/usr/ is in libplexus-cipher-java 1.7-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/java/
/usr/share/java/plexus-cipher.jar
/usr/share/maven-repo/
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/sonatype/
/usr/share/maven-repo/org/sonatype/plexus/
/usr/share/maven-repo/org/sonatype/plexus/plexus-cipher/
/usr/share/maven-repo/org/sonatype/plexus/plexus-cipher/debian/
/usr/share/maven-repo/org/sonatype/plexus/plexus-cipher/debian/plexus-cipher-debian.pom
/usr/share/maven-repo/org/sonatype/plexus/plexus-cipher/1.7/
/usr/share/maven-repo/org/sonatype/plexus/plexus-cipher/1.7/plexus-cipher-1.7.pom
/usr/share/doc/
/usr/share/doc/libplexus-cipher-java/
/usr/share/doc/libplexus-cipher-java/changelog.Debian.gz
/usr/share/doc/libplexus-cipher-java/copyright
/usr/share/java/plexus-cipher-1.7.jar
/usr/share/maven-repo/org/sonatype/plexus/plexus-cipher/debian/plexus-cipher-debian.jar
/usr/share/maven-repo/org/sonatype/plexus/plexus-cipher/1.7/plexus-cipher-1.7.jar