General Galaxy S3 owners, please help! Is this normal, or have I been hacked?

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http://androidforums.com – Alright, so I was browsing some potentially murky/unsafe websites on my Galaxy S3 when I had a horrible system crash, and ever since this crash I've noticed some strange things going on on my phone: 1. Everything is noticeably slower, and there are occasional 3-5 second freezes. 2. If I use OS Monitor to examine system activity, I always see a process listening on a bunch of ports like 55555 and 55556, but the name of this process is different every time I look. 3. If I go into Settings -> Application Manager -> All, click on the current name of the app listening on the (General)