Check out the Petition against eBay. It has a list of bad sellers. Unfortunately, there will never be a full list. Scammers change their usernames too often. The petition is about a complete a list as you can ask for because every seller on there is a put there by people who have bought hacked players.
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 ops: 1GB Black Hacked Chipod ops:
2 GB Black Temptation Player 
8) WHITE MEIZU M6 8GB 8) |