Secure a dedicated windows server on Plesk + remove of script

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:

I'm an ASP developer, running my own websites on a Virtual Server thats runs under Windows 2008 Server + Plesk 11.0.9

Recently, a malicious script with a 1px iframe > was added to several .html pages.

I have downloaded the Kaspersky AVZ Tool, and the result is that the virus write itself inside several Plesk DLLs.
I suspect it comes from an SQL injection on Plesk.

I need someone with Plesk and Windows Server 2008 knowledge able to secure the "hole" + and make security adjustments , in order to avoid future attack.
If necessary, I am planning to set up the Kaspersky Anti-Virus for Windows Servers Enterprise.
I think i'm close, but stuck at the moment!

I can furnish:

- A Link to download Kaspersky AVZ Removal Tool. It also gives a lot of informations that you will be useful for you in this mission

- A Link to Kaspersky Anti-Virus for Windows Servers Enterprise + a 30 day license that i need to test. I will buy a license once the server is secured.

- An example of a corrupted .html file

- The name of some corrupted .dll files the virus replicates in.

Additional Project Description:
05/19/2013 at 14:48 AKDT
* It seems that it is not possible to avoid the initial virus intrusion, because of the hacker computer testing my server every second ! So even if i reset the Virtuozzo container, once it is clean (no domains installed, just plesk and IIS), the system gets infected by the remote script.

Skills required:
About the employer:
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