/usr/lib/happycoders/libdbg.so is in happycoders-libdbg 1.2-2ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/happycoders/libdbg.so.0.1.2
/usr/lib/happycoders/libdbg.so.0.1.2