This affected me too. I noticed it this morning when my network connection had many gigs of traffic but all I was doing was web browsing.
I was able to stop it after a bit of work by changing permissions on the "hosts" file that is in the "C:\Windows\System32\drivers\etc" directory/folder and the editing the file to add the line "127.0.0.1 utopia.net" (without the quotes). Now I am back to having the typical "hsd1.mn.comcast.net" DNS listed instead of the utopia.net.
I hope that if I exceed the one terrabyte limit this month, Xfinity doesn't charge me or take one of the courtesy months away.
Does anyone know if a typical user is able to detect these kind of attacks if their internet doesn't seem slowed by them? Is there software available to guard against it?
Thank you and good luck!
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