How :

Hi experts,

  In our Domain, Many Computers are infected By

and the number of that are increising rapidly

we can remove that worm manualy because the intivirus cann't remove it unless through SAVE MODE

Q1-Are There Any Way To remove it Automatically

Q2- How Can I protect the Rest of Our Machine From the Infection,

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Im afraid that there is no automatically removal procedure for this nasty worm!

Your best option is to disconnect the un-infected machines from the domain immediately to protect them, and then run the Updated AV scans on the infected machines one by one to get rid of the virus after disabling system restore

There is a removal tool here

If you are on a network or have a full-time connection to the Internet, such as a DSL or cable modem, disconnect the computer from the network and Internet. Disable or password-protect file sharing, or set the shared files to Read Only, before reconnecting the computers to the network or to the Internet. Because this worm spreads by using shared folders on networked computers, to ensure that the worm does not reinfect the computer after it has been removed, Symantec suggests sharing with Read Only access or by using password protection.

For instructions on how to do this, refer to your Windows documentation, or the document: How to configure shared Windows folders for maximum network protection.

If you are removing an infection from a network, first make sure that all the shares are disabled or set to Read Only.
This tool is not designed to run on Novell NetWare servers. To remove this threat from a NetWare server, first make sure that you have the current virus definitions, and then run a full system scan with the Symantec antivirus product.

How to download and run the tool

Important: You must have administrative rights to run this tool on Windows NT 4.0, Windows 2000, or Windows XP.

Note for network administrators: If you are running MS Exchange 2000 Server, we recommend that you exclude the M drive from the scan by running the tool from a command line, with the Exclude switch. For more information, read the Microsoft knowledge base article: XADM: Do Not Back Up or Scan Exchange 2000 Drive M (Article 298924).

Follow these steps to download and run the tool:
Download the FixMytob.exe file from: 
Save the file to a convenient location, such as your Windows desktop.
Optional: To check the authenticity of the digital signature, refer to the "Digital signature" section later in this writeup.

Note: If you are sure that you are downloading this tool from the Security Response Web site, you can skip this step. If you are not sure, or are a network administrator and need to authenticate the files before deployment, follow the steps in the "Digital signature" section before proceeding with step 4.

Close all the running programs.
If you are on a network or if you have a full-time connection to the Internet, disconnect the computer from the network and the Internet.
If you are running Windows Me or XP, turn off System Restore. For instructions on how to turn off System Restore, read your Windows documentation, or one of the following articles:
How to disable or enable Windows Me System Restore
How to turn off or turn on Windows XP System Restore

Locate the file that you just downloaded.
Double-click the FixMytob.exe file to start the removal tool.
Click Start to begin the process, and then allow the tool to run.
Restart the computer.
Run the removal tool again to ensure that the system is clean.
If you are running Windows Me/XP, then reenable System Restore.
If you are on a network or if you have a full-time connection to the Internet, reconnect the computer to the network or to the Internet connection.
Run LiveUpdate to make sure that you are using the most current virus definitions.

When the tool has finished running, you will see a message indicating whether the threat has infected the computer. The tool displays results similar to the following:
Total number of the scanned files
Number of deleted files
Number of repaired files
Number of terminated viral processes
Number of fixed registry entries

What the tool does

The Removal Tool does the following:
Terminates the associated processes
Deletes the associated files
Deletes the registry values added by the threat
Repairs the hosts file


The following switches are designed for use by network administrators:



/HELP, /H, /?
Displays the help message.

Disables the registry repair (We do not recommend using this switch).

Enables the silent mode.

Creates a log file where [PATH NAME] is the location in which to store the tool's output. By default, this switch creates the log file, FixMytob.log, in the same folder from which the removal tool was executed.

Scans the mapped network drives. (We do not recommend using this switch. See the following Note.)

Forces the tool to immediately start scanning.

Excludes the specified [PATH] from scanning. (We do not recommend using this switch. See the following Note.)

Prevents the scanning of the file system.

Important: Using the /MAPPED switch does not ensure the complete removal of the virus on the remote computer, because:
The scanning of mapped drives scans only the mapped folders. This may not include all the folders on the remote computer, which can lead to missed detections.
If a viral file is detected on the mapped drive, the removal will fail if a program on the remote computer uses this file.

Therefore, you should run the tool on every computer.

The /EXCLUDE switch will only work with one path, not multiple. An alternative is the /NOFILESCAN switch followed by a manual scan with AntiVirus. This will let the tool alter the registry. Then, scan the computer with AntiVirus with current virus definitions. With these steps, you should be able to clean the file system.

The following is an example command line that can be used to exclude a single drive:

"C:\Documents and Settings\user1\Desktop\FixMytob.exe" /EXCLUDE=M:\ /LOG=c:\Mytob.txt

Alternatively, the command line below will skip scanning the file system, but will repair the registry modifications. Then, run a regular scan of the system with proper exclusions:

"C:\Documents and Settings\user1\Desktop\FixMytob.exe" /NOFILESCAN /LOG=c:\Mytob.txt

Note: You can give the log file any name and save it to any location.

kfna_itAuthor Commented:
thanks all

SheharyaarSaahil , That is Good Idea But It is very Deficult (more than 700 PC) ..

imacgouf , I think that Fix tool can't work with " " >> very nice method

-- Experts; Do you think when we install  "Microsoft Security Bulletin MS04-011 & MS03-026"
                                     will protect un-infected PCs??


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"Do you think when we install  "Microsoft Security Bulletin MS04-011 & MS03-026" will protect un-infected PCs??"

Yes, those should offer protection. But those are quite old patches. If you haven't even installed those you really are vulnerable to a lot more than just this one worm. Consider running MBSA or in some other way check what patches you might need.
Mohammed HamadaSenior IT ConsultantCommented:
Hello kfna_it

Try to create and run a batch file on each pc with Shehrayar's recommendation..
Good Luck
Yes, those *should* work in preventing new infections. But you're failing to take into account that as long as you leave the infected machines on the network, they're going to generate a ton of emails. So ideally you want to disconnect the known infected ones from the network, then clean them.

Stick manual removal with Safe Mode... because System Restore is going to partly mess you up if you have XP machines. (You MIGHT get away with automatic removal via batch file or script if you're using all 2000 machines, but see first paragraph)

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Just do the Windows Update as often as you can, there will always be some
malicious removal tools to deal with such worms. Also Windows Update will
help you stay up to date and avoid such bug-related worms and viruses.

This is a kind of a basic thing when administrating such amount of machines.
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