What is Windiskutility?
The Malwarebytes research team has determined that Windiskutility is a Tech Support Scam.
This one tries to get you to call a French telephone number.
How do I know if my computer is affected by Windiskutility?
You will see some screens similar to this one shortly after the file is executed:
When the three stages are finished you will see this screen:
Entering a wrong key and clicking the button behind the textbox gets you this screen:
How did Windiskutility get on my computer?
Tech Support Scammers use different methods for distributing themselves. This particular one was offered as a Windows driver.
How do I remove Windiskutility?
Our program Malwarebytes Anti-Malware can detect and remove this potentially unwanted application, but due to the nature of the infection this will require a few extra steps.
- One of the correct keys to enter is g6r-qrp6-h2. After entering this value by clicking the button you will see:
- Click OK and the lockscreen will disappear. Then use the Ctrl-Alt-Del keys and Start Task Manager from the resulting screen.
- In the Windows Task manager click File > New Task (Run...). In the prompt type explorer and click OK.
- You should now have access to your Desktop again.
- Then continue with the instructions below.
- Please download Malwarebytes to your desktop.
- Double-click mb3-setup-consumer-{version}.exe and follow the prompts to install the program.
- Then click Finish.
- Once the program has fully updated, select Scan Now on the Dashboard. Or select the Threat Scan from the Scan menu.
- If another update of the definitions is available, it will be implemented before the rest of the scanning procedure.
- When the scan is complete, make sure that all Threats are selected, and click Remove Selected.
- Restart your computer when prompted to do so.
- No, Malwarebytes removes Windiskutility completely.
We hope our application and this guide have helped you eradicate this hijacker.
As you can see below the full version of Malwarebytes would have protected you against the Tech Support Scam.
Technical details for experts
The screenlocker does not make any significant changes to the system, but it intercepts calls to Taskmanager, the Command prompt and the Run prompt while it is active.
Malwarebytes scan log:
Malwarebytes www.malwarebytes.com -Log Details- Scan Date: 12/28/17 Scan Time: 11:56 AM Log File: bd9d4e8d-ebbd-11e7-aebe-080027750297.json Administrator: Yes -Software Information- Version: 3.3.1.2183 Components Version: 1.0.262 Update Package Version: 1.0.3576 License: Premium -System Information- OS: Windows 7 Service Pack 1 CPU: x64 File System: NTFS User: {computername}\{username} -Scan Summary- Scan Type: Threat Scan Result: Completed Objects Scanned: 245269 Threats Detected: 1 Threats Quarantined: 1 Time Elapsed: 1 min, 25 sec -Scan Options- Memory: Enabled Startup: Enabled Filesystem: Enabled Archives: Enabled Rootkits: Disabled Heuristics: Enabled PUP: Detect PUM: Detect -Scan Details- Process: 0 (No malicious items detected) Module: 0 (No malicious items detected) Registry Key: 0 (No malicious items detected) Registry Value: 0 (No malicious items detected) Registry Data: 0 (No malicious items detected) Data Stream: 0 (No malicious items detected) Folder: 0 (No malicious items detected) File: 1 Rogue.TechSupportScam, C:\USERS\{username}\DESKTOP\WINDISKUTILITY.EXE, Delete-on-Reboot, [358], [473454],1.0.3576 Physical Sector: 0 (No malicious items detected) (end)As mentioned before the full version of Malwarebytes could have protected your computer against this threat.
We use different ways of protecting your computer(s):
- Dynamically Blocks Malware Sites & Servers
- Malware Execution Prevention