Ransomware Research
Skull HT Ransomware
Skull HT is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Skull HT
- First Seen
- November 1, 2017
How Skull HT Ransomware Works
File Encryption Patterns
Skull HT modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..lockedRansom Note and Payment Demands
After encrypting files, Skull HT displays ransom notes demanding payment for file recovery:
READ_ME.txtRansom message:
notes/READ_ME.txt
Note locations:
DesktopRansom message:
notes/YJLX9JJ.png
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Skull HT ransomware:
hidden-tear.exeThe Art of Amazon Carding.pdf.exeThe Art of Amazon Carding.exe
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About This Analysis
This Skull 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 Skull HT.
Last updated: July 30, 2025