No... I haven't read that one...
Well, even if he had found out everything on Endar Spire, I don't think he would have had a choice, as he was cut off from the Force and was being hunted... it's unlikely that Malak's plan was to restore the Sith Empire to Revan...
But they couldn't hunt him because, by that time, Malak didn't know that Revan was still alive! But it seems to me that, given his character, he could have recovered and regained his power on his own... Although, he could have returned to the Haven...