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