Ransomware Research
Tzw Ransomware
Tzw is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Tzw
- First Seen
- January 1, 2023
How Tzw Ransomware Works
File Encryption Patterns
Tzw modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..tzwRansom Note and Payment Demands
After encrypting files, Tzw displays ransom notes demanding payment for file recovery:
readme.txtRansom message:
notes/readme.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Tzw ransomware:
70.exe
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About This Analysis
This Tzw 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 Tzw.
Last updated: July 30, 2025