I can confirm this happened to me too. I downloaded the acrobat DC reader because I need to read a PDF file for a Auto cad assembly I need to model in maya. I went to download it, and click on the file it proceeded to install mcfee on my pc didn't even realize it the first time because I was distracted by my 2 year old son. then I saw it installed scanning my system. This garbage needs to not be included at all with software. Very tacky, very unprofessional and puts user's systems at risk. I should make my own decision on which AV software I wish to use. MCafree is absolute garbage. I am not impressed by this behavior from adobe.