Server hacked

Question

Dear All

Can anyone help me to clean the windows server2003 which has been attacked by some malware.The virus is creating aspx files with the ssame name which are existing there by adding e or some other alphabetic at the end.They are creating replica of files.Any one here who can sort this out or help me i am in big problem.Help me i will pay for the work.Please mail me on [email protected]

Also looking for sever adminstrator