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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:
..locked
Ransom Note and Payment Demands
After encrypting files, Skull HT displays ransom notes demanding payment for file recovery:
READ_ME.txt
Ransom message:
notes/READ_ME.txt
Note locations:
Desktop
Ransom message:
notes/YJLX9JJ.png
Note locations:
Desktop
Technical Indicators
Associated Executable Files
The following executable files are associated with Skull HT ransomware:
hidden-tear.exe
The Art of Amazon Carding.pdf.exe
The Art of Amazon Carding.exe
Elastio Can Help You
Don't let Skull HT ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
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