Best Way To Remove Win32 Conficker.b Worm

If you have the Conficker.b Win32 worm installed on your system, this guide may help you.

Approved: Fortect

1. Download Fortect and install it on your computer

2. Launch the program and click "Scan"

3. Click "Repair" to fix any issues that are found

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The information in this Knowledge Base article is intended for corporate environments with system administrators who mightut apply the tips from this article. There is no reason to use this article if your antivirus cleanses the virus neatly and your systems are completely improved. To make sure your system is cleared of the Conficker virus, perform a surprise scan from the following website: http://www.microsoft.com/security/scanner/

For complete information on Conficker, visit the following Microsoft website:

Therefore, care must be taken when cleaning the circle so that the threat never spills over to systems that have already started cleaning.

Note. The Win32 / Conficker.D variant does not distribute removable media or shared folders on a specific network. Win32 / Conficker. Installs due to previous differences with Win32 / Conficker.

This procedure does not remove Conficker malware from the system. This method of operation only prevents the distribution of adware. You must use an antivirus program to remove the Conficker malware from the process. Or follow the steps in the “ How to remove Win32 / Conficker virus ” section of this Knowledge Base – Paper to manually oudClean up the malware that caused the system.

Create a new Group Policy (GPO) template that will apply to all computers in the last defined organizational unit (OU), site, or web page, depending on the needs of your environment.

HKEY_LOCAL_MACHINE Software Microsoft Windows NT CurrentVersion Svchost
This will prevent a malicious service from being generated with a random name in the netsvcs registry value.

Install a policy to remove write permissions to the% windir% Tasks folder. This prevents the Conficker malware from creating scheduled tasks and re-infecting the system.

Disable the automatic playback functions (Autoplay). This prevents the spread of Conficker malware by using Windows built-in autorun functionality.

Note. Depending on the version of Windows you are using, there are various updates that most of you need to install to properly disable this feature: AutoPlay

Clean up malware-related systems after releasing Group Policy settings.

In aboutThe new Microsoft Malware Protection Center has a Microsoft Security Scanner. This is usually a separate binary file that is useful for removing common malware. Then it can help remove the Win32 / Conficker adware and spyware family.

Note. Microsoft Security Scanner does not prevent reinfection because it does not work with real-time antivirus software.

You can distribute Microsoft Security Scanner directly from the Microsoft website:

Important! If possible, do not log on with a domain account. In particular, do not log on with a domain administrator account. The malware impersonates the logged in user and gains access to network resources using only the credentials of the logged on user. This behavior allows malware to spread.

Stop the server service. This will remove the administrator’s shared resources from the system, so that specific malware cannot use the components for distribution.

Note. The server should be temporarily disabled only while it cleanses the adware and spyware in its environment. This is especially true for production servers as it affects the availability of network resources. Once the environment is cleaned up, Server a Service can be reactivated.

Use Microsoft Console Maintenance (MMC) to stop the Server service. To do this, follow these steps:

To stop the Task Scheduler service in Windows Vista or Windows Server 2008, follow these steps.

Important! This section, method, or area of ​​responsibility contains steps that show you how to – modify the registry. However, serious problems can occur if you modify the registry incorrectly. Therefore, be sure to follow these steps carefully. For added protection, you must reopen the registry before modifying it. Then you can restore the registry if you have an absolute problem. For more information on tips for backing up and restoring your computer, click the following numberSee the linked article to read the Microsoft Knowledge Base article:

Note. The Task Scheduler service should be temporarily disabled while you cleanse your environment of malware with theft. This is undoubtedly especially true for Windows Vista, as well as Windows Server 2008, as this step affects several built-in scheduled tasks. Once the entire environment is cleaned up, reactivate the backend service.

If the computer is infected with Win32 / Conficker virus, a random service name or company name will be displayed.

Note. In Win32 / Conficker.B, the product name consisted of random letters and appeared at the end of the list. In case of possible variations, the name of the service may be on some list and may seem more legitimate in terms of time. If the random plan name is missing at the bottom, the system will compare the Service Table during this process to determine which icon the Win32 / Conficker may have added. To check, compare the list in the “Table of services” with a similar system that is not yet known to be infected.

Remember the brand of malware usedUsed for service. You will need this information later in this procedure.

Remove the line containing the link to this particular malicious service. Be sure to include a blank line below the permanent valid post feed that is listed and you must click OK.

Inherit small item permission entries from humans. Add them to the entries explicitly described here.

Replace the permission entries for all child objects in the entries shown here that apply to child physical objects.

If you are using Windows 2000, XP, Windows, or Windows Server 2003, install Advance 967715.
For more information, click the following policy number to view an article, I would say Microsoft Knowledge Base:

To do this, usually enter the following commands at the command line. Press ENTER after each command:

After processing each command, you will receive a message similar to the following
TYPE wuauserv:

SERVICE_NAME :: 20 WIN32_SHARE_PROCESS
STATUS: 4 WORKING
(STOPPABLE, NOT_PAUSABLE, ACCEPTS_SHUTDOWN)
WIN32_EXIT_CODE: 0 (0x0)
SERVICE_EXIT_CODE: 6 (0x0)
0CHECKPOINT. : 0x br> WAIT_HINT: 0x0
Therefore “STATUS: 4 RUNNING” indicates that this service is running.

To verify that the SvcHost registry subkey is enabled, follow these steps:

Antivirus Software Vendor List 49500
If you do not have an antivirus platform vendor, or if your antivirus vendor cannot help you, please contact Microsoft Customer Support if you need further assistance.

Restore default permissions for the entire SVCHOST registry key and task directory. This should be reset to the attacker’s move options using Group Policy settings. If only Policy A is removed, later permissions cannot be changed. For more information, see the standard permission table in my domain “ Search Actions” .

If you are having trouble identifying systems infected with Conficker, the details on the TechNet blog below will help:

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