Ransomware Research
PoisonFang Ransomware
PoisonFang is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- PoisonFang
- First Seen
- July 1, 2018
How PoisonFang Ransomware Works
File Encryption Patterns
PoisonFang modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..fangRansom Note and Payment Demands
After encrypting files, PoisonFang displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
LoginTechnical Indicators
Associated Executable Files
The following executable files are associated with PoisonFang ransomware:
PoisonfangDropper.exePoisonfang - A Cpoison.exesample.exedrop.exePoison.exe
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About This Analysis
This PoisonFang 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 PoisonFang.
Last updated: October 30, 2025
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