Twitter, Google and the social networking site Hi5 are being abused in an email campaign to distribute the Prolaco worm. The campaigns have the following characteristics. Note that the email addresses are spoofed.
The malware is known as Worm.Win32.Prolaco.gen (Sunbelt), Worm:Win32/Prolaco.gen!C (Microsoft) and Worm.Win32.Prolaco (Ikarus).
Twitter
From: <invitations@twitter.com>
Subject: Your friend invited you to twitter!
Attachment: Invitation Card.zip (approx 348 kB)
Body [...]
