Ransomware Research
Kripto64 Ransomware
Kripto64 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Turkish HTx64.
Quick Facts
- Ransomware Family
- Kripto64
- First Seen
- April 1, 2017
- Known Aliases
- Turkish HTx64
How Kripto64 Ransomware Works
File Encryption Patterns
Kripto64 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..sifreliRansom Note and Payment Demands
After encrypting files, Kripto64 displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionTechnical Indicators
Associated Executable Files
The following executable files are associated with Kripto64 ransomware:
Kripto.exe
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About This Analysis
This Kripto64 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 Kripto64.
Last updated: July 30, 2025