Which site are scam?

In PTC Scam List we can find:

• Sites which does not pay or does not pay to all members (Our polls show 95% of members are honest);
• Sites which sell dreams or promise high earnings (More than $0.01 per click for free members make that site suspicious);
• Sites which make selective payments;
• Sites owned by a dubious person or old scammer;
• Sites which cannout justified their "Total Paid" with payments proof (print screen) in forum;
• Sites which contain viruses;
• Sites which make E-mail Spam;
• Sites which no has forum or TOS;
• Sites which are abandoned, derelicts or have disappeared;
• Sites which have free script, free domain or low script;
• Sites which use a illegal license;
• Sites which scam name;
• Sites which redirect you;
• Stes that we do not recommend them