An anti-malware platform update for System Center 2012 Endpoint Protection Service Pack 1 clients is available from Microsoft Support


This article describes an anti-malware platform update package for Microsoft System Center 2012 Endpoint Protection Service Pack 1 clients. This package updates System Center 2012 Endpoint Protection Service Pack 1 client services, drivers, and user interface components.

Microsoft regularly releases anti-malware platform updates to guarantee consistency in protection, performance, robustness, and usability in a malware landscape that is constantly changing. This update package is dated April 2013.

Note This update only applies to System Center Endpoint Protection clients that are integrated with Microsoft System Center 2012 Configuration Manager.

More Information

This anti-malware platform update contains the following improvements:
  • Adds new malware remediation functionality to the anti-malware platform
  • Adds anti-tampering improvements to the anti-malware platform
  • Improves overall performance of the anti-malware platform

Update information

How to obtain this update

Microsoft Support
A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.


To install this update, you must have one of the following installed on the client:
  • System Center 2012 Endpoint Protection Service Pack 1
  • System Center 2012 Endpoint Protection Service Pack 1 Cumulative Update 1

Restart information

You may have to restart the computer after you apply this update.

Update replacement information

This update does not replace a previously released update.

Additional information

This update brings the antimalware client version to 4.2.0223.1. You can find the version information by clicking About on the Help menu of the Endpoint Protection client user interface.

File information

The global version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.