Your Computer is infected with a Virus called W32.USBWorm. It spreads throught USB drives and prevents the use of Firefox. Prevents user from using Firefox, shows message which reads, "I DNT HATE MOZILLA BUT USE IE OR ELSE..." The message header reads, "USE INTERNET EXPLORER YOU DOPE." Firefox is then closed by force. Also blocks "Orkut" and "YouTube" sites.
*img255.imageshack.us/img255/403/imgshowphpau5.png
*img255.imageshack.us/img255/2715/youtubeblockik1.jpg
Press Alt+Ctrl+Del --> you can see 'Task Manager' --> click on Process tab --> Locate 'SVCHOST.EXE' (will see many SVCHOST.EXE, but select the one having 'User Name' same as your Windows login name). --> Click End Process button
Now proceed the following
1. Navigate to C:/Heap41a and delete the contents of the folder.
2. Start Menu>Run>regedit press enter key
Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL
CheckedValue reset it back to 1 from 2. ( to do that right click CheckedValue>modify>value data >
Go to C:\heap41a and delete this folder, If the folder called test.exe delete that too from your desktop.
Clear all the key entries from this registry: HKEY_LOCAL_MACHINE,SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\ with entry called 'heap41a'
W32.USBWorm