Ransomware Research
Mcburglar Ransomware
Mcburglar is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2021, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: MCB.
Quick Facts
- Ransomware Family
- Mcburglar
- First Seen
- June 1, 2021
- Known Aliases
- MCB
How Mcburglar Ransomware Works
File Encryption Patterns
Mcburglar modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..mcburglarRansom Note and Payment Demands
After encrypting files, Mcburglar displays ransom notes demanding payment for file recovery:
README-MCBURGLAR.txtRansom message:
notes/README-MCBURGLAR.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Mcburglar ransomware:
MCB.exe
Elastio Can Help You
Don't let Mcburglar ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This Mcburglar 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 Mcburglar.
Last updated: July 30, 2025