Ransomware Research
BWall Ransomware
BWall is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2019, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- BWall
- First Seen
- July 1, 2019
How BWall Ransomware Works
File Encryption Patterns
BWall modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..bwall..bwRansom Note and Payment Demands
After encrypting files, BWall displays ransom notes demanding payment for file recovery:
/^README-BW-\w{4}\.txt$/Ransom message:
notes/README-BW-Ev3m.txt
Note locations:
EveryFolderElastio Can Help You
Don't let BWall ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This BWall 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 BWall.
Last updated: July 30, 2025