Bagle worm discovered

It would seem the tersely worded email sent by the newly discovered Bagle worm would be enough to tip off potential victims. However, in spite of the email's non-existent social engineering, MessageLabs email service provider reported stopping 900 copies of the Bagle-infected email within hours of its January 18th discovery. Less than 12 hours later, nearly a hundred thousand Bagle infected email had been intercepted.
Users fail the Bagle worm test | Bagle worm description