Cannot remove QQ Doctor

[malayo]

Since I bought kaspersky mobile security, I'd like to remove QQDR but could not find it on googleplay.

Phone: ninetology i9400
Android 4.0.4

 

[Phatninja55]

Go to settings -> application -> manage apps -> find it -> click it -> click uninstall

 

[malayo]

Apparently it is because default installed by manufacturer, so I need to root it.