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Windows home server infected

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#1 4CNC


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  • Local time:05:03 PM

Posted 28 August 2010 - 04:24 AM


This my first post to this forum. I have an infected Windows Home Server. I suspect a rootkit.

I have intalled a registered copy of Malwarebytes, realtime protection and website blocking is enabled.

A scan reveals nothing, but the real time blocking is blocking an attempted connection to a suspect website when I open a browser window (using remote desktop from a laptop).

As soon as I log on to the server my ADSL router emails me a security alert to warn of DOS (denial of service) attacks pointed to the WHS at port 18837 example below:-

UDP Packet - Source:,18122 Destination:,18837 - [DOS]
UDP Packet - Source:,6881 Destination:,18837 - [DOS]
UDP Packet - Source:,24491 Destination:,18837 - [DOS]
UDP Packet - Source:,43927 Destination:,18837 - [DOS]
UDP Packet - Source:,24997 Destination:,18837 - [DOS]
UDP Packet - Source:,29631 Destination:,18837 - [DOS]
UDP Packet - Source:,37847 Destination:,18837 - [DOS]
UDP Packet - Source:,29015 Destination:,18837 - [DOS]
UDP Packet - Source:,13524 Destination:,18837 - [DOS]
UDP Packet - Source:,51413 Destination:,18837 - [DOS]

My home server has one system disk and three 500GB data disks in native mode that WHS is managing.

What should I do next?

I am considering putting in a new clean system disk and re-installing WHS leaving the data disks in place. Will that remove remove the rootkit completely, or do I run the risk that whatever put it there is lurking somewhere on the data disks?

Or is there anyting else that will remove the rootkit from the WHS?


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