Whoa, nice work as that's a pile of mass in five days bro. I wouldn't be too worried about fat gain yet though, after all, how much fat could you really put on in five days?
I'd be suspicious that some of the weight is water retention, as you're still getting a decent dose of 4-ad right now, and even with anti-e use I still retain water on the stuff. I've had a bit of a hard time convincing myself to keep my calories up on my own superone+ cycle as water retention looks exactly like fat gain, I look forward to seeing what my results are once I shed the extra water though.