L33TAF Ransomware
L33TAF is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick facts
How L33TAF ransomware works
File encryption patterns
L33TAF modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, L33TAF displays ransom notes demanding payment for file recovery:
notes/YOU_HAVE_BEEN_HACKED.txt
About this analysis
This L33TAF 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 L33TAF.
Last updated: December 30, 2025
Elastio detects L33TAF inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify L33TAF 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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