eWeek reports that a new MSN Messenger Trojan is infecting hundreds of PCs per hour since it was launched yesterday. The speed of infection's a big concern, but what's even worse is how it works.
The Trojan gathers contacts from infected PCs, and uses them to spread itself to new victims. In the best social-engineering tradition, users who are expecting to get a picture from a friend wind up getting infected instead.
[Corrected per updated eWeek article- see comment below]
The infection and distribution techniques are all too familar, but the difference is that this Trojan isn't just gunning for physical PCs, but also for virtual network connections (VNCs). VNCs are widely used for
machines (VMs). VMs are becoming very popular for hosting guest operating systems (Windows on MacOS, Vista on XP, etc.), in security appliances, and elsewhere.
So, what can you do to stop this threat?