As an update, I tried downloading/creating some test windows files with viruses, but I’m still receiving conflicting results.

File that correctly reported malware
https://en.wikipedia.org/wiki/EICAR_test_file

File that didn’t report malware
https://www.paloaltonetworks.com/documentation/70/wildfire/wf_admin/submit-files-for-wildfire-analysis/test-a-sample-malware-file