Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

4.0.30319.34209 built by: FX452RTMGDR 0.02%
4.0.30319.34209 built by: FX452RTMGDR 0.02%
4.0.30319.18408 built by: FX451RTMGREL 1.86%
4.0.30319.18408 built by: FX451RTMGREL 1.75%
4.0.30319.18331 built by: FX45GDRSTAGE 0.02%
4.0.30319.18331 built by: FX45GDRSTAGE 0.02%
4.0.30319.17929 built by: FX45RTMREL 1.73%
4.0.30319.17929 built by: FX45RTMREL 1.28%
4.0.30319.17626 built by: FX45RCREL 0.04%
4.0.30319.17626 built by: FX45RCREL 0.02%
4.0.30319.17379 built by: FXBETAREL 0.04%
4.0.30319.17379 built by: FXBETAREL 0.02%
4.0.30319.1 (RTMRel.030319-0100) 25.98%
4.0.30319.1 (RTMRel.030319-0100) 13.46%
4.0.30128.1 (RC1Rel.030128-0100) 0.02%
4.0.21006.1 (B2Rel.021006-0100) 0.02%
2.0.50727.6387 (Win8RTM.050727-6300) 0.04%
2.0.50727.4927 (NetFXspW7.050727-4900) 26.05%
2.0.50727.4927 (NetFXspW7.050727-4900) 16.48%
2.0.50727.42 (RTM.050727-4200) 0.02%
2.0.50727.4016 (NetFxQFE.050727-4000) 2.79%
2.0.50727.4016 (NetFxQFE.050727-4000) 0.53%
2.0.50727.3053 (netfxsp.050727-3000) 6.39%
2.0.50727.3053 (netfxsp.050727-3000) 0.05%
2.0.50727.3053 (netfxsp.050727-3000) 0.84%
View more

Relationships

Parent process
Related files

mscorsvw.exe

Microsoft .NET Framework by Microsoft Corporation (Signed)

Remove mscorsvw.exe
Version:   2.0.50727.4927 (NetFXspW7.050727-4900)
MD5:   d1ceea2b47cb998321c579651ce3e4f8
SHA1:   301f923d9bd1f0c94f6e8b9d5637612281567b05
SHA256:   654013b8fd229a50017b08dec6ca19c7dda8ce0771260e057a92625201d539b1
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is mscorsvw.exe?

.NET Runtime Optimization Service for the .NET Framework is a software framework developed by Microsoft that includes a large library and provides language interoperability. Programs written for the .NET Framework execute in a software environment known as the Common Language Runtime (CLR), an application virtual machine that provides services such as security, memory management, and exception handling. The class library and the CLR together make up the .NET Framework.

About mscorsvw.exe (from Microsoft Corporation)

.NET is an integral part of many applications running on Windows and provides common functionality for those applications to run. This download is for people who need .NET to run an application on the

DetailsDetails

File name:mscorsvw.exe
Publisher:Microsoft Corporation
Product name:Microsoft® .NET Framework
Description:.NET Runtime Optimization Service
Typical file path:C:\windows\microsoft.net\framework\v2.0.50727\mscorsvw.exe
File version:2.0.50727.4927 (NetFXspW7.050727-4900)
Product version:2.0.50727.4927
Size:87.81 KB (89,920 bytes)
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Effective date:Wednesday, October 22, 2008
Expiration date:Friday, January 22, 2010
Digital DNA
PE subsystem:Windows GUI
Entropy:6.492676
File packed:No
Code language:Microsoft Visual C# / Basic .NET
.NET CLR:No
More details

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'clr_optimization_v2.0.50727_64' (Microsoft .NET Framework NGEN v2.0.50727_X64)
  • clr_optimization_v4.0.30128_32
  • 'clr_optimization_v4.0.30319_64' (Microsoft .NET Framework NGEN v4.0.30319_X64)
  • 'clr_optimization_v4.0.30319_32'
  • 'clr_optimization_v2.0.50727_32'
  • 'clr_optimization_v4.0.30319_64'
  • 'clr_optimization_v2.0.50727_64'

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.13423573%
0.028634%
Kernel CPU:0.06627339%
0.013761%
User CPU:0.06796234%
0.014873%
Kernel CPU time:999 ms/min
100,923,805ms/min
CPU cycles:38,816/sec
17,470,203/sec
Memory
Private memory:8.36 MB
21.59 MB
Private (maximum):7.84 MB
Private (minimum):7.46 MB
Non-paged memory:8.36 MB
21.59 MB
Virtual memory:100.2 MB
140.96 MB
Virtual memory (peak):101.45 MB
169.69 MB
Working set:8.02 MB
18.61 MB
Working set (peak):14.03 MB
37.95 MB
Page faults:13,254/min
2,039/min
I/O
I/O read transfer:123 Bytes/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O write transfer:2 Bytes/sec
274.99 KB/min
I/O write operations:1/sec
227/min
I/O other transfer:6 Bytes/sec
448.09 KB/min
I/O other operations:1/sec
1,671/min
Resource allocations
Threads:7
12
Handles:91
600

BehaviorsProcess properties

Integrety level:System
Platform:64-bit
Command lines:
  • C:\windows\microsoft.net\framework64\v2.0.50727\mscorsvw.exe
  • C:\windows\microsoft.net\framework64\v2.0.50727\mscorsvw.exe -useclsid {cf34a5f8-e6a3-4025-beb7-b2f426f3d95c} -comment "compile worker for presentationframework, version=3.0.0.0, culture=neutral, publickeytoken=31bf3856ad364e35, processorarchitecture=msil"
Owner:SYSTEM
Windows Service
Service name:clr_optimization_v2.0.50727_64
Display name:Microsoft .NET Framework NGEN v2.0.50727_X64
Description:“Microsoft .NET Framework NGEN”
Type:Win32OwnProcess
Parent processes:

ResourcesThreads

Averages
 
mscorsvw.exe (main module)
Total CPU:2.02120913%
0.272967%
Kernel CPU:0.06861079%
0.107585%
User CPU:1.95259834%
0.165382%
CPU cycles:40,928,710/sec
5,741,424/sec
Context switches:118/sec
79/sec
Memory:100 KB
1.16 MB
mscorsvc.dll
Total CPU:0.03363924%
Kernel CPU:0.03105161%
User CPU:0.00258763%
CPU cycles:997,206/sec
Context switches:1/sec
Memory:492 KB
sechost.dll
Total CPU:0.02437071%
Kernel CPU:0.01819519%
User CPU:0.00617552%
CPU cycles:658,917/sec
Context switches:1/sec
Memory:124 KB
ole32.dll
Total CPU:0.00309439%
Kernel CPU:0.00309439%
User CPU:0.00000000%
CPU cycles:6,469/sec
Memory:2.01 MB
ntdll.dll
Total CPU:0.00003979%
Kernel CPU:0.00003979%
User CPU:0.00000000%
CPU cycles:282/sec
Memory:1.66 MB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 66.00%
Windows 7 Ultimate 21.00%
Windows 7 Professional 9.00%
Windows Seven Black Edition 2.00%
Windows 7 Home Basic 2.00%

Distribution by countryDistribution by country

United States installs about 57.00% of Microsoft® .NET Framework.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 29.01%
Hewlett-Packard 20.61%
Acer 13.74%
Toshiba 13.74%
ASUS 9.16%
Sony 6.11%
Alienware 3.05%
Samsung 3.05%
GIGABYTE 1.53%
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