/usr/lib/libmulticobex.so.1 is in libmulticobex1 0.23-1.2ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libmulticobex.so.1.0.1
/usr/lib/libmulticobex.so.1.0.1