samsung s6 clone mtk6572 nand storage

pls help bro , i have in mine now samsung s6 mtk6572 clone NAND storage..
first its infected by virus only,
then i remove it in NCK BOX malware, maybe im so careless i remove even some system
in it…. now im facing a s6 clone in Hang on Android only….. itz been almost a month…
i had so many roms ive downloaded , but still it doesnt work pls help brothers:

here is the list of rom that did not success::

SM-G920F S6 CLONE hmanogangcar
SM-G9200 G6

pls help i need this rom very badly….