Ransomware Research
Diavol Ransomware
Diavol is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2021, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: LockMainDIB.
Quick Facts
- Ransomware Family
- Diavol
- First Seen
- June 1, 2021
- Known Aliases
- LockMainDIB
How Diavol Ransomware Works
File Encryption Patterns
Diavol modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..lock64..PSFUXRansom Note and Payment Demands
After encrypting files, Diavol displays ransom notes demanding payment for file recovery:
readme.txtRansom message:
notes/readme.txt
Note locations:
EveryFolderREADME_FOR_DECRYPT.txtRansom message:
notes/README_FOR_DECRYPT.txt
Note locations:
EveryFolderWARNING.TXTTechnical Indicators
Associated Executable Files
The following executable files are associated with Diavol ransomware:
CryptoLocker64.dllLocker.dllCryptoLocker32.exeCryptoLocker.exe
Elastio Can Help You
Don't let Diavol ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This Diavol 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 Diavol.
Last updated: September 30, 2025
Recent Ransomware
Explore other threats in our database