how to sovld i8552 mt 6572 merapi team

set on virus infected merapi virus not remove adb mode and usb mode try but not sucsse
3 firmeware flashd mobile with sp and merapi tool but blank screen orignal backup ok but infectid virus

i8552 MT6572_150829121421_Scatter ok – Download – 4shared – muhammadnanveed naveed

MT6572_140604194736 By FullFlashPak_Tested Fimrware

Tested file I8552 (sharja Mobile )

help me my problem any idea to blank screen i have orignal backup bin and factroy file allrady work