/usr/lib/ is in repetier-host 0.85+dfsg-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/repetier-host/
/usr/lib/repetier-host/RepetierHost.exe
/usr/lib/repetier-host/data/
/usr/lib/repetier-host/data/custom.ini
/usr/lib/repetier-host/data/default/
/usr/lib/repetier-host/data/default/syntax_en.xml
/usr/lib/repetier-host/data/translations/
/usr/lib/repetier-host/data/translations/cz.xml
/usr/lib/repetier-host/data/translations/de.xml
/usr/lib/repetier-host/data/translations/en.xml
/usr/lib/repetier-host/data/translations/es.xml
/usr/lib/repetier-host/data/translations/fr.xml
/usr/lib/repetier-host/data/translations/it.xml
/usr/lib/repetier-host/data/translations/jp.xml
/usr/lib/repetier-host/data/translations/lv.xml
/usr/lib/repetier-host/data/translations/nl.xml
/usr/lib/repetier-host/data/translations/pt.xml
/usr/lib/repetier-host/data/translations/ru.xml
/usr/lib/repetier-host/data/translations/zh.xml