/usr/lib/libparagui.so is in libparagui1.1-dev 1.1.8-3.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libparagui-1.1.so.8.0.0
/usr/lib/libparagui-1.1.so.8.0.0