Summary
This article describes an anti-malware platform update for Windows Defender that is available in Windows 8 and in Windows RT. This anti-malware platform update for Windows Defender updates Windows Defender services, drivers, and UIs. Microsoft regularly releases anti-malware platform updates to guarantee consistency in protection, performance, robustness, and usability in a malware landscape that is constantly changing.
More Information
This anti-malware platform update contains the following improvements:
-
Adds anti-tampering improvements to the anti-malware platform
-
Improves overall performance of the anti-malware platform
-
Adds language support to the anti-malware platform
Update information
How to obtain this update
Windows Update
This update is available from Windows Update.
Microsoft Download Center
The following files are available for download from the Microsoft Download Center:
|
Operating system |
Update |
|---|---|
|
All supported x86-based versions of Windows 8 |
|
|
All supported x64-based versions of Windows 8 |
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
Prerequisites
To apply this update, you must be running Windows RT or Windows 8.
Registry information
To apply this update, you do not have to make any changes to the registry.
Restart requirement
You do not have to restart the computer after you apply this update.
Update replacement information
This update does not replace a previously released update.
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.
Windows RT and Windows 8 file information notes
-
The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
Version
Product
Milestone
Service branch
6.2.920 0.16 xxx
Windows RT and Windows 8
RTM
GDR
6.2.920 0.20 xxx
Windows RT and Windows 8
RTM
LDR
-
GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
-
The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows RT and Windows 8" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For Windows RT
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Dbgeng.dll |
6.2.9200.16654 |
2,676,736 |
01-Jul-2013 |
22:22 |
Not applicable |
|
Dbghelp.dll |
6.2.9200.16654 |
1,001,472 |
01-Jul-2013 |
22:22 |
Not applicable |
|
Wdboot.sys |
4.3.215.0 |
30,144 |
02-Jul-2013 |
00:32 |
Not applicable |
|
Wdfilter.sys |
4.3.215.0 |
195,048 |
01-Jul-2013 |
22:08 |
Not applicable |
|
Mpevmsg.dll |
4.3.215.0 |
111,512 |
01-Jul-2013 |
22:08 |
Not applicable |
|
Mpuxhostproxy.dll |
4.3.215.0 |
28,912 |
01-Jul-2013 |
22:08 |
Not applicable |
|
Mpuxsrv.exe |
4.3.215.0 |
52,824 |
01-Jul-2013 |
22:08 |
Not applicable |
|
Windows.defender.lnk |
Not applicable |
1,139 |
25-Jul-2012 |
20:18 |
Not applicable |
|
Mpasdesc.dll |
4.3.215.0 |
152,472 |
01-Jul-2013 |
22:08 |
Not applicable |
|
Mpclient.dll |
4.3.215.0 |
657,624 |
01-Jul-2013 |
22:08 |
Not applicable |
|
Mpcmdrun.exe |
4.3.215.0 |
268,032 |
02-Jul-2013 |
00:47 |
Not applicable |
|
Mpcommu.dll |
4.3.215.0 |
260,128 |
01-Jul-2013 |
22:08 |
Not applicable |
|
Mpoav.dll |
4.3.215.0 |
91,800 |
01-Jul-2013 |
22:08 |
Not applicable |
|
Mprtp.dll |
4.3.215.0 |
373,688 |
01-Jul-2013 |
22:08 |
Not applicable |
|
Mpsvc.dll |
4.3.215.0 |
1,208,896 |
01-Jul-2013 |
22:08 |
Not applicable |
|
Mptpmatt.dll |
4.3.215.0 |
49,680 |
01-Jul-2013 |
22:08 |
Not applicable |
|
Msmpcom.dll |
4.3.215.0 |
56,320 |
01-Jul-2013 |
22:22 |
Not applicable |
|
Msmpeng.exe |
4.3.215.0 |
15,536 |
02-Jul-2013 |
00:47 |
Not applicable |
|
Msmplics.dll |
4.3.215.0 |
22,304 |
01-Jul-2013 |
22:08 |
Not applicable |
|
Eppmanifest.dll |
4.3.215.0 |
155,032 |
01-Jul-2013 |
22:08 |
Not applicable |
|
Msascui.exe |
4.3.215.0 |
1,054,680 |
01-Jul-2013 |
22:08 |
Not applicable |
|
Msmpres.dll |
4.3.215.0 |
440,728 |
01-Jul-2013 |
22:08 |
Not applicable |
For all supported x86-based versions of Windows 8
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Wdboot.sys |
4.3.215.0 |
30,144 |
01-Jul-2013 |
22:53 |
x86 |
|
Wdfilter.sys |
4.3.215.0 |
211,288 |
01-Jul-2013 |
22:08 |
x86 |
|
Wdboot.sys |
4.3.215.0 |
30,144 |
02-Jul-2013 |
04:33 |
x86 |
|
Wdfilter.sys |
4.3.215.0 |
211,288 |
01-Jul-2013 |
21:56 |
x86 |
|
Mpevmsg.dll |
4.3.215.0 |
109,728 |
01-Jul-2013 |
22:08 |
x86 |
|
Mpevmsg.dll |
4.3.215.0 |
109,728 |
01-Jul-2013 |
21:56 |
x86 |
|
Mpuxhostproxy.dll |
4.3.215.0 |
30,016 |
01-Jul-2013 |
22:08 |
x86 |
|
Mpuxsrv.exe |
4.3.215.0 |
54,840 |
01-Jul-2013 |
22:08 |
x86 |
|
Windows.defender.lnk |
Not applicable |
1,139 |
25-Jul-2012 |
20:24 |
Not applicable |
|
Mpuxhostproxy.dll |
4.3.215.0 |
30,016 |
01-Jul-2013 |
21:56 |
x86 |
|
Mpuxsrv.exe |
4.3.215.0 |
54,840 |
01-Jul-2013 |
21:56 |
x86 |
|
Windows.defender.lnk |
Not applicable |
1,139 |
25-Jul-2012 |
20:24 |
Not applicable |
|
Dbghelp.dll |
6.12.2.633 |
1,213,200 |
07-Nov-2012 |
18:36 |
x86 |
|
Mpasdesc.dll |
4.3.215.0 |
150,688 |
01-Jul-2013 |
22:08 |
x86 |
|
Mpclient.dll |
4.3.215.0 |
705,224 |
01-Jul-2013 |
22:08 |
x86 |
|
Mpcmdrun.exe |
4.3.215.0 |
303,136 |
01-Jul-2013 |
22:53 |
x86 |
|
Mpcommu.dll |
4.3.215.0 |
285,016 |
01-Jul-2013 |
22:08 |
x86 |
|
Mpoav.dll |
4.3.215.0 |
109,888 |
01-Jul-2013 |
22:08 |
x86 |
|
Mprtp.dll |
4.3.215.0 |
394,608 |
01-Jul-2013 |
22:08 |
x86 |
|
Mpsvc.dll |
4.3.215.0 |
1,260,136 |
01-Jul-2013 |
22:08 |
x86 |
|
Mptpmatt.dll |
4.3.215.0 |
50,232 |
01-Jul-2013 |
22:08 |
x86 |
|
Msmpcom.dll |
4.3.215.0 |
63,488 |
01-Jul-2013 |
22:32 |
x86 |
|
Msmpeng.exe |
4.3.215.0 |
14,480 |
01-Jul-2013 |
22:53 |
x86 |
|
Msmplics.dll |
4.3.215.0 |
20,408 |
01-Jul-2013 |
22:08 |
x86 |
|
Symsrv.dll |
6.12.2.633 |
131,856 |
07-Nov-2012 |
18:36 |
x86 |
|
Symsrv.yes |
Not applicable |
1 |
07-Nov-2012 |
18:36 |
Not applicable |
|
Dbghelp.dll |
6.12.2.633 |
1,213,200 |
06-Nov-2012 |
23:04 |
x86 |
|
Mpasdesc.dll |
4.3.215.0 |
150,688 |
01-Jul-2013 |
21:56 |
x86 |
|
Mpclient.dll |
4.3.215.0 |
705,224 |
01-Jul-2013 |
21:56 |
x86 |
|
Mpcmdrun.exe |
4.3.215.0 |
303,136 |
02-Jul-2013 |
04:33 |
x86 |
|
Mpcommu.dll |
4.3.215.0 |
285,016 |
01-Jul-2013 |
21:56 |
x86 |
|
Mpoav.dll |
4.3.215.0 |
109,888 |
01-Jul-2013 |
21:56 |
x86 |
|
Mprtp.dll |
4.3.215.0 |
394,608 |
01-Jul-2013 |
21:56 |
x86 |
|
Mpsvc.dll |
4.3.215.0 |
1,260,136 |
01-Jul-2013 |
21:56 |
x86 |
|
Mptpmatt.dll |
4.3.215.0 |
50,232 |
01-Jul-2013 |
21:56 |
x86 |
|
Msmpcom.dll |
4.3.215.0 |
63,488 |
02-Jul-2013 |
03:49 |
x86 |
|
Msmpeng.exe |
4.3.215.0 |
14,480 |
02-Jul-2013 |
04:33 |
x86 |
|
Msmplics.dll |
4.3.215.0 |
20,408 |
01-Jul-2013 |
21:56 |
x86 |
|
Symsrv.dll |
6.12.2.633 |
131,856 |
06-Nov-2012 |
23:04 |
x86 |
|
Symsrv.yes |
Not applicable |
1 |
06-Nov-2012 |
23:04 |
Not applicable |
|
Eppmanifest.dll |
4.3.215.0 |
153,248 |
01-Jul-2013 |
22:08 |
x86 |
|
Msascui.exe |
4.3.215.0 |
1,059,056 |
01-Jul-2013 |
22:08 |
x86 |
|
Msmpres.dll |
4.3.215.0 |
438,944 |
01-Jul-2013 |
22:08 |
x86 |
|
Eppmanifest.dll |
4.3.215.0 |
153,248 |
01-Jul-2013 |
21:56 |
x86 |
|
Msascui.exe |
4.3.215.0 |
1,059,056 |
01-Jul-2013 |
21:56 |
x86 |
|
Msmpres.dll |
4.3.215.0 |
438,944 |
01-Jul-2013 |
21:56 |
x86 |
For all supported x64-based versions of Windows 8
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Wdboot.sys |
4.3.215.0 |
36,288 |
02-Jul-2013 |
00:44 |
x64 |
|
Wdfilter.sys |
4.3.215.0 |
247,216 |
01-Jul-2013 |
22:08 |
x64 |
|
Wdboot.sys |
4.3.215.0 |
36,288 |
02-Jul-2013 |
11:27 |
x64 |
|
Wdfilter.sys |
4.3.215.0 |
247,216 |
02-Jul-2013 |
01:21 |
x64 |
|
Mpevmsg.dll |
4.3.215.0 |
109,728 |
01-Jul-2013 |
22:08 |
x64 |
|
Mpevmsg.dll |
4.3.215.0 |
109,728 |
02-Jul-2013 |
01:21 |
x64 |
|
Mpuxhostproxy.dll |
4.3.215.0 |
30,080 |
01-Jul-2013 |
22:08 |
x64 |
|
Mpuxsrv.exe |
4.3.215.0 |
60,648 |
01-Jul-2013 |
22:08 |
x64 |
|
Windows.defender.lnk |
Not applicable |
1,139 |
25-Jul-2012 |
20:21 |
Not applicable |
|
Mpuxhostproxy.dll |
4.3.215.0 |
30,080 |
02-Jul-2013 |
01:21 |
x64 |
|
Mpuxsrv.exe |
4.3.215.0 |
60,648 |
02-Jul-2013 |
01:21 |
x64 |
|
Windows.defender.lnk |
Not applicable |
1,139 |
25-Jul-2012 |
20:21 |
Not applicable |
|
Dbghelp.dll |
6.12.2.633 |
1,558,912 |
07-Nov-2012 |
23:04 |
x64 |
|
Mpasdesc.dll |
4.3.215.0 |
150,688 |
01-Jul-2013 |
22:08 |
x64 |
|
Mpclient.dll |
4.3.215.0 |
911,032 |
01-Jul-2013 |
22:08 |
x64 |
|
Mpcmdrun.exe |
4.3.215.0 |
352,208 |
02-Jul-2013 |
00:44 |
x64 |
|
Mpcommu.dll |
4.3.215.0 |
363,976 |
01-Jul-2013 |
22:08 |
x64 |
|
Mpoav.dll |
4.3.215.0 |
113,024 |
01-Jul-2013 |
22:08 |
x64 |
|
Mprtp.dll |
4.3.215.0 |
516,216 |
01-Jul-2013 |
22:08 |
x64 |
|
Mpsvc.dll |
4.3.215.0 |
1,606,112 |
01-Jul-2013 |
22:08 |
x64 |
|
Mptpmatt.dll |
4.3.215.0 |
52,848 |
01-Jul-2013 |
22:08 |
x64 |
|
Msmpcom.dll |
4.3.215.0 |
74,240 |
01-Jul-2013 |
22:29 |
x64 |
|
Msmpeng.exe |
4.3.215.0 |
16,048 |
02-Jul-2013 |
00:44 |
x64 |
|
Msmplics.dll |
4.3.215.0 |
20,408 |
01-Jul-2013 |
22:08 |
x64 |
|
Symsrv.dll |
6.12.2.633 |
149,264 |
07-Nov-2012 |
23:04 |
x64 |
|
Symsrv.yes |
Not applicable |
1 |
07-Nov-2012 |
23:04 |
Not applicable |
|
Dbghelp.dll |
6.12.2.633 |
1,558,912 |
06-Nov-2012 |
23:04 |
x64 |
|
Mpasdesc.dll |
4.3.215.0 |
150,688 |
02-Jul-2013 |
01:21 |
x64 |
|
Mpclient.dll |
4.3.215.0 |
911,032 |
02-Jul-2013 |
01:21 |
x64 |
|
Mpcmdrun.exe |
4.3.215.0 |
352,208 |
02-Jul-2013 |
11:27 |
x64 |
|
Mpcommu.dll |
4.3.215.0 |
363,976 |
02-Jul-2013 |
01:21 |
x64 |
|
Mpoav.dll |
4.3.215.0 |
113,024 |
02-Jul-2013 |
01:21 |
x64 |
|
Mprtp.dll |
4.3.215.0 |
516,216 |
02-Jul-2013 |
01:21 |
x64 |
|
Mpsvc.dll |
4.3.215.0 |
1,606,112 |
02-Jul-2013 |
01:21 |
x64 |
|
Mptpmatt.dll |
4.3.215.0 |
52,848 |
02-Jul-2013 |
01:21 |
x64 |
|
Msmpcom.dll |
4.3.215.0 |
74,240 |
02-Jul-2013 |
10:58 |
x64 |
|
Msmpeng.exe |
4.3.215.0 |
16,048 |
02-Jul-2013 |
11:27 |
x64 |
|
Msmplics.dll |
4.3.215.0 |
20,408 |
02-Jul-2013 |
01:21 |
x64 |
|
Symsrv.dll |
6.12.2.633 |
149,264 |
06-Nov-2012 |
23:04 |
x64 |
|
Symsrv.yes |
Not applicable |
1 |
06-Nov-2012 |
23:04 |
Not applicable |
|
Eppmanifest.dll |
4.3.215.0 |
153,248 |
01-Jul-2013 |
22:08 |
x64 |
|
Msascui.exe |
4.3.215.0 |
1,420,112 |
01-Jul-2013 |
22:08 |
x64 |
|
Msmpres.dll |
4.3.215.0 |
438,944 |
01-Jul-2013 |
22:08 |
x64 |
|
Eppmanifest.dll |
4.3.215.0 |
153,248 |
02-Jul-2013 |
01:21 |
x64 |
|
Msascui.exe |
4.3.215.0 |
1,420,112 |
02-Jul-2013 |
01:21 |
x64 |
|
Msmpres.dll |
4.3.215.0 |
438,944 |
02-Jul-2013 |
01:21 |
x64 |
|
Mpasdesc.dll |
4.3.215.0 |
150,688 |
01-Jul-2013 |
22:08 |
x86 |
|
Mpclient.dll |
4.3.215.0 |
705,224 |
01-Jul-2013 |
22:08 |
x86 |
|
Mpoav.dll |
4.3.215.0 |
109,888 |
01-Jul-2013 |
22:08 |
x86 |
|
Msmplics.dll |
4.3.215.0 |
20,408 |
01-Jul-2013 |
22:08 |
x86 |
|
Mpasdesc.dll |
4.3.215.0 |
150,688 |
01-Jul-2013 |
21:56 |
x86 |
|
Mpclient.dll |
4.3.215.0 |
705,224 |
01-Jul-2013 |
21:56 |
x86 |
|
Mpoav.dll |
4.3.215.0 |
109,888 |
01-Jul-2013 |
21:56 |
x86 |
|
Msmplics.dll |
4.3.215.0 |
20,408 |
01-Jul-2013 |
21:56 |
x86 |
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
Additional file information
