From Malware Bytes Website : Malwarebytes is a site dedicated to fighting malware. Malwarebytes has developed a variety of tools that can identify and remove malicious software from your computer. When your computer becomes infected, Malwarebytes can provide the needed assistance to remove the infection and restore the machine back to optimum performance.

This is a great application gets rid of most malware programs (nothings perfect) and besides that how do you beat the price "FREE".  There is a paid version but I'll leave that up to you, just remember to run it about once a week or so and this will help keep malware at bay, and remove some that already is.  Just follow the link below, download the free version, install it, and run it. Click the arrow below to download Malware Bytes.