Ransomware Research
SepSys Ransomware
SepSys is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- SepSys
- First Seen
- February 1, 2020
How SepSys Ransomware Works
Targeted Files
check IP via http://www.myip.ch
File Encryption Patterns
SepSys modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..sepsysRansom Note and Payment Demands
After encrypting files, SepSys displays ransom notes demanding payment for file recovery:
README.htmlRansom message:
notes/README.html
Note locations:
ProgramDataTechnical Indicators
Associated Executable Files
The following executable files are associated with SepSys ransomware:
destructy-1.0.execard-genwizard.exesepsys.exeSMBGhoster_1.2.exe
Elastio Can Help You
Don't let SepSys ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This SepSys 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 SepSys.
Last updated: July 30, 2025