Found your computer pop the ads automatically? Yes, your computer may infected by spybots or adbots, which is the modules that are responsible for showing ads and transmitting information back to vendors.
Spybot - Search & Destroy can detect and remove a multitude of adware files and modules from your computer. Spybot also can clean program and Web-usage tracks from your system, which is especially useful if you share your computer with other users. Modules chosen for removal can be sent directly to the included file shredder, ensuring complete elimination from your system.
For advanced users, it allows you to fix registry inconsistencies related to adware and to malicious program installations. The handy online-update feature ensures that Spybot always has the most current and complete listings of adware, dialers, and other uninvited system residents.
New version adds enhanced immunization features, an improved interface, and integration of BrowserManager for spyware detection, plus the new Hosts File feature and bug fixes.
p/s: Recommended to use Spybot - Search Destory to scan for your computer regularly, maybe once per week