| Mydoom and Doomjuice Worm Removal Tool: File Name: FxMydoom.exe
Source: Symantec
Size: 153 KB (156,816 bytes) 
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What You Should Know About the Mydoom and Doomjuice Worm Variants
Important New Information
A new worm, which infects computers that are already infected with the Mydoom worm, has been detected on the Internet. This new worm is known as Doomjuice (a.k.a. Mydoom.C) and is currently spreading to computers that were already infected with Mydoom.A. Doomjuice and its variant, Doomjuice.B, cause computers to be used in attacks against other computers on the Internet. Infection by Doomjuice can degrade both computer performance and network connections.
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Customers who have successfully removed Mydoom.A from their computers are not at risk for Doomjuice (Mydoom.C) infection.
To determine whether your computer is infected with Mydoom.A, Mydoom.B, or Doomjuice, and to help remove the virus if your computer is infected, follow the instructions below. If you are infected, follow the steps on this page to remove the virus. If your computer is not infected, we still recommend that you go to the Protect Your PC site to check that your machine has a firewall installed and that your antivirus software is up to date.
Installing and Enabling a Firewall
If you do not already have a firewall installed on your computer, we recommend that you do so immediately. A firewall is a piece of software or hardware that creates a protective barrier between your computer and potentially harmful content on the Internet, such as viruses and worms. A firewall also helps guard your computer against hackers. You will find a comprehensive guide to installing and enabling a firewall on the Microsoft Protect Your PC site.
How to Tell If Your Computer Is Infected with Mydoom.A, Mydoom.B, or Doomjuice and Remove Them from Your Computer. To find out whether your computer is infected, use one of the following procedures.
| If you use Microsoft Windows® XP, Windows 2000, Windows 98, Windows Me, Windows Server 2003 |
| You can use the Mydoom and Doomjuice Worm Removal Tool on the Windows Update website to help detect and remove the Mydoom.A, Mydoom.B, and Doomjuice worms. Use Windows Update to scan your computer. If your computer is infected, the removal tool will be identified by the number "836528" in the "Critical Updates and Service Packs" section of the Windows Update website. Install the update to automatically scan and clean your computer.
Check For and Remove Mydoom and Doomjuice Infection |
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What to Do If You Are Having Trouble Accessing Some Sites on the Internet
If your computer is infected with the Mydoom worm or one of its variants, contact your antivirus vendor for the latest updates and information. Mydoom.B has a side effect that prevents access to some antivirus vendors' websites. If you are unable to access your antivirus vendor's website, you can regain access to that website by following one of the procedures shown just below.
If you know someone whose computer is infected with the Mydoom.B variant, that person may not be able to access this Web page. It would be helpful to tell that person that the same information that you see on this page can be found at: https://information.microsoft.com/security/antivirus/mydoom.asp
Note If you see a Security Information dialog box with the message "This page contains both secure and nonsecure items. Do you want to display the nonsecure items?", click No.
If you use Windows XP, Windows 2000, Windows 98, Windows Me, or Windows Server 2003
You can use the Mydoom and Doomjuice Worm Removal Tool available in the Download Center to easily help detect and remove the Mydoom and Doomjuice worms, which will also restore access to the websites blocked by Mydoom.B.
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Visit Antivirus Software Vendors for More Information
If your computer is infected with either Mydoom or Doomjuice and you need technical assistance, contact your antivirus vendor or Microsoft Product Support Services for help removing the worm.
For Microsoft Product Support Services in the United States and Canada, call toll free (866) PCSAFETY (727-2338).
For Microsoft Product Support Services outside the United States and Canada, visit the Product Support Services Web page.
Find additional information and resources from antivirus software vendors participating in the Microsoft Virus Information Alliance:
McAfee
Trend Micro
Symantec
Computer Associates
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