Some very recently installed app is inordinately draining the battery on my Samsung phone . . .  and I nominate Malwarebytes Mobile for Android as a most likely culprit.  If this is correct, it is probably because this MBAM app insists on running constantly, and doing various things on its own.  I don't see any Settings option to run the app (for Scans or later updates) Manually Only, and there should be.  That is to say, strictly on user demand, not automatically.  I got along fine for a long t