Ransomware Research
Major Ransomware
Major is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2019, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Bmps.
Quick Facts
- Ransomware Family
- Major
- First Seen
- March 1, 2019
- Known Aliases
- Bmps
How Major Ransomware Works
File Encryption Patterns
Major modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..major..core..cube..mars..legacy..orion..AIR..ONIXRansom Note and Payment Demands
After encrypting files, Major displays ransom notes demanding payment for file recovery:
READ_ME.legacyRansom message:
notes/READ_ME.legacy
Note locations:
EveryFolderREAD_ME.coreREAD_ME.cubeRansom message:
notes/READ_ME.cube
READ_ME.marsRansom message:
notes/READ_ME.mars
READ_ME.orionRansom message:
notes/READ_ME.orion
TRY_TO_READ.htmlRansom message:
notes/TRY_TO_READ.html
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Major ransomware:
Major.exesvchost.exefaktura_8800.vbsf.vbsfaktura.tar3.exeAd.exeprogram.exeexecutable.execkoufc.exe
Elastio Can Help You
Don't let Major ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This Major 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 Major.
Last updated: October 30, 2025
Recent Ransomware
Explore other threats in our database