Ransomware Research
Pashka Ransomware
Pashka is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Quimera Crypter.
Quick Facts
- Ransomware Family
- Pashka
- First Seen
- January 1, 2020
- Known Aliases
- Quimera Crypter
How Pashka Ransomware Works
File Encryption Patterns
Pashka modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..pashkaRansom Note and Payment Demands
After encrypting files, Pashka displays ransom notes demanding payment for file recovery:
HELP_ME_RECOVER_MY_FILES.txtRansom message:
notes/HELP_ME_RECOVER_MY_FILES.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Pashka ransomware:
PASHKA.EXE
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About This Analysis
This Pashka 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 Pashka.
Last updated: July 30, 2025