Sometimes a virus must be removed manually. This can become a technical process that you should only undertake if you have experience with the Windows registry and know how to view and delete system and program files in Windows.
STEP-1 : To reset Internet Explorer proxy settings
In Windows 7, click the Start button. In the search box, type run, and then, in the list of results, click Run.
OR
In Windows Vista, click the Start button, and then click Run.
OR
In Windows XP, click Start, and then click Run.
Copy and paste or type the following text in the Open box in the Run dialog box:
reg add “HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings” /v ProxyEnable /t REG_DWORD /d 0 /f
Click OK.
In Windows 7, click the Start button. In the search box, type run, and then, in the list of results, click Run.
OR
In Windows Vista, click the Start button, and then click Run.
OR
In Windows XP, click Start, and then click Run.
Copy and paste or type the following text in the Open box in the Run dialog box:
reg delete “HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings” /v ProxyServer /f
Click OK.
STEP-2 : Open Task Manager to kill the malicious process
If you know virus’s name, then try to kill that process;
For Example, please see the Screen Shot..
STEP-3 : Run Windows Default Search Tool
Run Windows default search tool: Start > Search > For Files and Folders. Type in the file name or its part to the search field. Specify search location. For better results select “Look in: Local Hard Drives” or “Look in: My Computer“. Now start searching. The file should appear in search results.
If found.. delete it.