Why is hiveos.farm trying to propagate Trojans?
https://www.reddit.com/r/EtherMining/comments/8fc5ra/warning_hiveosfarm_attempting_to_install_trojan/
https://www.reddit.com/r/EtherMining/comments/8fc5ra/warning_hiveosfarm_attempting_to_install_trojan/
It isn't.
Babbling your nonsense in multiple forums doesn't make it so.
Perhaps you would speak to why Avast thinks it is?