tricky trojen took my original home launchers really need help

HELLO a trojen has embedded itself into my xperia z3 its taken away my original home screen launcher and my simple home screen so when i reboot into safe mode to try rid safe mode becomes usless i have no dam back ups off these system launchers and i cant find a way around it i feel if i had a zip of these system apps i could flash them back on through twrp no anti virus can remove this thing even when cm gohst tojen trys it crashes the app so i just dont no what to do any help guys would be much appriciated i no i can do a full wipe but would really only like to do this as last resort this thing is uninstalling apps its crazy i never seen nothing like it before so guys if u can please help if anyone has a flashable zip file of xperia z3{d6603} simple home handy

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