Then. Avira 2012 GUI is inspired by Norton (ON-OFF button)
see this about avira and unthreat release. I think Avira release first then Unthreat.
http://www.softpedia.com/progChangelog/UnThreatAntiVirus-Changelog-189518.html (UnThreat ,September 21st, 2011)
http://techblog.avira.com/2011/09/08/avira-products-version-2012-for-windows-now-available-for-beta-testing/en/ (avira 2012 beta, Posted on September 8, 2011, 8:09 am)