Ransomware Research
WinUpdatesDisabler Ransomware
WinUpdatesDisabler 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
- WinUpdatesDisabler
- First Seen
- June 1, 2017
How WinUpdatesDisabler Ransomware Works
Targeted Files
The name of current sample should be "WinUpdatesDisabler.exe"
File Encryption Patterns
WinUpdatesDisabler modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..zbtRansom Note and Payment Demands
After encrypting files, WinUpdatesDisabler displays ransom notes demanding payment for file recovery:
Payment information for decryption.txtRansom message:
notes/Payment information for decryption.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with WinUpdatesDisabler ransomware:
WinUpdatesDisabler.exewud.exeWUD.exe
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About This Analysis
This WinUpdatesDisabler 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 WinUpdatesDisabler.
Last updated: July 30, 2025