Ransomware Research
PolyglotCryptor Ransomware
PolyglotCryptor is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: PyCL, Dxh26wam, Fatboy, Fatboy RaaS.
Quick Facts
- Ransomware Family
- PolyglotCryptor
- First Seen
- March 1, 2017
- Known Aliases
- PyCLDxh26wamFatboyFatboy RaaS
How PolyglotCryptor Ransomware Works
File Encryption Patterns
PolyglotCryptor modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..crypted..impectRansom Note and Payment Demands
After encrypting files, PolyglotCryptor displays ransom notes demanding payment for file recovery:
read_me.txtRansom message:
notes/read_me.txt
Note locations:
Roamingindex.htmlRansom message:
notes/index.html
Note locations:
RoamingTechnical Indicators
Associated Executable Files
The following executable files are associated with PolyglotCryptor ransomware:
Dxh26wam.exedxh26wam.binRansomware.exedxh26wam.exe399tbz21.exeB.execl.execl.exe.oldui.exeui.binui.exe.old
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About This Analysis
This PolyglotCryptor 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 PolyglotCryptor.
Last updated: October 30, 2025
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