addware

functions:

Adware delivers ads to an infected computer in a variety of manners depending on the type of adware it is. Most adware functions only to create revenue and serve ads to unsuspecting computer users.

types:

Adware delivered ads can be delivered as pop-up windows, forced links within browser windows, browser redirects or toolbars that take up space in a browser.

effects:

Adware can slow a computer and affect the way certain programs work. The most likely to be affected are Internet browsers. Some adware may collect browsing information to deliver more effective ads to the infected computer.

significance:

Adware increases with increased Internet use and can often damage a computer user's experience with his machine. The ads delivered could be adult in nature, which could offend some or shock children.

prevention:

Adware usually installs onto a computer through the use of another program or through the click of a link. Carefully inspect options on downloaded software and be sure to run scans with programs such as Lavasoft Ad-Aware.