You have multiple infections so this will take several steps to remove. Please do the following.
You are running 2 Antiviruses. Pick one and remove the other. If you choose to remove 'Norton', go to the Symantec website and get their special removal tool!. Once you've done this, proceed below.
Go to 'Control Panel/folder options/view' and check 'show hidden files and folders'.While there, UNCHECK 'hide protected operating system files(recommended)'. Click Apply and Okay.
Completely disable Trojan Hunter.
Run HijackThis and put a check by the following entries, close all open windows and browsers except HijackThis and click 'Fix Checked'
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar =
http://us.rd.yahoo.com/customize/ie/...ch/search.html
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
O2 - BHO: (no name) - {11F0EE13-5947-2942-F631-09BEB2706006} - C:\WINDOWS\system32\wirvufc.dll
O2 - BHO: (no name) - {755bbd1a-aa59-456c-afeb-b4c42c4dcb6f} - C:\WINDOWS\system32\ixt0.dll (file missing)
O4 - HKLM\..\Run: [CTDrive] rundll32.exe C:\WINDOWS\system32\drvcah.dll,startup
O20 - Winlogon Notify: wingsa32 - C:\WINDOWS\SYSTEM32\wingsa32.dll
O21 - SSODL: boucicault - {0bad5052-665d-40d4-a9bd-a2891eaafb42} - C:\WINDOWS\system32\fmrmhc.dll
Exit 'HJT' and reopen 'HJT' again.
Select 'Misc.Tools/Delete a File on Reboot"
Navigate to the following entries one at a time.
C:\Program Files\Common Files\{6074DF77-07D9-1033-1028-050507270001}\Update.exe
C:\WINDOWS\SYSTEM32\wingsa32.dll
Click open.Okay.
Hijackthis will tell you that this file will be deleted on next reboot and if you want to reboot now. Decline the reboot until both entries have been entered. Then Click Yes/ok
Your system must reboot now.
Once back in windows, do the following.
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 along with a new 'HJT' log.