Are you sure it's been hacked? If you have a security program installed, such as Norton, and it is active, it may just be a glitch in the phone. You may have recently downloaded an apps which is acting the bad one.
Hello Jesse_D, I can understand your concerns about the security of your phone. The problem with your phone is most likely a software issue. I'm not sure about the background picture. If your security is turned on, you're ok to continue using your device.
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