Thursday, September 23, 2010


Run Windows Defender From The Command Line

Windows Defender is included with all versions of Windows Vista and is available to download for genuine copies of Windows XP Service Pack 2 or later, or Windows Server 2003 Service Pack 1 or later.
Windows Defender is software that helps protect your computer against pop-ups, slow performance, and security threats caused by spyware and other unwanted software by detecting and removing known spyware from your computer. Windows Defender features Real-Time Protection, a monitoring system that recommends actions against spyware when it's detected, minimizes interruptions, and helps you stay productive.
Warning (Disable Windows Defender): It is adviced not to disable Windows Defender If you dont have any other malware or spyware protector. If you want to disable Windows Defender, Read more: 
The benefits of installing Windows Defender include:
Spyware detection and removal
  • Windows Defender quickly and easily finds spyware and other unwanted programs that can slow down your computer, display annoying pop-up ads, change Internet settings, or use your private information without your consent.
  • Windows Defender eliminates detected spyware easily at your direction, and if you inadvertently remove programs that you actually want, it's easy to get them back.
  • Windows Defender allows you to schedule your scanning and removal times when it's convenient for you, whether it's on-demand or on a schedule that you set.
Improved Internet browsing safety
  • Windows Defender helps stop spyware before it infiltrates your computer. Windows Defender also offers a continuous safeguard designed to target all the ways that spyware can infiltrate your computer.
  • Windows Defender works without distracting you. It runs in the background and automatically handles spyware based on preferences that you set. You can use your computer with minimal interruption.
Protection against the latest threats
  • A dedicated team of Microsoft researchers continuously searches the Internet to discover new spyware and develop methods to counteract it.
  • A voluntary, worldwide network of Windows Defender users helps Microsoft determine which suspicious programs to classify as spyware. Participants help discover new threats quickly and notify Microsoft analysts, so that everyone is better protected. Anyone who uses Windows Defender can join this network and help report potential spyware to Microsoft.
  • To help protect your computer from the latest threats, you can choose to have updates that counteract new spyware automatically downloaded to your computer.
Run Windows Defender From The Command Line
Windows Defender includes a command-line utility, MpCmdRun.exe, which can be handy if you want to automate the use of Windows Defender. The utility is located on Windows 7 at %ProgramFiles%\Windows Defender\MpCmdRun.exe.

The basic usage at the command prompt is:
MpCmdRun.exe [command] [-options]

Here’s an overview of available commands:
-?Displays all available options for the 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
-RestoreDefaultsResets the registry values for Windows Defender settings to known good defaults
-SignatureUpdateChecks for new definition updates
-Scan [-ScanType]Scans for malicious software
-GetFilesCollects support information


About bench3 -

Haja Peer Mohamed H, Software Engineer by profession, Author, Founder and CEO of "bench3" you can connect with me on Twitter , Facebook and also onGoogle+

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