/usr/lib/libHYPRE_sstruct_ls.so is in libhypre-dev 2.4.0b-7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libHYPRE_sstruct_ls-2.4.0.so
/usr/lib/libHYPRE_sstruct_ls-2.4.0.so