Ransomware Works
Targeted Files
Full extension -> .EMAIL=[aesdecrypt@gmail.com ]ID=[6D150A0B7E53F99E].havoc
File Encryption Patterns
Havoc modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..havocRansom Note and Payment Demands
After encrypting files, Havoc displays ransom notes demanding payment for file recovery:
FILE ENCRYPTED.txtRansom message:
notes/FILE ENCRYPTED.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Havoc ransomware:
Crypter.exe
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About This Analysis
This Havoc 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 Havoc.
Last updated: July 30, 2025