Looking for:
Microsoft windows malicious software download |
Full Specifications.Microsoft windows malicious software download
The Windows Malicious Software Removal Tool is intended for use with the operating systems that are listed in the "Applies to" section. Operating systems that are not included in the list were not tested and therefore are not supported. These unsupported operating systems include all versions and editions of embedded operating systems.
Use this tool to find and remove specific prevalent threats and reverse the changes they have made see covered threats. For comprehensive malware detection and removal, consider using Microsoft Safety Scanner. This tool works in a complementary manner with existing antimalware solutions and can be used on most current Windows versions see Properties section. The information contained in this article is specific to the enterprise deployment of the tool.
We recommend that you review the following knowledge base article for more information about the tool:. The following files are available for download from the Microsoft Download Center:. Download the x86 MSRT package now. Download the x64 MSRT package now. The tool can be deployed in an enterprise environment to enhance existing protection and as part of a defense-in-depth strategy.
To deploy the tool in an enterprise environment, you can use one or more of the following methods:. The current version of this tool does not support the following deployment technologies and techniques:. This article includes information about how you can verify execution of the tool as part of deployment. The script and the steps that are provided here are meant to be only samples and examples. Customers must test these sample scripts and example scenarios and modify them appropriately to work in their environment.
You must change the ServerName and the ShareName according to the setup in your environment. The following code sample does the following things:.
Prefixes the log the file name by using the name of the computer from which the tool is run and the user name of the current user Note You must set appropriate permissions on the share according to the instructions in the Initial setup and configuration section. Note In this code sample, ServerName is a placeholder for the name of your server, and ShareName is a placeholder for the name of your share.
This section is intended for administrators who are using a startup script or a logon script to deploy this tool. If you are using SMS, you can continue to the "Deployment methods" section. To configure the server and the share, follow these steps:. Set up a share on a member server. Then name the share ShareName. Copy the tool and the sample script, RunMRT. See the Code sample section for details. Add the domain user account for the user who is managing this share, and then click Full Control.
If you use the computer startup script method, add the Domain Computers group together with Change and Read permissions. If you use the logon script method, add the Authenticated Users group together with Change and Read permissions.
Remove the Everyone group if it is in the list. Note If you receive an error message when you remove the Everyone group, click Advanced on the Security tab, and then click to clear the Allow inheritable permissions from parent to propagate to this object check box.
Under the ShareName folder, create a folder that is named "Logs. Note Do not change the Share permissions in this step. Note To run this tool, you must have Administrator permissions or System permissions, regardless of the deployment option that you choose.
The following example provides step-by-step instructions for using SMS The steps for using SMS 2. Create a. The following is an example. For more information about Ismif Right-click the Packages node, click New , and then click Package. The Package Properties dialog box is displayed. On the Data Source tab, click to select the This package contains source files check box. Click Set , and then choose a source directory that contains the tool. On the Distribution Settings tab, set the Sending priority to High.
Version and Publisher are optional. In the SMS console, locate the new package under the Packages node. Expand the package. Right-click Programs , point to New , and then click Program. At the Command line , click Browse to select the batch file that you created to start Mrt. Change Run to Hidden. Change After to No action required.
Click the Requirements tab, and then click This program can run only on specified client operating systems. Click the Environment tab, click Whether a user is logged in the Program can run list. Set the Run mode to Run with administrative rights. Right-click the Advertisement node, click New , and then click Advertisement. On the General tab, enter a name for the advertisement. In the Package field, select the package that you previously created. In the Program field, select the program that you previously created.
Click Browse , and then click the All System collection or select a collection of computers that only includes Windows Vista and later versions. On the Schedule tab, leave the default options if you want the program to only run one time. To run the program on a schedule, assign a schedule interval. This method requires you to restart the client computer after you set up the script and after you apply the Group Policy setting.
Set up the shares. To do this, follow the steps in the Initial setup and configuration section. Double-click Logon , and then click Add. The Add a Script dialog box is displayed. This method requires that the logon user account is a domain account and is a member of the local administrator's group on the client computer. In this scenario, the script and the tool will run under the context of the logged-on user. If this user does not belong to the local administrators group or does not have sufficient permissions, the tool will not run and will not return the appropriate return code.
For more information about how to use startup scripts and logon scripts, go to the following article in the Microsoft Knowledge Base:. You can examine the return code of the tool in your deployment logon script or in your deployment startup script to verify the results of execution. See the Code sample section for an example of how to do this.
The following list contains the valid return codes. At least one infection was detected and removed, but manual steps are required for a complete removal. At least one infection was detected and removed, but manual steps are required for complete removal and errors were encountered. At least one infection was detected and removed, but a restart is required for complete removal and errors were encountered.
At least one infection was detected and removed, but both manual steps and a restart is required for complete removal. At least one infection was detected and removed, but a restart is required. No errors were encountered.
Starting with version 1. Before version 1. The log file format has changed with version 1. If this log file already exists, the tool appends to the existing file. You can use a command script that resembles the previous example to capture the return code and to collect the files to a network share. Version 1. Like the ANSI version, this log file will be appended to each month's release.
The following example is an Mrt. The following is an example log file where no malicious software is found. The following is a sample log file in which errors are found. For more information about warnings and errors that are caused by the tool, go to the following article in the Microsoft Knowledge Base:. Operation failed. Action: Clean, Result: 0xE. Please use a full antivirus product! When you run the tool by using a startup script, error messages that resemble the following error message may be logged in the Mrt.
Note The pid number will vary. This error message occurs when a process is just starting or when a process has been recently stopped. The only effect is that the process that is designated by the pid is not scanned.
Comments
Post a Comment