It's a very messy subject with this token...
So..

http://www.ethergold.io
Domain Creation Date:2017-09-25
Registry Expiry Date: 2018-09-25
REGISTRANT CONTACT IS PRIVATE

and

http://www.ethereumgold.io
Domain creation Date: 2017-10-10
Expiry Date: 2018-10-10
REGISTRANT CONTACT IS PRIVATE

these two websites seems to have a connection with the official website https://ethereumgold.info
Registration Date:2017-10-14
Expiration Date:2018-10-14
REGISTRANT CONTACT:
Name:ethereum gold
Street:27 Myra Hess Close
City:NEWPORT
State:Newport
Postal Code:NP19 9GX
Country:GB
Phone:+44.07530639040
Email:email@gmail.com

And there are another two websites registered, that are closer with this subject (with the name) ..  momentanly are not active (but are there)

ethereumgold.com (not active)
Registration Date:2014-01-17
Expiration Date:2018-01-17
REGISTRANT CONTACT
Name:ANDREW W
Organization:BITCOINDEBIT.COM
Street:123 ELK GROVE
City:ELK GROVE
State:CA
Postal Code:94905
Country:US
Phone:+1.7072345678
Fax:+1.5555555555
Email:email@GMAIL.COM

and

ethereumgold.org (not active)
Registration Date:2017-10-02
Expiration Date:2019-10-02
REGISTRANT CONTACT IS PRIVATE

So.. as i said, it's a very messy subject with Ethereum Gold.. no official person nowhere  say nothing about it .. i don't want to say is a SCAM, but i don t understand why the Ethereum Gold creators are hidding .. if i were the creator, for me it would be an honor to promote my creation and to speak about it!! In this case the probability to be a SCAM is 50/50.
Only the time will show us if is real story or a SCAM.