Windows 10 1803
Intel i5 6402p
12gb DDR4
MSI GTX 960 4GB Gaming
H170 Pro MOBO
I had a malware problem from an old Flash drive(I was moving files because internet was slow and I couldn't download)
Clean Install
using Unigine Heaven and Roblox to benchmark FPS and it goes from 120 to 60 to 120...