PyL33T Ransomware
PyL33T is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick facts
How PyL33T ransomware works
File encryption patterns
PyL33T modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, PyL33T displays ransom notes demanding payment for file recovery:
notes/note.txt
Technical indicators
Associated executable files
The following executable files are associated with PyL33T ransomware:
- Zipped File Archive
- Zipped.zip
- Ransomware.exe
- Runtime Broker
- BadRansomware.exe
- Runtime Broker.exe
About this analysis
This PyL33T 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 PyL33T.
Last updated: December 30, 2025
Elastio detects PyL33T inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify PyL33T 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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