http://www.malwarebytes.org/

Have you ever considered what makes an anti-malware application effective? We at Malwarebytes have created an easy-to-use, simple, and effective anti-malware application. Whether you know it or not your computer is always at risk of becoming infected with viruses, worms, trojans, rootkits, dialers, spyware, and malware that are constantly evolving and becoming harder to detect and remove. Only the most sophisticated anti-malware techniques can detect and remove these malicious programs from your computer.

Malwarebytes is an easy-to-use, simple, and effective anti-malware application.  They use advanced technologies to detect, destroy, and prevent malicious programs that are constantly evolving and looking to damage your PC. 
Malwarebytes is very effective, doesn't annoy you, and has a free version that does an amazing job.

Activating the full version unlocks realtime protection, scheduled scanning, and scheduled updating. For consumers and personal use, it is a one time fee of $24.95 and there is volume licensing for organizations or businesses.  However, the link below is for the FREE version.  Enjoy, Freeloaders!

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