SystemDefender is an older rogue anti-spyware application installed by a malicious Trojan that we discovered to perform rather malicious activities during the installation of SystemDefender. Once the installation of SystemDefender starts it creates hidden files which are executed to perform malicious activities in the background. The activities range from not allowing you to open legitimate programs to disabling your task manager. The Trojan that installs SystemDefender has yet to be specifically identified but we do know that is performs among some of the worst activities that a computer infection can perform.

The following symptoms occurred upon SystemDefender installation…

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