When I was in middle school orchestra, one of my friends had an el-cheapo violin with that 'orible orange varnish and the label "Stradivarius". We called it the "Stradivarius Oklahomus".I used to play a "Stradivarius" bass as well as a "Stradivarius" trombone. All those violins he made were just to support his real passion, trombones.
Seriously though, those instruments weren't fraudulent, they just had silly model names.