Cox email re: Alureon / TDSS Virus

We run Fedora and Ubuntu systems on our computers. I grep'd both machines looking for key words and I didn't find anything. We also use Apple Ipad, but that's running OS X. From what I read, this virus affects windows XP thru windows 8.

Can Cox pinpoint which MAC address on our network tripped the signal that caused us to get the email? Our Epson printer, maybe?

Thanks, Paul Freeman