What is the best miner to use?

I'm currently running ccminer 32bit 2.2.3 and thats working better than 64 bit by a few hashes. I've noticed some optimised miners, but they seem to have virus's in them.... I've also noticed that the suprnova hash rate is well down on my stated hash rates, by about 25%+... which is also consistent with claimed daily rates with what to mine etc....

SO I'm probably using the wrong pool, and/or the wrong miner....

Assistance appreciated.

cheers,
B