high memory usage caused by drwebd.real

[Kingsley]

Hello;

I just moved back to plesk last night, moved 2 of my site to the server, only to get high memory usage caused by drwebd.real.

Centos 7.1
mariadb 10.1
4GB ram and 4 cores.

i have attached screenshots from monitors i use.

 

[Kingsley]

first image from plesk dashboard, second is from nixstat and the third from nodequery..... please i need help