Ransomware Research
L00KUPRU Ransomware
L00KUPRU is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2024, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- L00KUPRU
- First Seen
- April 1, 2024
How L00KUPRU Ransomware Works
File Encryption Patterns
L00KUPRU modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..L00KUPRURansom Note and Payment Demands
After encrypting files, L00KUPRU displays ransom notes demanding payment for file recovery:
HOW TO DECRYPT FILES.txtRansom message:
notes/HOW TO DECRYPT FILES.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with L00KUPRU ransomware:
L00KUPRUm7qPgVC66321WYx.exe
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About This Analysis
This L00KUPRU 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 L00KUPRU.
Last updated: July 30, 2025