Svchost.exe is the name of a generic host process for services that run from dynamic link libraries (DLLs).
The original file is located in the C:\Windows\System folder and it checks the services portion of the Windows registry to verify and list the services that must load on system begin up.
Multiple sessions of the file typically run while a system is operational, each session containing a separate group of services.
A variety of malware spreading endless file of the same name - scvhost.exe over internet especially via Yahoo Messenger the etc. which block Task Manager ,Registry Editor and the use of command prompt.
Take a Look at the screenshots on how they causes headaches for you.
These Errors mess up whole your works and files and cause you lose of time
Now let's take a look on how to remove the Virus from our PC.
Steps to Get rid of It
*-If the operating system of the infected computer is either Windows Me or Windows XP, turn off System Restore while this repair is being implemented.
*-To turn off System Restore within Windows Me, click Start > Settings > Control Panel. Double-click "System." Select "File System" from the Performance tab. Left click the "Troubleshooting" tab and check the "Disable System Restore" crate. Click "OK."
*-To turn off System Restore within Windows XP, log in as Administrator and click "Start." Right click "My Computer" and choose "Properties" from the shortcut menu. Check the "Turn off System Restore" option for each drive on the System Restore tab. Left click "Apply" and "Yes" to confirm when prompted. Click "OK.
*-Restart your computer in Safe Mode and log in as Administrator. Press "F8" after the first beep occurs during start up, before the display of the Microsoft Windows logo. Select the first option, to run Windows in Safe Mode from the selection menu .
*-Access the command prompt. Click Start > Run. Type "cmd." Click OK > CD (change directory) from the command prompt, press the space bar.
*-Type the name of the full directory path of the folder containing your Windows system files. It will be either "C:\Windows\System" or "C:\Windows\System 32."
From the command prompt, type the following to unprotect the files for removal:
*-"attrib -h -r -s scvhost.exe" and press "Enter;"
*-"attrib -h -r -s blastclnnn.exe" and press "Enter;"
*-"attrib -h -r -s autorun.inf" and press "Enter."
Delete the files by typing the following from the command prompt:
*-"del scvhost.exe" and press "Enter;"
*-"del blastclnnn.exe" and press "Enter;"
*-"del autorun.ini" and press "Enter."
Type "cd\" to return to the main Windows directory.
*-Unprotect and delete the Autorun.inf file by typing the following from the Windows directory command prompt:
*-"attrib -h -r -s autorun.inf" and press "Enter;"
*-"del "autorun.inf" and press "Enter;"
*-Type "regedit" and press "Enter" to open the Registry Editor.
Locate the following entry:
*-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run.
*-Delete the incorrectly spelled Yahoo! Messenger entry with the value
*-"c:\windows\system32\scvhost.exe."
Locate the following key:
*-HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon.
*-Within the key, there is a "shell" entry with the value of "explorer.exe, scvhost.exe". Edit the entry to remove the reference to Scvhost.exe, leaving Explorer.exe as the remaining value in the registry entry.
Locate the following key:
*-HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>
*-Delete the following subkeys from the left panel:
*-RpcPatch
*-RpcTftpd
*-Exit the command prompt and return to the operating system. Type "Exit," and press "Enter."
*-Reboot the PC.
*-If Scvhost.exe still resides on the computer, repeat these steps
*-Try using an automatic removal program like Avast Antivirus or McAfee or Symantec .
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