/usr/lib/libHYPRE_krylov.so is in libhypre-dev 2.8.0b-1build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libHYPRE_krylov-2.8.0b.so
/usr/lib/libHYPRE_krylov-2.8.0b.so