What is an email message that warns users of a nonexistent virus?

There was an e-mail hoax that circulated at least as early as 2003, warning users of a virus that passed itself automatically via e-mail and messenger to all contacts in the user's address book. The e-mail message instructed users to search for a file called jdbgmgr.exe, and if it was found on the computer, to select all files found and delete them. The e-mail was very successful, since the file in question is a common Windows file (that is quite legitimate), however, it has a teddy bear icon that makes it look quite out of place for a Windows file. Luckily, deleting the file is not harmful to a user unless they happen to program in J++, in which case the user would hopefully be savvy enough to not fall for this hoax.

NOTE: The file jdbgmgr.exe is a legitimate file. It is not a virus, and does not need to be deleted. The e-mail cited above was a hoax. It is quite possible that it is still in circulation.