SmithFraud is a trojan that may hijack your computer to display popup advertisements on it, in attempt to trick you into purchasing anti-spyware software PSGuard, SpySheriff, AntivirusGold, or AdwareDelete. SmithFraud may pose as shareware designed to protect your computer, when it may actually install spyware threats and malware onto your PC. SmithFraud may change your desktop background to a fake warning message about spyware and may block your attempts to access the internet. SmithFraud may also cause your system to be instable.

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