Consumers are rapidly being infected with sypware. EarthLink's Spy Audit has found that the average PC has 28 items of spyware. Anti-spyware software is needed to remove the annoying and damaging adware and spyware software. Adware, like Claria's GAIN system and software from
WhenU, can display annoying and unwanted pop-ups and other
types of ads on a personal computer. Spyware can secretly invade a personal computer and run stealth spam software or spy on the owner's keystrokes to steal online banking passwords and credit card numbers.