Ransomware Research
MrWhite Ransomware
MrWhite is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- MrWhite
- First Seen
- January 1, 2023
How MrWhite Ransomware Works
Targeted Files
Full extension -> .[MJ-RM0729638541](imsystemsavior@gmail.com).MrWhite
File Encryption Patterns
MrWhite modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..MrWhiteRansom Note and Payment Demands
After encrypting files, MrWhite displays ransom notes demanding payment for file recovery:
Dectryption-guide.txtRansom message:
notes/Dectryption-guide.txt
Note locations:
EveryFolderElastio Can Help You
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About This Analysis
This MrWhite 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 MrWhite.
Last updated: July 30, 2025