>>This is the same serial number that was used to catch the Melissa virus perp, isn't it? It's apparently stamped onto Word/Excel files if available, and probably others, as well, I guess...
>
>That was a GUID, which is associated with the development tools, not a specific computer.

I must be confusing detection methods :) But I've been reading about a plan to use computer serial numbers to catch perps (and other uses, as well)...are these the same serial numbers this thread is about?