There seems to be a new MSN Virus doing the rounds, in the (now common) guise of a .zip file which (of course) harbours a malicious executable.

In this case, the .zip file has a handily recognisable name:

Check out what happens to your PC if you run the file:

The machine is pretty much buried under a 100% CPU load - if you ever wanted to experience Bullet Time, here it is minus the backflips and machine guns. Here's an example of the kind of messages you can expect to be sent from an infected user:

With regards spread, it seems to be fairly low at the moment. The handful of infections we've seen so far include a number of forum-goers in Singapore and Japan, and a handful of people asking for help in Italian. The messages sent via the infection file seem to be fairly limited, and include:

"Who is this girl?"

"Who is this girl? She said she likes you :D"

We detect this (unsurprisingly enough) as TanyaBabe.

Research Summary Write-Up: Chris Boyd, Director of Malware Research
Additional Research: Deepak Setty, Senior Threat Researcher
Additional Research: Peter Jayaraj, Senior FSL Senior Threat Researcher