I got Steam from this website, and it works really well, but could someone do Origin? Not all EA games are on Steam.
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The copy of Steam that you got here is a illegal repack. From what I can tell all the links for it were removed. There were attempts to make it portable but it has stopped. At-least what I could find in a search. Here's a thread to read on that subject: https://portableapps.com/node/32685 also I would recommended you uninstall it and change your password just in-case.
It's going to be the same deal with Origin. So unless EA makes it portable (and they wont) don't get your hopes up.