I also had a virus detection. It's harmless dont worry. when i looked it up it the same some steam-games have so its cool. you can put them on exception just as mentioned above
allright, thanks guys. just made me concerned about it. guess we all wait for it. see you there!
EDIT: ok it was the HEUR/APC (Cloud) Virus. its harmless.
I noticed something on my last booster. I think the image of Brannoc is replaced with thunderstorm. so when you open the deck and you are supposed to get brannoc it shows you the card thunderstorm... not that important i know. just noticed