Ransomware Research
Matrix-Locked_File Ransomware
Matrix-Locked_File is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: ex Locked_File.
Quick Facts
- Ransomware Family
- Matrix-Locked_File
- First Seen
- September 1, 2017
- Known Aliases
- ex Locked_File
How Matrix-Locked_File Ransomware Works
Targeted Files
Filenames -> 27lxudNE-sUFBVkJT-weXS6S2w-GsEVACgn.[restoreassistant2@tutanota.com].locked_file
File Encryption Patterns
Matrix-Locked_File modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..locked_fileRansom Note and Payment Demands
After encrypting files, Matrix-Locked_File displays ransom notes demanding payment for file recovery:
!HOW_TO_UNLOCK_FILES!.htmlRansom message:
notes/!HOW_TO_UNLOCK_FILES!.html
Note locations:
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About This Analysis
This Matrix-Locked_File 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 Matrix-Locked_File.
Last updated: July 30, 2025