Avira Antivirus 

Protect the safety and privacy of an operating system by scanning the drives and applications for viruses, trojans and other types of malware, removing dangerous programs and blocking online threats. The antivirus also features a complimentary toolbar.

Avira Antivirus is not only one of the world’s most popular basic virus scanners, it’s also the easiest to use. With pushbutton convenience, this program removes viruses and other malware. Plus, new features in the SearchFree Toolbar now include a website safety advisor and the ability to block advertising companies from tracking you online!