Security Tool is a fake anti-spyware program that through the use of deceiving tactics, is able to extort money from unsuspecting computer users. Security Tool uses fake system alerts and falsified system scans to persuade purchase of the Security Tool application.

Security Tool comes from the same group of hackers that develop and spread the rogue anti-spyware programs Total Security 2009 and System Security. Security Tool is not an effective tool for the detection and removal of computer parasites.