OmegaAntivir is a new rogue. It is a new version (new Interface) of a long list of clones: Windows Additional Guard, Windows Guard Pro, Ultimate System Guard, Smart Virus Eliminator, Windows Protection Suite, Windows System Suite, Windows Security Suite, Malware Destructor 2009, FastAntivirus, MalwareCatcher, VirusShield, Extra Antivirus, Virus Sweeper, Ultra Antivir 2009, Virusdoctor, VirusMelt, VirusAlarm.
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BleepingComputer Omega Antivir removal guide.