L3MON Ransomware
L3MON is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2024, this ransomware has been actively targeting systems worldwide.
Quick facts
How L3MON ransomware works
File encryption patterns
L3MON modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, L3MON displays ransom notes demanding payment for file recovery:
notes/DecryptFiles.txt
notes/nlee4tce3.jpg
Technical indicators
Associated executable files
The following executable files are associated with L3MON ransomware:
- AnyDesk.exe
About this analysis
This L3MON ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like L3MON.
Last updated: December 30, 2025
Elastio detects L3MON inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify L3MON across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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