Need Advice about this problem

Its 3-4 time that happen , so being concerned

1st. Problem
Read firmware with CMT but when i try to write flash


Card found : S/N : Cxxxxxxx , v0129
Chinese Miracle II  [MTK module] v 1.40

Unsupported Yet( or bad ) file selected!

I had this problem few times on different models.

2nd Problem
Phone was Virus infected but SW wont remove it
Readed SM-g9008 then try to Flashed with different software.
Neither helped me, Then Flashed with readed flash now Set turn ON and stay on white screen.

About 2nd Problem i really need your advice.

Thanks in Advanced