Bart Ransomware
Bart is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick facts
How Bart ransomware works
File encryption patterns
Bart modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Bart displays ransom notes demanding payment for file recovery:
notes/recover.txt
notes/recover.bmp
Technical indicators
Associated executable files
The following executable files are associated with Bart ransomware:
- 10_bart_51ff4a033018d9343049.exe_
- 1.exe
Recovery and decryption tools
Decryption tools may be available for Bart. Review the resources below:
About this analysis
This Bart 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 Bart.
Last updated: December 30, 2025
Elastio detects Bart inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Bart 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.
Recent ransomware
Explore other threats in our database