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Ransomware Research
Executioner Ransomware
Executioner is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Executioner
- First Seen
- June 1, 2017
How Executioner Ransomware Works
Targeted Files
Requires C&C
File Encryption Patterns
Executioner modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.[a-z0-9]{6}$/
Ransom Note and Payment Demands
After encrypting files, Executioner displays ransom notes demanding payment for file recovery:
Sifre_Coz_Talimat.html
Ransom message:
notes/Sifre_Coz_Talimat.html
Note locations:
EveryFolder
Ransom message:
notes/f2lnJK9.jpg
Note locations:
Desktop
Technical Indicators
Associated Executable Files
The following executable files are associated with Executioner ransomware:
Executioner.exe
New heykLog.exe
oqycbr.exe
CYBERf7e44da9e0dab4bb497cd83383a7128efdfbf96cdbb3886720fc3e081128a776.EXE
Elastio Can Help You
Don't let Executioner ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This Executioner 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 Executioner.
Last updated: July 30, 2025