该工具将帮助您从受感染的系统中删除各种特定的和流行的恶意软件。由于计算机即使已受感染也似乎仍

能正常运行，所以 Microsoft 建议您即使计算机看起来完全正常，也请运行该工具。除使用该工具外，您

还应使用最新的防病毒产品以帮助保护您的计算机免遭其他恶意软件的侵害。

软件全名：Microsoft Windows Malicious Software Removal Tool

它能够检查 Windows XP、Windows 2000 及 Windows Server 2003 计算机是否受到了各种特定的和流

行的恶意软件的感染(包括 Blaster、Sasser 和 Mydoom)，并帮助删除感染。完成检测和删除过程后，该工

具将显示一个报告，描述其执行结果，包括检测到的和删除的恶意软件(如果有)。另外，它会在 %WINDIR%

\debug 文件夹中创建一个名为 mrt.log 的日志文件。

简体中文界面。

运行该工具的用户必须是管理员。该工具在 Windows 98、Windows ME 或 Windows NT 4.0 的任何版本

上都不能运行。

系统要求

支持的操作系统： Windows 2000, Windows Server 2003, Windows XP

he Microsoft Windows Malicious Software Removal Tool checks computers running Windows Vista, Windows XP, Windows 2000, and Windows Server 2003 for infections by specific, prevalent malicious software—including Blaster, Sasser, and Mydoom—and helps remove any infection found. When the detection and removal process is complete, the tool displays a report describing the outcome, including which, if any, malicious software was detected and removed.

Microsoft releases an updated version of this tool on the second Tuesday of each month, and as needed to respond to security incidents. The tool is available from Microsoft Update, Windows Update and the Microsoft Download Center.

Note  The version of the tool delivered by Microsoft Update and Windows Update runs in the background and then reports if an infection is found. If you would like to run this tool more than once a month, use the version on this Web page or install the version that is available in the Download Center.

Because computers can appear to function normally when infected, Microsoft advises you to run this tool even if your computer seems to be fine. You should also use up-to-date antivirus software to help protect your computer from other malicious software.

To download the latest version of this tool, please visit the Microsoft Download Center.

You can also perform an online scan of your computer using the Windows Live safety scanner.

Run an Online Scan of Your PC for Malicious Software

If you would like to scan your computer for malicious and potentially unwanted software from a website, please use the Safety iconWindows Live safety scanner.

Windows Live safety scanner is an online service that lets you scan your computer to help protect, clean, and keep it running at its best. Use our free protection scan to check for and remove viruses, spyware, and other potentially unwanted software and to find vulnerabilities in your Internet connection.

Learn How to Protect Your PC

To help protect your computer against a wide variety of security threats, see Protect Your PC.

Technical Assistance

Contact your antivirus vendor for assistance with identifying or removing virus or worm infections. If you need more help with virus-related issues, contact Microsoft Product Support Services.

    * For support within the United States and Canada, call toll-free (866) PCSAFETY (727-2338).
    * For support outside the United States and Canada, visit the Product Support Services Web page.