If clamavconnector is installed, uninstall it via WHM. If clamavconnector is not installed, try the following to completely remove any installs of clamav and reinstall the correct one:
killall clamd rpm -e clamav-db clamd clamav clamav-devel /bin/rm -Rfv /usr/bin/clam* /bin/rm -Rfv /usr/sbin/clam* /bin/rm -Rfv /usr/lib/libclam* /bin/rm -Rfv /usr/share/clam* /bin/rm -Rfv /usr/include/clam* /bin/rm -Rfv /usr/bin/freshclam* /bin/rm -Rfv /usr/etc/clamav* /bin/rm -Rfv /usr/local/bin/clam* /bin/rm -Rfv /usr/local/sbin/clam* /bin/rm -Rfv /usr/local/lib/libclam* /bin/rm -Rfv /usr/local/share/clam* /bin/rm -Rfv /usr/local/include/clam* /bin/rm -Rfv /usr/local/bin/freshclam* /bin/rm -Rfv /usr/local/etc/clamav* useradd clamav groupadd clamav
