Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.2.9200.16384 (win8_rtm.120725-1247) 2.58%
6.2.9200.16384 (win8_rtm.120725-1247) 13.73%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.07%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.07%
6.2.8250.0 (winmain_win8beta.120217-1520) 0.02%
6.2.8102.0 (winmain_win8m3.110823-1455) 0.07%
6.1.7600.16385 (win7_rtm.090713-1255) 23.81%
6.1.7600.16385 (win7_rtm.090713-1255) 42.28%
6.0.6000.16386 (vista_rtm.061101-2205) 6.91%
6.0.6000.16386 (vista_rtm.061101-2205) 1.38%
6.0.6000.16386 (vista_rtm.061101-2205) 0.39%
5.2.3790.1830 (srv03_sp1_rtm.050324-1447) 0.05%
5.1.2600.5512 (xpsp.080413-2111) 5.37%
5.1.2600.5512 (xpsp.080413-2111) 0.41%
5.1.2600.5512 (xpsp.080413-2111) 0.30%
5.1.2600.5512 (xpsp.080413-2111) 0.05%
5.1.2600.5512 (xpsp.080413-2111) 0.28%
5.1.2600.5512 (xpsp.080413-2111) 0.02%
5.1.2600.5512 (xpsp.080413-2111) 0.02%
5.1.2600.5512 (xpsp.080413-2111) 0.18%
5.1.2600.5512 (xpsp.080413-2111) 0.05%
5.1.2600.5512 (xpsp.080413-2111) 0.02%
5.1.2600.5512 (xpsp.080413-2111) 0.09%
5.1.2600.5512 (xpsp.080413-2111) 0.14%
5.1.2600.5512 (xpsp.080413-2111) 0.14%
View more

PE structurePE file structure
Show functions
Import table
csrsrv.dll
CsrUnhandledExceptionFilter, CsrServerInitialization
ntdll.dll
RtlSetHeapInformation, RtlSetProcessIsCritical, NtTerminateThread, NtSetInformationProcess, RtlSetUnhandledExceptionFilter, NtTerminateProcess, RtlFreeAnsiString, RtlAllocateHeap, isspace, RtlUnicodeStringToAnsiString, RtlNormalizeProcessParams, DbgBreakPoint, RtlUnhandledExceptionFilter, RtlUnwind, _aullshr

csrss.exe

Client Server Runtime Process by Microsoft

Remove csrss.exe
Version:   5.1.2600.5512 (xpsp.080413-2111)
MD5:   9b22aae3566aefee33ce498dbe0d2fd2
SHA1:   00ea3c45b5168cd204d021325f5853f9e9564e35
SHA256:   c2ad4da8db58be4db12fe93451f24d3070c591bb4e8d56fa1505a7cd3bad6e4d
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is csrss.exe?

Client/Server Runtime Subsystem, or csrss.exe, is a component of the Microsoft Windows NT operating system that provides the user mode side of the Win32 subsystem and is included in Windows 2000, XP, 2003, Vista, Server 2008 and 7. Because most of the Win32 subsystem operations have been moved to kernel mode drivers, in Windows NT 4 and later CSRSS is mainly responsible for Win32 console handling and GUI shutdown.

About csrss.exe (from Microsoft)

“CSRSS runs as a user-mode system service. When a user-mode process calls a function involving console windows, process/thread creation, or Side-by-Side support, instead of issuing a system call, the W”

DetailsDetails

File name:csrss.exe
Publisher:Microsoft Corporation
Product name:Client Server Runtime Process
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\csrss.exe
Original name:CSRSS.Exe.MUI
File version:5.1.2600.5512 (xpsp.080413-2111)
Product version:5.1.2600.5512
Size:6 KB (6,144 bytes)
Digital DNA
Entropy:4.291245
File packed:No
.NET CLR:No
More details

BehaviorsBehaviors

Scheduled task
  • Entry path '\{1B908455-E233-4AF6-9EA8-FB47FE9E21E2}'

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00710647%
0.028634%
Kernel CPU:0.00464844%
0.013761%
User CPU:0.00245803%
0.014873%
Kernel CPU time:18,512,402 ms/min
100,923,805ms/min
Context switches:104/sec
284/sec
Memory
Private memory:1.75 MB
21.59 MB
Private (maximum):5.13 MB
Private (minimum):1.86 MB
Non-paged memory:1.75 MB
21.59 MB
Virtual memory:30.27 MB
140.96 MB
Virtual memory (peak):38.03 MB
169.69 MB
Working set:3.27 MB
18.61 MB
Working set (peak):8.07 MB
37.95 MB
Page faults:30,083/min
2,039/min
I/O
I/O read transfer:6.48 KB/sec
1.02 MB/min
I/O read operations:102/sec
343/min
I/O other transfer:1.73 KB/sec
448.09 KB/min
I/O other operations:120/sec
1,671/min
Resource allocations
Threads:14
12
Handles:572
600
GUI GDI count:61
103
GUI USER count:61
49

BehaviorsProcess properties

Integrety level:Undefined
Platform:32-bit
Command lines:
  • C:\Windows\System32\csrss.exe objectdirectory=\windows sharedsection=1024,3072,512 windows=on subsystemtype=windows serverdll=basesrv,1 serverdll=winsrC:userserverdllinitialization,3 serverdll=winsrC:conserverdllinitialization,2 profilecontrol=off maxrequestthreads=16
  • C:\winxp\system32\csrss.exe objectdirectory=\windows sharedsection=1024,3072,512 windows=on subsystemtype=windows serverdll=basesrv,1 serverdll=winsrC:userserverdllinitialization,3 serverdll=winsrC:conserverdllinitialization,2 profilecontrol=off maxrequestthreads=16
  • C:\win12515\system32\csrss.exe objectdirectory=\windows sharedsection=1024,3072,512 windows=on subsystemtype=windows serverdll=basesrv,1 serverdll=winsrC:userserverdllinitialization,3 serverdll=winsrC:conserverdllinitialization,2 profilecontrol=off maxrequestthreads=16
Owner:User
Parent process:smss.exe (by Microsoft)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 58.00%
Windows 7 Ultimate 23.00%
Windows 7 Professional 12.00%
Windows 7 Home Basic 5.00%
Windows Seven Black Edition 1.00%
Windows Vista Home Premium 1.00%

Distribution by countryDistribution by country

United States installs about 49.49% of Client Server Runtime Process.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 26.56%
Hewlett-Packard 19.14%
Acer 15.23%
ASUS 14.06%
Toshiba 12.50%
Sony 6.25%
Alienware 1.56%
Samsung 1.56%
GIGABYTE 1.56%
Lenovo 1.56%
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