When the rogue program is executed, it blocks other applications on your computer and displays falsified error message saying that your web browser, or any other application, is infected, e.g., Trojan.Win32.Qhost.
Windows Supervision Center pretends to scan your computer for viruses. After the fake scan, it states that some of the viruses have been removed, but if you want to cleanup your computer completely, you have to purchase the full version of the program. If you choose to purchase, the rogue program will open fraudulent payment page.
The good news is that you can remove Windows Supervision Center rather easily. You can delete it manually or download anti-malware software and run a full system scan. For more information, please follow the removal instructions below. Last, but not least, if you have purchased this rogue AV, please contact your credit card company and dispute the charges. If you need help removing Windows Supervision Center, please leave a comment below. Good luck and be safe online!
Related malware: Windows Oversight Center.
Windows Supervision Center removal instructions:
1. Rename the main executable of the rogue program:
In Windows XP:
C:\Documents and Settings\[UserName]\Application Data\Microsoft\[SET OF RANDOM CHARACTERS].exe
In Windows Vista/7:
C:\Users\[UserName]\AppData\Roaming\Microsoft\[SET OF RANDOM CHARACTERS].exe
Look for cccayn.exe or similar file and rename it to cccayn.vir.
Then restart your computer. This should disable the rogue program. After reboot, please continue with the rest of the removal process. NOTE: By default, Application Data folder is hidden. If you can find it, please read Show Hidden Files and Folders in Windows.
2. Download shell-fix.reg. Double-click to run it. Click "Yes" when it asks if you want to add the information to the registry. This file will fix the Windows Shell entry.
3. Download free anti-malware software from the list below and run a full system scan.
NOTE: in some cases the rogue program may block anti-malware software. Before saving the selected program onto your computer, you may have to rename the installer to iexplore.exe or winlogon.exe With all of these tools, if running Windows 7 or Vista they MUST be run as administrator. Launch the program and follow the prompts. Don't forget to update the installed program before scanning.
4. New threats appear every day. In order to protect your PC from such (new) infections we strongly recommend you to use ESET NOD32 Antivirus.
Alternate Windows Supervision Center removal instructions (in Safe Mode with Networking):
1. Reboot your computer is "Safe Mode with Networking". As the computer is booting tap the "F8 key" continuously which should bring up the "Windows Advanced Options Menu" as shown below. Use your arrow keys to move to "Safe Mode with Networking" and press Enter key. Read more detailed instructions here: http://www.computerhope.com/issues/chsafe.htm
NOTE: Login as the same user you were previously logged in with in the normal Windows mode.
2. Download free anti-malware software from the list below and run a full system scan.
NOTE: in some cases the rogue program may block anti-malware software. Before saving the selected program onto your computer, you may have to rename the installer to iexplore.exe or winlogon.exe With all of these tools, if running Windows 7 or Vista they MUST be run as administrator. Launch the program and follow the prompts. Don't forget to update the installed program before scanning.
3. New threats appear every day. In order to protect your PC from such (new) infections we strongly recommend you to use ESET NOD32 Antivirus.
Associated Windows Supervision Center files and registry values:
Files:
In Windows XP:
- C:\Documents and Settings\[UserName]\Application Data\Microsoft\[SET OF RANDOM CHARACTERS].exe
- C:\Users\[UserName]\AppData\Roaming\Microsoft\[SET OF RANDOM CHARACTERS].exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon "Shell" = '%UserProfile%\Application Data\Microsoft\[SET OF RANDOM CHARACTERS].exe'
- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\egui.exe "Debugger" = 'svchost.exe'
- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ekrn.exe "Debugger" = 'svchost.exe'
- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msascui.exe "Debugger" = 'svchost.exe'
- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe "Debugger" = 'svchost.exe'
- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe "Debugger" = 'svchost.exe'
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