Originally Posted by rootSU View Post
The logical way would be to reset and install one app at a time, but its a long process.
Could do that or use Greenify and a task manager to see what's running, and to auto kill everything but the essentials with Greenify. Task manager would only be for checking running processes. Grab rom toolbox, it has a task manager and an auto run manager. If I had to guess, it's something that has no business running all the time anyhow.

Google Firmware: Google
USB Drivers: Google | Mirror
ADB+ADB Drivers: 19.0.2 (4.4.4) + Koush Universal ADB Drivers

TWRP Official: hammerhead | flo
TWRP Holofied: hammerhead | flo

Gapps: jajb

Superuser: Chainfire | Mirror