I have a solucation for this problem. Plesae follow the below steps to resolve the problem.
1.Open task manager and kill process wscript.exe
2.Delete Anti.vbs file if u have find in system32 folder.
3.It is super hidden so first go to Folder Options and check show hidden and check boxes.
4.Please go to start> RUN and type the REGEDIT.
5.Go to HKEY_LOCAL_ MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon
On the right side look for Shell which should have value of just explorer.exe.
delete anything at right side of explorer.exe if there is anything.
6.Under same key Winlogon also look for Userinit which should have value of
Delete all after the comma.