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

Targeted Files

Ransom notes in the Roaming\How_Decrypt_My_Files

File Encryption Patterns

PolyglotCryptor modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..crypted..impect

Ransom Note and Payment Demands

After encrypting files, PolyglotCryptor displays ransom notes demanding payment for file recovery:

fileread_me.txt

Ransom message:

notes/read_me.txt

Note locations:

Roaming
fileindex.html

Ransom message:

notes/index.html

Note locations:

Roaming

Technical Indicators

Associated Executable Files

The following executable files are associated with PolyglotCryptor ransomware:

  • Dxh26wam.exe
  • dxh26wam.bin
  • Ransomware.exe
  • dxh26wam.exe
  • 399tbz21.exe
  • B.exe
  • cl.exe
  • cl.exe.old
  • ui.exe
  • ui.bin
  • ui.exe.old

Elastio Can Help You

Don't let PolyglotCryptor ransomware take over your data

Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.

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: July 30, 2025

PolyglotCryptor Ransomware - Detectable by Elastio