http://battlelog.battlefield.com/bf4/user/HowToGetPositive/
This is xVitiam and Generationandi aka awfulCobalt aka JooonzT playing on this account.
linked to :http://battlelog.battlefield.com/bf4/user/JooonzT/
AND MAYBE http://battlelog.battlefield.com/bf4/user/foryViTiAM/
They are known cheaters and server crashers.
Mostly on account playing Jooonzt, but vitiam used it once.
Banned.