/usr/lib/libclam_qtmonitors.so is in libclam-qtmonitors-dev 1.4.0-3.1build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libclam_qtmonitors.so.1.4.0
/usr/lib/libclam_qtmonitors.so.1.4.0