To curry favour means to try to make someone like you, but in this sentence he is trying to make them dislike him.
Context: His colleagues didn't come to his aid because he hadnt gone out of his way to make them dislike him and put them off.
Hypothesis: His colleagues didn't come to his aid because he hadnt gone out of his way to curry favour with them.

Given this context, is the hypothesis true (Yes/No/I don't know)?