/usr/lib/ is in libencode-detect-perl 1.01-4build1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Encode/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/perl5/
/usr/lib/x86_64-linux-gnu/perl5/5.22/
/usr/lib/x86_64-linux-gnu/perl5/5.22/Encode/
/usr/lib/x86_64-linux-gnu/perl5/5.22/Encode/Detect.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Encode/Detect/
/usr/lib/x86_64-linux-gnu/perl5/5.22/Encode/Detect/Detector.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Encode/Detect/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Encode/Detect/Detector/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Encode/Detect/Detector/Detector.so
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Encode/Detect/Detector/Detector.bs