OpenDNS launches tool to combat Downadup virus

Free tool available to businesses and home users.

Published Mon, Feb 9 2009 12:24 PM CST   |   Updated Tue, Nov 3 2020 12:37 PM CST
The downadup virus has been making a few headlines lately as one of the most widespread and potentially dangerous pieces of Malware out. It is estimated that over 10 million systems are infected. The virus works by forcing infected systems to phone home to up to 250 different domains per day.

These domains as of right now have not had any malicious code attached to them but it is only a matter of time before this happens. But OpenDNS has figured out a method for helping Sysadmins and home users alike to deal with this growing threat.

The way this works is to open a free account with OpenDNS and add your IP to your dashboard. OpenDNS will monitor the network and flag any attempt to reach the downadup domains by systems on your network. The service just went into action today so no one knows how well it works just yet but I have setup and account and will be checking back to let you know.

Read more about this here.

OpenDNS launches tool to combat Downadup virus

The company on Monday plans to introduce an addition to its offerings that makes it easy for admins to know if even a single machine has been infected by Conficker. The service will also automatically protect infected machines by preventing them from connecting to rogue servers controlled by the malware authors.

That's a pretty tall order given that Conficker, which also goes by the name Downadup, instructs its drone machines to report to 250 different internet addresses each day. Without the service, admins would have to manually block 1,750 domains each week, or 91,250 each year.

The service will also help network admins to quickly pinpoint any infected machines by checking their OpenDNS Dashboard. Starting Monday, any networks with PCs that try to connect to the Conficker addresses will be flagged on an admin's private statistics page. The service is available for free to both businesses and home users.

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