/usr/ is in libghc-puremd5-prof 2.1.2.1-3build3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/libghc-puremd5-prof/
/usr/share/doc/libghc-puremd5-prof/copyright
/usr/lib/
/usr/lib/haskell-packages/
/usr/lib/haskell-packages/ghc/
/usr/lib/haskell-packages/ghc/lib/
/usr/lib/haskell-packages/ghc/lib/pureMD5-2.1.2.1/
/usr/lib/haskell-packages/ghc/lib/pureMD5-2.1.2.1/ghc-7.6.3/
/usr/lib/haskell-packages/ghc/lib/pureMD5-2.1.2.1/ghc-7.6.3/libHSpureMD5-2.1.2.1_p.a
/usr/lib/haskell-packages/ghc/lib/pureMD5-2.1.2.1/ghc-7.6.3/Data/
/usr/lib/haskell-packages/ghc/lib/pureMD5-2.1.2.1/ghc-7.6.3/Data/Digest/
/usr/lib/haskell-packages/ghc/lib/pureMD5-2.1.2.1/ghc-7.6.3/Data/Digest/Pure/
/usr/lib/haskell-packages/ghc/lib/pureMD5-2.1.2.1/ghc-7.6.3/Data/Digest/Pure/MD5.p_hi
/usr/share/doc/libghc-puremd5-prof/changelog.Debian.gz