Ransomware Research
WinSec Ransomware
WinSec is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Portugese HT.
Quick Facts
- Ransomware Family
- WinSec
- First Seen
- April 1, 2017
- Known Aliases
- Portugese HT
How WinSec Ransomware Works
File Encryption Patterns
WinSec modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..lockedRansom Note and Payment Demands
After encrypting files, WinSec displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionTechnical Indicators
Associated Executable Files
The following executable files are associated with WinSec ransomware:
winsec.exe_AF7D3A7D91108056C79599F50B0F52A2._
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About This Analysis
This WinSec 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 WinSec.
Last updated: July 30, 2025