There are many different types and colors of this fungus, all of them saprophytic and all do the same thing. Most dog vomit fungi are orangish in color but some are whitish and some even a bluish color. They all resemble dog vomit
Yes its mold, you can scoop out the top part of the soil with mold and garbage it. I put sand on some of my plants. Helps with the mold and fly problem. Now if you start getting mushrooms, repot the whole plant and rinse the roots. Those are a freaking pain!