Bienvenido! - Willkommen! - Welcome!

Bitácora Técnica de Tux&Cía., Santa Cruz de la Sierra, BO
Bitácora Central: Tux&Cía.
Bitácora de Información Avanzada: Tux&Cía.-Información
May the source be with you!

Tuesday, February 24, 2009

Removing Downadup / Conficker Virus

I've been able to recover several PCs using a few simple tools. But it make take time for these to run. Do not be fooled if your anti-virus software declares your system 'clean.' We constantly update this page with the latest fixes - please contact us with yours at!

Latest Fix You can first try the Microsoft Windows Malicious Software Removal Tool (KB890830). If you have this virus, you may find all sites hosting tools that can help you may be blocked. Normal download of the removal tool: Windows x86 Windows x64

Since "" may be blocked, try accessing the tool via Microsoft's content distribution network:

For Vista x64, Windows XP x64 and Windows 2003 x64 computers, use:

If you aren't sure if you are running 32-bit Windows or 64-bit Windows, check here.

Server and Network Troubleshooting Extreme Security has posted a battle-tested approach to fighting downadup in a networked environment with additional steps and assistance. If you are in a networked environment, review his case study before continuing.

Use OpenDNS To Stop Badware From Calling Home
OpenDNS is a free service that now fights Downadup / Conficker. We've used OpenDNS for years to block malware, porn, and other sites at our home computers. OpenDNS provides free security and infrastructure services for integrated Web content filtering, anti-phishing and DNS.
Its relatively simple to switch your home or business network to OpenDNS.
Scan for Remaining Infected Files and Drives
At this point, you should be able to update your antivirus software. If it is still not functioning, try the free ClamWin program for Microsoft Windows 98/Me/2000/XP/2003 and Vista. ClamWin Free Antivirus comes with an easy installer and open source code. You may download and use it absolutely free of charge. It features:

  • High detection rates for viruses and spyware.
  • Scanning Scheduler
  • Automatic downloads of regularly updated Virus Database
  • Standalone virus scanner and right-click menu integration to Microsoft Windows Explorer
  • Addin to Microsoft Outlook to remove virus-infected attachments automatically

Your Windows Registry is still messed up at this point - your computer is not fixed! Make sure to continue on. Restart Windows in normal mode.

Fix Windows Registry Issues This and many other viruses modify your Windows Registry. Most users already have Registry problems. The Windows registry is a directory which stores settings and options for your operating system, hardware, software, and user settings. First, try using the free scan from RegDefense to check your registry.
... more

No comments: