Worm poses as Windows Genuine Advantage

IT security experts have warned of a worm that purports to be Microsoft's Windows Genuine Advantage (WGA) anti-piracy tool.

WGA has recently been branded as 'spyware' in that it collects unnecessary hardware and software data from users' PCs.

The Cuebot-K worm spreads via AOL Instant Messenger, registering itself as a new system driver service called 'wgavn'. It carries the display name 'Windows Genuine Advantage Validation Notification', and runs automatically during system startup.

Users who view the list of services are told that removing or stopping the service will result in 'system instability'.

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