Windows 10 上的 Windows Defender 能够从命令提示符扫描、更新或运行其他任务。应用程序MpCmdRun.exe分别位于%ProgramFiles%\Windows Defender文件夹中，称为Microsoft Antimalware Service Command Line Utility。您可以使用此工具对Microsoft Antimalware Service进行自动化和故障排除。

^{(Run Microsoft Defender)}使用MpCmdRun.exe从命令行运行^{(Command Line)}Microsoft Defender

为此，请以管理员身份打开命令提示符^{(open the command prompt as an administrator)}。键入以下内容以获取完整的命令列表：

"%ProgramFiles%\Windows Defender\MpCmdRun.exe"

因此，例如，如果您希望从命令行运行快速扫描^{(Quick scan)}，您可以使用-Scan 1参数：

"%ProgramFiles%\Windows Defender\MpCmdRun.exe" -Scan -ScanType 1

要执行完整扫描^{(Full scan)}，请使用：

"%ProgramFiles%\Windows Defender\MpCmdRun.exe" -Scan -ScanType 2

要更新 Windows Defender^{(Update Windows Defender)}或创建更新 Windows Defender 的快捷方式， 您^{(Windows Defender)}  可以使用以下命令：

"%ProgramFiles%\Windows Defender\MpCmdRun.exe" –signatureupdate

MpCmdRun.exe

这是我从命令提示符结果中复制粘贴的整个列表：

MpCmdRun.exe [command] [-options]

命令说明：

• -? / -h：显示此工具的所有可用选项
• -Trace [-Grouping #] [-Level #]：开始诊断跟踪
• -RemoveDefinitions [-All]：将安装的签名定义恢复到以前的备份副本或原始默认签名集
• -RestoreDefaults ：将^{(-RestoreDefaults )}Microsoft 反恶意软件服务^{(Microsoft Antimalware Service)}设置的注册表值重置为已知的良好默认值
• -SignatureUpdate [-UNC]：检查新的定义更新
• -Scan [-ScanType] : 扫描恶意软件
• -Restore -Name <name> [-All] ：根据名称恢复最近或所有隔离项目
• -GetFiles：收集支持信息
• -恢复^(-Restore) ：恢复或列出隔离项目
• -AddDynamicSignature : 加载动态签名
• -ListAllDynamicSignatures  ：列出加载的动态签名
• -RemoveDynamicSignature  ：删除动态签名。

希望这可以帮助您入门。有关详细信息，您可以访问Microsoft。

How to run Microsoft Defender from Command Line with MpCmdRun.exe

Wіndowѕ Defender on Windows 10 has the ability to scan, update, or run other tasks from the command prompt. Thе application MpCmdRun.exe is situated in the %ProgramFiles%\Windows Defender folder respectively and is called the Microsoft Antimalware Service Command Line Utility. You can use this tool to automate and troubleshoot Microsoft Antimalware Service.

Run Microsoft Defender from Command Line using MpCmdRun.exe

To do so, open the command prompt as an administrator. Type the following to get the entire list of commands:

"%ProgramFiles%\Windows Defender\MpCmdRun.exe"

So for instance if you wish to run a Quick scan from the command line, you can use -Scan 1 parameter:

"%ProgramFiles%\Windows Defender\MpCmdRun.exe" -Scan -ScanType 1

To perform a Full scan, use:

"%ProgramFiles%\Windows Defender\MpCmdRun.exe" -Scan -ScanType 2

To Update Windows Defender or to create a shortcut to update your Windows Defender  you can use the following command:

"%ProgramFiles%\Windows Defender\MpCmdRun.exe" –signatureupdate

MpCmdRun.exe

Here is the entire list which I have copy-pasted from the command prompt results:

MpCmdRun.exe [command] [-options]

Command Descriptions:

• -? / -h : Displays all available options for this tool
• -Trace [-Grouping #] [-Level #] :  Starts diagnostic tracing
• -RemoveDefinitions [-All] : Restores the installed signature definitions to a previous backup copy or to the original default set of signatures
• -RestoreDefaults : Resets the registry values for Microsoft Antimalware Service settings to known good defaults
• -SignatureUpdate [-UNC] : Checks for new definition updates
• -Scan [-ScanType] : Scans for malicious software
• -Restore -Name <name> [-All] : Restore the most recently or all quarantined item(s) based on name
• -GetFiles : Collects support information
• -Restore : Restore or list quarantined item(s)
• -AddDynamicSignature : Loads a dynamic signature
• -ListAllDynamicSignatures : List the loaded dynamic signatures
• -RemoveDynamicSignature : Removes a dynamic signature.

Hope this helps you get started. For details, you may visit Microsoft.

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