Ransomware Research
Takahiro Ransomware
Takahiro is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Takahiro
- First Seen
- April 1, 2016
How Takahiro Ransomware Works
Targeted Files
http://www.trendmicro.com/vinfo/us/threat-encyclopedia/malware/ransom_takalocker.a
File Encryption Patterns
Takahiro modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..takahiroRansom Note and Payment Demands
After encrypting files, Takahiro displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
LoginTechnical Indicators
Associated Executable Files
The following executable files are associated with Takahiro ransomware:
Takahiro-Locker.exe
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About This Analysis
This Takahiro 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 Takahiro.
Last updated: July 30, 2025