I was Asked By my Friend that he is the only User in His Computer, his Account is Having Administrative Rights, But he is not Able to Open Orkut, and it says Orkut is Has Banned. Another Friend had told that he is not Able to use Mozilla Fire Fox and it Asks him to use Internet Explorer. I Just Told Him must be some Virus, But Really Didn't Care Much About that. But None of the Antivirus Software Could Detect or Remove this Mal ware.

My Friend Had Given me a Pen Drive. I Remembered it While Browsing Net on Fire Fox. When I Put That in My PC and Double Clicked, it Didn't Open. I Knew at once: I had Activated a Virus. But I Didn't Have any idea About the kind of virus that Might Have Come to my PC, Until I Switched Back to Fire Fox. Immediately a Message Box was Displayed: I Dent Hate Mozilla But Use IE OR Else... with title as Use Internet  Explorer  Dope. I Just Remembered the Experiences of my Friends. I Tried to Locate the Virus by Running the Task Manager. But there Were no Suspicious Entries there. 

I had to Bow the Owner of the Virus. I Used Internet Explorer to Search About it. The First Entry in Google Took Me to the Mozilla Forum Page, and After Going Through Some Pages, I came to know that the same virus also displayed another message when you opened Orkut. Orkut is banned you fool, The administrators didn't write this program guess who did?? MUHAHAHA!! with title ORKUT IS BANNED. Well, a similar message was displayed for YouTube also. So I went through all the posts, and finally found a solution given here:

Press CTRL+ALT+DEL and go to the processes tab

Look for svchost.exe under the image name. There will be many but look for the ones which have your user name under the user name

Press DEL to kill these files. It will give you a warning, Press Yes

Repeat for more svchost.exe files with your user name and repeat. Do not kill svchost.exe with system, local service or network service!

Now open My Computer

In the address bar, type C:\heap41a and press enter. It is a hidden folder, and is not visible by default.

Delete all the files here

Now go to Start --> Run and type Regedit

Go to the menu Edit --> Find

Type "heap41a" here and press enter. You will get something like this "[winlogon] C:\heap41a\svchost.exe C:\heap(some number)\std.txt"

Select that and Press DEL. It will ask "Are you sure you want to delete this value?", click Yes

Now close the registry editor.

Now the virus is gone. But be sure to delete the autorun.inf file and any folder whose name ends with .exe in the pen drive.