Ransomware Research
ZeroRansom Ransomware
ZeroRansom 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
- ZeroRansom
- First Seen
- July 1, 2017
How ZeroRansom Ransomware Works
Targeted Files
Test sample (connects to 127.0.0.1) Destroys content of the files
File Encryption Patterns
ZeroRansom modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..z3r0Ransom Note and Payment Demands
After encrypting files, ZeroRansom displays ransom notes demanding payment for file recovery:
EncryptNote_README.txtRansom message:
notes/EncryptNote_README.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with ZeroRansom ransomware:
ConsoleCS_NetF.exe
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About This Analysis
This ZeroRansom 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 ZeroRansom.
Last updated: July 30, 2025