/usr/lib/x86_64-linux-gnu/libasound.so is in libasound2-dev 1.1.0-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libasound.so.2.0.0
/usr/lib/x86_64-linux-gnu/libasound.so.2.0.0