You need to download and install malwarebytes from http://download.cnet.com/Malwarebytes-Anti-Malware/3000-8022_4-10804572.html?part=dl-10804572&subj=dl&tag=button after install malware bytes scann your system with malwarebytes .after complete scanning click on “show result” select all the boxes if not select ed then click “remove selected” after remove click on “exit”
You can manually remove Winpc to follow the following steps
1: Stop winpc defender process
Press “Alt+Ctrl+Delete“, then click on “Task Manager“. You can also launch the Task Manager instantly if you press Ctrl + Shift + ESC simultaneously. This is much easier than accessing it from Ctrl + Alt + Delete or the taskbar. It works for both Windows XP or Windows Vista.
Go to process tab ,Select the process “WinPCDefender.exe “ then click on “End Process“.
2: The associated files to be deleted are listed below:
%UserProfile%\Desktop\Launch WinPC Defender.lnk
%UserProfile%\Local Settings\Temp\delwdef2008.bat
%UserProfile%\Local Settings\Temp\[Random Name].tmp
%Program Files%\WinPC Defender\data.dat
%Program Files%\WinPC Defender\FwHookDrv.sys
%Program Files%\WinPC Defender\HOSTS.hst
%Program Files%\WinPC Defender\Manual.url
%Program Files%\WinPC Defender\options.xml
%Program Files%\WinPC Defender\reserve.dat
%Program Files%\WinPC Defender\rules
%Program Files%\WinPC Defender\Rules.txt
%Program Files%\WinPC Defender\siren.wav
%Program Files%\WinPC Defender\Support.url
%Program Files%\WinPC Defender\svo.scf
%Program Files%\WinPC Defender\temp
%Program Files%\WinPC Defender\Uninstall.exe
%Program Files%\WinPC Defender\Uninstall_st_st_.exe
%Program Files%\WinPC Defender\vfile
%Program Files%\WinPC Defender\WDefDemo.exe
%Program Files%\WinPC Defender\Web.url
%WINDOWS%\ieocx.dll
3: The related registry entries to be removed are as follows:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Win PCDefender
HKEY_LOCAL_MACHINE\SOFTWARE\WinPCDefender.com
HKEY_CURRENT_USER\Software\WinPC Defender
HKEY_CLASSES_ROOT\CLSID\{96ad72e4-2e2b-4ffc-a5bb-279c2714af12}
HKEY_CLASSES_ROOT\IEocxApp.IEocx
HKEY_CLASSES_ROOT\IEocxApp.IEocx.1
HKEY_CLASSES_ROOT\Interface\{4B66E1DF-4DE3-4CDA-83B5-11673EADAB0B}
HKEY_CLASSES_ROOT\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}
HKEY_CLASSES_ROOT\TypeLib\{A54DC52D-7AAD-4D40-A126-337211631EDC}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{96ad72e4-2e2b-4ffc-a5bb-279c2714af12}
HKEY_CURRENT_USER\Control Panel\don’t load “scui.cpl”
HKEY_CURRENT_USER\Control Panel\don’t load “wscui.cpl”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “sysav”
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run “Content”