I can confirm Creative Cloud has added to my /etc/hosts file.

Adobe secretly modifies your hosts file for the stupidest reason: https://www.osnews.com/story/144737/adobe-secretly-modifies-your-hosts-file-for-the-stupidest-reason/

@marcedwards when they inevitably migrate to a new IP address, Adobe has to update a hosts file on every client's computer with root/system permissions instead of updating their DNS record.
Amazing work, no notes.