ClamAV GUI version 3.5.1 has been released (2017/08/09).
"This is a GUI front-end for configuring and running the ClamAV anti-virus program, which bundles an XPI for integration with Thunderbird."

ClamAV is available on the Netlabs RPM repository and can be installed with:
yum install clamav clamav-update clamav-server
Source: OS/2 Warp News and Rumors