W32.Mariofev.A
Reported: May 10, 2008
Category: Worm, Threats
W32.Mariofev.A can reduced security settings on infected computer by disabling security programs. This worm spreads by creating a copy to network drives.
Other Alias: -
Threat Level: Low
Systems Affected: Windows - All
Source: Symantec
1. Temporarily Disable System Restore (Windows Me/XP). [how to]
2. Update the virus definitions.
3. Reboot computer in SafeMode [how to]
4. Run a full system scan and clean/delete all infected file(s)
5. Find and stop the service.
Click Start > Run.
- Type services.msc, and then click OK.
- Locate and select the service that was detected.
Service name: SCNa
Display name: SCNa Service
- Click Action > Properties.
- Click Stop.
- Change Startup Type to Manual.
- Click OK and close the Services window.
6. Delete/Modify any values added to the registry. [how to edit registry]
Navigate to and delete the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\[NUMBER]\”[34 DIGIT HEX NUMBER]” = “[RANDOM DATA]”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows
\”ztpInit_Dlls” = “nvrsma”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\”ccnt” = “[NUMBER OF INFECTION ATTEMPTS]”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\”mid” = “[RANDOM HEX DATA]”
Navigate to and delete the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SCNa
7. Exit registry editor and restart the computer.
8. In order to make sure that threat is completely eliminated from your computer, carry out a full scan of your computer using AntiVirus and Antispyware Software. Another way to delete the virus using various Antivirus Program without the need to install can be done with Online Virus Scanner.