You can change your ECOMHUNT account email address and password from the "Manage Profile" option under your account name at the right top corner of the screen (You can also click here ).
You will get in this page:
Changing Email Address
Type in your new email address, old password and confirm your new password, then save changes. Take note that you can have only one ECOMHUNT account registered with one email address.
In order to change your ECOMHUNT account password, you will have to write your new password and confirm it too.