Run hijack this, click the "open misc. tool section" button, click "open uninstall manager>click save list,yes to the prompts, notepad will open with your add/remove programs list.Post that list here.
Also, download SmitfraudFix (by S!Ri)
http://siri.urz.free.fr/Fix/SmitfraudFix.zip to your Desktop.
Extract all the files to your Destop. A folder named SmitfraudFix will be created on your Desktop.
Open the SmitfraudFix folder and double-click smitfraudfix.cmd
Select option #1 - Search by typing 1 and press Enter
This program will scan large amounts of files on your computer for known patterns so please be patient while it works. When it is done, the results of the scan will be displayed and it will create a log named rapport.txt in the root of your drive, eg: Local Disk C: or partition where your operating system is installed. Post this log also.