Smart Antivirus 2009 is a rogue from the same family as Vista Antivirus 2008, Antispyware 2008 XP, System Antivirus 2008, Internet Antivirus family...
These fake security softwares detect infections on a clean system.
It is also trying to modify the desktop background. A fake dll file is dropped in the %TEMP% folder which is a JPG file:
SmitfraudFix removes the malware.
Thanks to Bharath M N.