Spyware Can collect passwords and cedit card details.
These aren't very common at all and usually do not actually cause any harm, I've come across various internet explorer toolbars with key loggers built into them, these are very sneaky bastards and like to lurk underneath your start bar
Yet as i say they are extremely rare and i doubt you'll ever get one
It's so tempting to post that "WOW Old news is so exciting" but... I won't because he's trying to help people.
Bacily to sum it up adware and spyware "Spys" on you. There programs that are made by large company’s set out to spy on what you do on your computer. Then they pump either ads or more spyware into your computer based on the actions they have recorded you doing on your computer. Spyware is a pain in the butt because it slows your computer down and will crash your computer if the computer becomes to overloaded with spyware.
I do recommend running more than one spyware remover because each program does a different thing and takes out different kinds of spyware. For example I use Microsoft Anti-Spyware, PestPatrol and Spyhunter.
PestPatrol finds the files that could be possible spyware and also find a huge variety of spying programs such as, trojans, adware, malware, spyware, and so on. It also blocks spyware cookies.
Microsoft Anti-Spyware protects you from incoming spyware programs. It will block spyware from coming in and changing options in your computer. It’s also a nice and easy program to use and scan your computer with.
SpyHunter is for the deep down spyware that likes to hide in the tiny holes in your computer.
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