Ransomware Research
Pizhon Ransomware
Pizhon is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Pizhon
- First Seen
- October 1, 2020
How Pizhon Ransomware Works
Targeted Files
Unique random extensions for every file
File Encryption Patterns
Pizhon modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.pizhon-[a-f0-9]{16}$/Ransom Note and Payment Demands
After encrypting files, Pizhon 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 Pizhon ransomware:
dwintl_x64.exedwintl_x64.exe#
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About This Analysis
This Pizhon 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 Pizhon.
Last updated: July 30, 2025