Adware. Most likely installed by a virus or doing something stupid.
Run that and post the results here.
It will be a detailed list of all your processes and various other crappies in your computer which basically shows advanced users (like us) what the hell your computer is doing... to better provide a fix.
Read the fine print in the EULA
And for the love of crap uninstall the Freeware... that's why its "Free" -- they get money for each ad you see/click.