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

PE structurePE file structure
Show functions
Import table
advapi32.dll
RegQueryValueExW, RegCreateKeyExW, RegCreateKeyExA, RegSetValueExW, RegSetValueExA, RegDeleteKeyW, RegDeleteKeyA, RegQueryValueExA, RegOpenKeyExW, RegOpenKeyExA, RegCloseKey, TraceEvent, RegQueryInfoKeyW, DuplicateTokenEx, SetTokenInformation
kernel32.dll
GetEnvironmentVariableA, GetEnvironmentVariableW, GetCurrentProcessId, LocalAlloc, FormatMessageA, FormatMessageW, EnterCriticalSection, LeaveCriticalSection, InitializeCriticalSection, DeleteCriticalSection, ResetEvent, ReleaseSemaphore, TlsSetValue, TlsAlloc, TlsFree, HeapAlloc, GetProcessHeap, HeapFree, WaitForSingleObjectEx, ReleaseMutex, SleepEx, VirtualAlloc, VirtualFree, VirtualQuery, VirtualProtect, HeapCreate, HeapDestroy, HeapValidate, InterlockedExchange, Sleep, GetStartupInfoA, SetUnhandledExceptionFilter, GetTickCount, UnhandledExceptionFilter, GetProcAddress, InterlockedIncrement, IsDebuggerPresent, InterlockedDecrement, TerminateProcess, GetCurrentProcess, WaitForMultipleObjects, CreateThread, OpenProcess, SetEvent, DebugBreak, TlsGetValue, InterlockedCompareExchange, GetLastError, SetLastError, GetModuleHandleA, FreeLibrary, lstrlenW, CloseHandle, RaiseException, LocalFree, MultiByteToWideChar, GetCPInfo, GetACP, GetCurrentThreadId, QueryPerformanceCounter, GetSystemTimeAsFileTime, GetVersionExA, GetModuleHandleW, GetCommandLineW, WideCharToMultiByte, LoadLibraryExA, LoadLibraryExW, GetModuleFileNameA, GetModuleFileNameW, CreateSemaphoreA, CreateSemaphoreW, CreateMutexA, CreateMutexW, CreateEventA, CreateEventW, OpenEventA, OpenEventW, DecodePointer, EncodePointer, HeapSetInformation, GetStartupInfoW, LoadLibraryW, OutputDebugStringW, GetFileAttributesW, GetWindowsDirectoryW, GetVersionExW, SetEnvironmentVariableW, GetVersion, FindClose, FindFirstFileW, WaitForSingleObject, CreateFileW
mscoree.dll
DllMain
msvcr100_clr0400.dll
DllMain
msvcr80.dll
DllMain
ole32.dll
CoRevokeClassObject, CoAddRefServerProcess, CoUninitialize, CoInitializeEx, CoRegisterClassObject, CoReleaseServerProcess
user32.dll
PeekMessageA, PeekMessageW, DispatchMessageA, DispatchMessageW, MessageBoxA, MessageBoxW, LoadStringA, LoadStringW, MsgWaitForMultipleObjects, MsgWaitForMultipleObjectsEx

mscorsvw.exe

Microsoft .NET Framework by Microsoft Corporation (Signed)

Remove mscorsvw.exe
Version:   2.0.50727.3053 (netfxsp.050727-3000)
MD5:   d87acaed61e417bba546ced5e7e36d9c
SHA1:   6beacda3c977838a88b4795bfa42b7ad8fc9a5a2
SHA256:   14ac6034a5bc0fb2a1afdad42bef4de641556e54ad30d0c46765660a4be55462
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:2.0.50727.3053 (netfxsp.050727-3000)
Product version:2.0.50727.3053
Size:68 KB (69,632 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

ResourcesPrograms

The following programs will install this file
Microsoft Visual J# Redistributable Package
 Microsoft Corporation
1% remove
“The Visual J# Redistributable Package is not intended to run applications written with other Java-language development tools. Applications and services built with Visual J# will run only on the .NET Framework and will not run on any Java Virtual Machine. ”
Microsoft Report Viewer Redistributable 2008
 Microsoft Corporation
2% remove
Microsoft Report Viewer Redistributable 2005
 Microsoft Corporation
7% remove
Microsoft Report Viewer control enables applications that run on the .NET Framework to display reports designed using Microsoft reporting technology. This redistributable package contains Windows Forms and ASP.NET Web server control versions of the Report Viewer.
Microsoft Visual J# Redistributable Package - SE
 Microsoft Corporation
4% remove
“The Visual J# Redistributable Package is not intended to run applications written with other Java-language development tools. Applications and services built with Visual J# will run only on the .NET Framework and will not run on any Java Virtual Machine. Visual J# has been independently developed by Microsoft and is not endorsed or approved by Sun Microsystems, Inc. The Microsoft Visual J#™ Redistributable Package version 2.0 includes e...”

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:0.03036207%
0.028634%
Kernel CPU:0.01937570%
0.013761%
User CPU:0.01098638%
0.014873%
Kernel CPU time:210 ms/min
100,923,805ms/min
Context switches:7/sec
284/sec
Memory
Private memory:1.23 MB
21.59 MB
Private (maximum):2.41 MB
Private (minimum):2.15 MB
Non-paged memory:1.23 MB
21.59 MB
Virtual memory:21.28 MB
140.96 MB
Virtual memory (peak):21.97 MB
169.69 MB
Working set:2.37 MB
18.61 MB
Working set (peak):3.55 MB
37.95 MB
Page faults:2,253/min
2,039/min
I/O
I/O read transfer:112 Bytes/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O write transfer:9 Bytes/sec
274.99 KB/min
I/O write operations:1/sec
227/min
I/O other transfer:146 Bytes/sec
448.09 KB/min
I/O other operations:2/sec
1,671/min
Resource allocations
Threads:4
12
Handles:56
600
GUI GDI count:4
103
GUI USER count:2
49

BehaviorsProcess properties

Integrety level:Undefined
Platform:32-bit
Command lines:
  • C:\windows\microsoft.net\framework\v2.0.50727\mscorsvw.exe
  • C:\faiyas\microsoft.net\framework\v2.0.50727\mscorsvw.exe
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 process:services.exe (Services and Controller app by Microsoft)

ResourcesThreads

Averages
 
ADVAPI32.dll
Total CPU:0.12609866%
0.272967%
Kernel CPU:0.08845727%
0.107585%
User CPU:0.03764139%
0.165382%
Context switches:7/sec
79/sec
Memory:620 KB
1.16 MB
mscorsvw.exe (main module)
Total CPU:0.00491014%
Kernel CPU:0.00491014%
User CPU:0.00000000%
Memory:68 KB
mscorsvc.dll
Total CPU:0.00188207%
Kernel CPU:0.00000000%
User CPU:0.00188207%
Context switches:2/sec
Memory:228 KB

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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