/usr/share/ is in usb-creator-common 0.2.56.3ubuntu0.1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/polkit-1/
/usr/share/polkit-1/actions/
/usr/share/polkit-1/actions/com.ubuntu.usbcreator.policy
/usr/share/usb-creator/
/usr/share/usb-creator/usb-creator-helper
/usr/share/usb-creator/ubuntu-nexus7-USAGE-NOTICE-en.txt
/usr/share/apport/
/usr/share/apport/package-hooks/
/usr/share/apport/package-hooks/source_usb-creator.py
/usr/share/doc/
/usr/share/doc/usb-creator-common/
/usr/share/doc/usb-creator-common/copyright
/usr/share/doc/usb-creator-common/changelog.gz
/usr/share/dbus-1/
/usr/share/dbus-1/system-services/
/usr/share/dbus-1/system-services/com.ubuntu.USBCreator.service