/usr/lib/libusbprog.so.0 is in libusbprog0v5 0.2.0-2.2build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libusbprog.so.0.3.0
/usr/lib/libusbprog.so.0.3.0