Mozilla has found and removed a virus from its Vietnamese language pack for their Firefox 2 browser. The virus loads remote content, showing the unwitting users unwanted advertising, but does not propagate the virus itself to others. Everyone who downloaded the most recent Vietnamese language pack since February 18, 2008 got an infected copy.  While we cannot determine the exact number of compromised downloads, there have been 16,667 total downloads of the Vietnamese language pack since November 2007, so