2.5% if your main currency isn't $ and you gain $, and 5.4% too if the sender pays with a credit card instead of paypal funds.
So if youur main currency isnt USD, and the sender sends USD with a card, it would be a 7.9% fee on it.
Yes if your account is suspended for more than 14 days, it will automatically be terminated.
If it wasn't suspended, Please post a support ticket at http://support.x10hosting.com
You could go inside "report" to check all warnings it found. It basically is files that aren't in the definitions, but seems like using methods a virus does.
No it's not a 403, it's a blacklist. And a CHMOD to 777 wil only give 500 forbidden errors since it isn't allowed. The highest allowed CHMOD is 755.
Please post a support ticket at http://support.x10hosting.com