While Live OneCare did manage to spot 100% of the macro viruses it was tested against, it missed some wild viruses, polymorphic programs and file infectors.
Even worse, it appears that BadNews is polymorphic, that is, it changes its own code structure depending on its deployment parameters making it considerably harder to detect and remove.
The Virus Bulletin tests try to catch out anti-virus software with a variety of malicious programs including bots and worms known to be spreading online, file infectors, polymorphic and macro viruses.