Ransomware Research
Yogynicof Ransomware
Yogynicof is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Yogynicof
- First Seen
- June 1, 2020
How Yogynicof Ransomware Works
Targeted Files
daaad240d80db46e70c99b8f667a2ce8634d88bacdfeb85ed866ee774df71320 -> NO extension for encrypted files 1d28929f9b02c36ab2c65f916eb2d3b4bd36957c1dee8144a70d51d99d1da9d8 -> removes extensions
Ransom Note and Payment Demands
After encrypting files, Yogynicof displays ransom notes demanding payment for file recovery:
/^Read me! 1?[0-9]{1} \.html$/Ransom message:
notes/Read me! 0 .html
Note locations:
Desktop/^Read-me! 1?[0-9]{1} \.html$/Ransom message:
notes/Read-me! 10 .html
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Yogynicof ransomware:
github.exeWnm.exe
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About This Analysis
This Yogynicof 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 Yogynicof.
Last updated: July 30, 2025