What is the problem with Traffic2coins ptc site?

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I am a member of Traffic2coins site which was a ptc site. When i was opening this site then 247bux is opening instead of Traffic2coins. Was Traffic2coins scam? How it is happening when we write a correct address in browser and browser opens another link. Is it concerns to each other or something else? Pay out of Traffic2coins was 0.50$ paid in paypal. I had requested for payment withdraw but still payment was pending.