You have spyware on your computer - it's one of the searchmiracle/ elite toolbar variants. Suggest you go to
http://forums.majorgeeks.com/showthread.php?t= 35407
and follow the spyware removal instructions - although they look complicated, and take some time to work through, all the tools are free and reliable.
***Beware! There are a lot of 'free' antispyware' programs on the internet - some of them are actually spyware, and others will scan your system, tell you that you have hundreds of infected files, then say you have to pay $ to get the full program to remove them***