Ransomware Research
Crypt0 HT Ransomware
Crypt0 HT is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Crypt0 HT
- First Seen
- December 1, 2017
How Crypt0 HT Ransomware Works
Targeted Files
Doesn't encrypt %SYSTEMDRIVE%
File Encryption Patterns
Crypt0 HT modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.[a-z0-9]{6}$/Ransom Note and Payment Demands
After encrypting files, Crypt0 HT displays ransom notes demanding payment for file recovery:
READ_IT.htmlRansom message:
notes/READ_IT.html
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Crypt0 HT ransomware:
BankInformation.exe
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About This Analysis
This Crypt0 HT 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 Crypt0 HT.
Last updated: July 30, 2025