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