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It's the Sprint Connections Optimizer. So far, the only solution I can figure out is to force stop it, but that's only temporary. I'm sure there is a more permanent solution, but I'm still looking for it as of now.
EDIT--Found it. Menu>Settings>Under Wireless and Networks choose More>Mobile Networks>Sprint Connections Optimizer>Uncheck the box for it. Just did this to mine, hopefully that will kill it for good.