Spybot Search & Destroy
Spybot - Search & Destroy (often Spybot-S&D) is a malware, spyware and adware removal program for Microsoft Windows. Like most malware scanners, Spybot-S&D scans the computer hard disk and/or RAM for malicious software.
Spybot is able to fix problems with tracking cookies, system internals (Registry), Winsock LSPs, ActiveX objects, browser hijackers, and is to some extent, able to protect a user's privacy, by deleting usage tracks.
Spybot also includes an "Immunize" feature which can be used to block the installation of spyware before it occurs. Another tool included in Spybot is a file shredder, for the secure deletion of files.
Spybot is released as freeware, you can get a copy from the Downloads page.
Some material on this page is from Wikipedia and is used under theGNU Free Documentation License.