Creative Technology, the makers of the Soundblaster cards, and more recently, the Zen Neon portable music players, confirmed this week that 4,000 of it's shipped Neon music players shipped with the Wullik.b worm that affects Windows computers.
Wullik.b came to the world in 2003 and it attacks all flavors of Windows (except 3.1). It is a worm that copies itself to random locations, and can spread to floppy disks and shared network drives. It was written in Visual Basic. The worm uses the Outlook address book to send itself to others.
Creative posted on their Japanese website the serial number ranges of the devices infected: 1230528000001 through 1230533001680.
Creative apologized for this incident on their Japanese written website.