I'm currently running Norton 360 and it doesn't see any viruses in any of the BDO files (nor anywhere else on the machine). However, recently it has started complaining about the executable and I'm not sure what is going on exactly. It seems to be generating attempts every 2 minutes and 2 seconds on the dot. Anyone else having this issue? I've made a support ticket, but figure I'd report it here too to see if anyone else has had this issue and has a solution.
My first tip for you is: Don't use Norton (or any other Antivirus App you have to pay for).
Free Antivirus Apps (eg. Avast Free or Microsoft Defender) are as good as the paid apps and sometimes even better.
Here is a website where they test antivirus apps each month: https://www.av-test.org/en/antivirus/home-windows/
(change sorting to Protection.)
If you want stay with Norton, you should set an exclude for your BDO install folder.