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user.js
[Profile]/extensions/firefox@ghostery.com/defaults/preferences/defaults.js
[Profile]/extensions/superstart@enjoyfreeware.org/defaults/preferences/defaults.js
[Profile]/extensions/{1018e4d6-728f-4b20-ad56-37578a4de76b}/defaults/preferences/defaultpreferences.js
/usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/ubufox@ubuntu.com/defaults/preferences/ubuntu-mods.js
/usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/ubufox@ubuntu.com/defaults/preferences/000system.js
/usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/ubufox@ubuntu.com/defaults/preferences/ubufox.js
/usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/ubufox@ubuntu.com/defaults/preferences/dist.js
/usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/ubufox@ubuntu.com/defaults/preferences/ubufox-pfs.js
[Profile]/extensions/{bee6eb20-01e0-ebd1-da83-080329fb9a3a}/defaults/preferences/prefs.js