Gmer is primary a free rootkit scanner which offers additional functionality such as offering an Intrusion Prevention System and a Firewall. The interface looks very user friendly but the settings, options and the results require at last basic knowledge of rootkits and other means of harming the system to apply and interpretate them in the correct way. Gmer does notify the user if it spots something suspicious and displays those results in red in the main window. The two screenshots below show two typical scan results after performing a scan of your computer with Gmer.

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Rootkits received a publicity boost with Sony’s rootkit infested CDs that was supposed to be some kind of copy protection. Since then rootkits have become an ever growing threat on the Internet in line with Viruses, Trojans, Phishing and Spam. The major problem with rootkits is that most users think that their virus scanner protects them from rootkits as well which is most of the time not the case. Rootkits are much harder to detect by normal means and software that can scan systems for rootkits should be used by inexperienced users to be able to detect at least the most common ones.

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