Ransomware Research
Wintenzz Ransomware
Wintenzz is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2021, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Wintenzz
- First Seen
- April 1, 2021
How Wintenzz Ransomware Works
File Encryption Patterns
Wintenzz modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..wintenzzRansom Note and Payment Demands
After encrypting files, Wintenzz displays ransom notes demanding payment for file recovery:
BUY_WINTENNZ.txtRansom message:
notes/BUY_WINTENNZ.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Wintenzz ransomware:
Wintenzz Ransomware.exewinstrt10.exeNetSpy_v1.2.8.exe
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About This Analysis
This Wintenzz 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 Wintenzz.
Last updated: July 30, 2025