Ransomware Research
Hollycrypt Ransomware
Hollycrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Hollycrypt
- First Seen
- November 1, 2016
How Hollycrypt Ransomware Works
File Encryption Patterns
Hollycrypt modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..HollycryptRansom Note and Payment Demands
After encrypting files, Hollycrypt displays ransom notes demanding payment for file recovery:
Read_this_shit.txtRansom message:
notes/Read_this_shit.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Hollycrypt ransomware:
Hollycrypt.exeBrute Hack Fb.exe
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About This Analysis
This Hollycrypt 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 Hollycrypt.
Last updated: July 30, 2025