Ransomware Research
B2DR Ransomware
B2DR is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- B2DR
- First Seen
- March 1, 2018
How B2DR Ransomware Works
Targeted Files
NOSAMPLE Full extension -> .bronmerkberpa1976@protonmail.com.b2dr
File Encryption Patterns
B2DR modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.[a-z0-9]{4}$/Ransom Note and Payment Demands
After encrypting files, B2DR displays ransom notes demanding payment for file recovery:
readme.txtRansom message:
notes/readme.txt
Readme.txtRansom message:
notes/Readme.txt
ScrewYou.txtRansom message:
notes/ScrewYou.txt
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About This Analysis
This B2DR 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 B2DR.
Last updated: July 30, 2025