help me with M4 /M4 ??

Hello;
my sister left me this smartphone to see if it has a solution, had 20 viruses and Trojans, remove them with CM security but the phone no longer turn on the menu, enter download mode and recovery (only in Chinese), I need a compatible ROM with this mobile, you can help me? excuse my English, thanks



the photos were taken when the cell is infected and you could access the menu / beginning of it, now will not start in normal mode :(
I can not upload photos
Info:
Mediatek MT6572
cores 2
architecture 2xARM cortex A7 @ 1,20
Model M4 (M4)
manufacturer M4
brand xiao mi
board yuanda72_cwet_kk
Hardware mt6572
screen size 4,08 "
Android version 4.4.2
API level 19
bootloader unknown
Build ID M4 EB 20150319. 112002
Java VM Dalvik 1.6.0
OpenGL ES 2.0
Kernel architecture armv7l
kernel version 3.4.67 (eng.root. 1426735050)

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