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Ransomware Research
PayDay HT Ransomware
PayDay HT is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- PayDay HT
- First Seen
- December 1, 2016
How PayDay HT Ransomware Works
Targeted Files
Requires C&C
File Encryption Patterns
PayDay HT modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..sexy
Ransom Note and Payment Demands
After encrypting files, PayDay HT displays ransom notes demanding payment for file recovery:
!!!!!ATENÇÃO!!!!!.html
Ransom message:
notes/!!!!!ATENÇÃO!!!!!.html
Note locations:
Desktop
Technical Indicators
Associated Executable Files
The following executable files are associated with PayDay HT ransomware:
hidden-tear.exe
800201612091934.pdf.exe
Elastio Can Help You
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About This Analysis
This PayDay 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 PayDay HT.
Last updated: July 30, 2025