Ransomware Research
Dusk Ransomware
Dusk is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Dusk
- First Seen
- September 1, 2020
How Dusk Ransomware Works
File Encryption Patterns
Dusk modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..DuskRansom Note and Payment Demands
After encrypting files, Dusk displays ransom notes demanding payment for file recovery:
!#!READ-ME!#!.txtRansom message:
notes/!#!READ-ME!#!.txt
Note locations:
DesktopREADME.txtRansom message:
notes/README.txt
Note locations:
EveryFolderRansom message:
notes/Notification.jpg
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Dusk ransomware:
Dusk.exe
Elastio Can Help You
Don't let Dusk ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This Dusk 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 Dusk.
Last updated: July 30, 2025