I can fix your source code. This is not a virus that is bot. He injects malicious code into your pages. After fix of the code I will give you tips on how to prevent it.
Hello, I can help you clean this up, if the script is infected it can be cleaned, also the MySQL entries, if infected, can be cleaned also.
Preforming a security audit of your account by checking your account will also be included with this bid.