Only unprotected versions of MS Windows, from 98 to 7, are at risk. Thus far, all detected malware are known to security product vendors, so a computer running security software with an up to date definitions file should not have been infected. Also, malware installation would only have occurred if the PC was directly connected to the router by USB.
How did this happen? I don't know whether to laugh or cry.
During the QA checks, a sample of finished products were pulled and checked for defects. Unfortunately, one of the machines used for these quality checks was infested with all sorts of bad stuff. This table from IT Media lists what has been found so far as reported by various security packages. NTT also has a list (PDF) of detected malware.
|Software name||Malware name||Detected File|
|Norton Antivirus |