Ransomware Research
Meow Ransomware
Meow is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2022, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: MeowCorp2022, Anti-Russian Extortion Group, Different ContiStolen-based.
Quick Facts
- Ransomware Family
- Meow
- First Seen
- September 1, 2022
- Known Aliases
- MeowCorp2022Anti-Russian Extortion GroupDifferent ContiStolen-based
How Meow Ransomware Works
File Encryption Patterns
Meow modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..MEOW..PUTIN..KREMLIN..RUSSIA..RCHAT..LOCK2023..FUETERansom Note and Payment Demands
After encrypting files, Meow displays ransom notes demanding payment for file recovery:
readme.txtRansom message:
notes/readme.txt
Note locations:
EveryFolderREADME.txtTechnical Indicators
Associated Executable Files
The following executable files are associated with Meow ransomware:
222e2b91f5bece.exeConti_R.vexe$R8QOJX7.1execryptor.exe
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About This Analysis
This Meow 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 Meow.
Last updated: July 30, 2025