Please help.

I am using WinXP home edition. When I look at the Local Area Connection Status. I can see 700,000,000,000,000 Packets sent, and only 5,600 Packets received.

I disable system restored.
I have AV scanned using Norton, then McAfee. It found nothing.
I have used The Cleaner, Ad-Aware, Spybot, TDS-3. They found nothing.
I looked in regedit at the location "run" and there is nothing.

Is there a trojan, worm or is my computer a Zombie?

What should I do?

Please help.