Exploit for root.
It is the same used in Gingerbreak.
LINK
I recommend reading about it.
Is nothing more than a false positive.
The file is clean.
The same is used in several other smartphones.
https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=king+root+xda+site:forum.xda-developers.com
downloaded & trying now... :fingercross:
will report soon.. :silly:
---------- Post added at 12:41 PM ---------- Previous post was at 12:24 PM ----------
its different than what you have showed in screenshots
steps I done
1. Downloaded
2. Installed
3. agreed to T&C something like : Dont install this app blah blah. :crying:
4.
As net was OFF it was asking for turn it ON 
5. after turning ON, Root tab clicked
6. 2 more tab's clicked
7.
again warning : Dont install this app blah blah.

8. waited for some time to finish
9. download root checker :silly:
10.
Congratulations, Its done

11. now let me try root apps
Click Image to Enlarge

---------- Post added at 01:00 PM ---------- Previous post was at 12:41 PM ----------
i need some help with supersu,
Installation failed!
what to do?

:crying:
in terminal when it asked for permission, I pressed enter then again for permission I pressed enter,
then reboot
then supersu normal failed
root access is not properly installed showing now

---------- Post added at 01:48 PM ---------- Previous post was at 01:00 PM ----------
@Andrey Piekas
help.. I am not able to replace to supersu..
Installation failed!