Top 10 Malware Threats To Microsoft PCs

3. Adware

Increased detections of Hotbar drove adware threats into third place in the fourth quarter of 2012. Hotbar is a toolbar that monitor's a victim's browsing behavior and develops targeted pop-up ads based on visited sites and search activity. The toolbar targets users of Internet Explorer and Firefox. Another adware program called DealPly displays offers related to the victim's browsing habits and is sometimes bundled with third-party software installation programs, Microsoft said.

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