Ransomware Research
HolyCrypt Ransomware
HolyCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- HolyCrypt
- First Seen
- July 1, 2016
How HolyCrypt Ransomware Works
Targeted Files
Written in Python 2.7(PyInstaller)
File Encryption Patterns
HolyCrypt modifies encrypted files using specific patterns to mark them as encrypted:
Prefixes added to encrypted files:
(encrypted)Ransom Note and Payment Demands
After encrypting files, HolyCrypt displays ransom notes demanding payment for file recovery:
Ransom message:
notes/alert.jpg
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with HolyCrypt ransomware:
holycrypt.exe.dontrunholy.exeDCC-ReportGiu2016.pdf.exeholhol.exeHolyCrypt.exeHoly.exe
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About This Analysis
This HolyCrypt 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 HolyCrypt.
Last updated: July 30, 2025