Ransomware Research
Mew767 Ransomware
Mew767 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Mew767
- First Seen
- February 1, 2020
How Mew767 Ransomware Works
Targeted Files
Full format of encrypted files -> _ID_XXXXXXXXXX_(X)_infectionplex@cock.li.mew767 Encrypts first 0x14FF0 bytes
File Encryption Patterns
Mew767 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..mew767Ransom Note and Payment Demands
After encrypting files, Mew767 displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionFileRecovery.txtRansom message:
notes/FileRecovery.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Mew767 ransomware:
infect.exe
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About This Analysis
This Mew767 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 Mew767.
Last updated: July 30, 2025