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