Shades of “Back Door”!
Are you sure you’re really connecting to swcdn.apple.com? DNS poisoning attacks are common these days. Do you have the actual IP address you connected to?
He’ll know a bit more about the Apple side
This can be a false alarm.
I don’t like it use the Apple update. I just download and re-run the whole iTunes installer. Once I did an update and the CD drive became in-accessable.
www.virustotal.com will scan any file against two dozen anti virus programs. Then in doubt, use that.
False positive from AVG, I expect.
There are updates to iTunes available, but It should not have any viruses attached to it. It is a digitally signed software from Apple. That is a correct domain associated with Apple Canada. Are you in Canada? If not, you should not be downloading from there, but from a USA Apple source to get the right download file.
FBI/NSA getting even! : )