7/30: Checkout!1294F6 Worm Spreads Via MSN Messenger
W32/Checkout!12942F6 is a worm that spreads via MSN Messenger.
W32/Checkout!12942F6 is a worm that spreads via MSN Messenger. When installed, it sends one or more of the below messages to contact list recipients and send a malicious zip file named myalbum2007.zip (~52 KB).
This worm attempts to detect the infected system's language settings and send instant messages with the corresponding language, and zip attachment.
More information can be found at this McAfee page.