/usr/lib/x86_64-linux-gnu/libmate-menu.so.2 is in libmate-menu2 1.12.0-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libmate-menu.so.2.4.9
/usr/lib/x86_64-linux-gnu/libmate-menu.so.2.4.9