Smooth Defender 2009 is a malicious application trying to present itself as a legitimate system protection tool. And although it might look convincing, SmoothDefender 2009 should not be trusted or taken for granted. Not only SmoothDefender2009 is not able to provide system security, it also performs various malicious actions such as hijacking the web browser or preventing the actual security programs from launching.

Source: http://www.spywared.com/spyware-removal-instructions/2009/11/18/remove-smooth-defender-2009-smooth-defender-2009-removal-help.html