I don't know if it's a false positive (you can't even download Electrum these days without a bunch of sites stating it's harmful on Virustotal )...
I found this link in
@francispouliot tweet
[1], I read all the responses, "some of them are from well-known people," and no one ever gave a warning about it so I think it is safe.
Who trusts anti-virus? I stopped using it form a while, I am permitting trusted open-source apps as well as opinions of trusted people.
[1]
https://twitter.com/francispouliot_/status/1125139855313387520