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

Relationships

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:   6.0.6000.16386 (vista_rtm.061101-2205)
MD5:   abca209eba02cb59233614db83b4f50d
SHA1:   f3a49c0d42455daa097bcfb6455f8f31c20afbf8
SHA256:   cf48e43b33b14234f5004f9f3bf0d973b17a501108f39fb42cf9548fd2124960
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:6.0.6000.16386 (vista_rtm.061101-2205)
Product version:6.0.6000.16386
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:0.00578452%
0.028634%
Kernel CPU:0.00342382%
0.013761%
User CPU:0.00236070%
0.014873%
Kernel CPU time:39,016,830 ms/min
100,923,805ms/min
CPU cycles:3,546,468/sec
17,470,203/sec
Context switches:104/sec
284/sec
Memory
Private memory:4.41 MB
21.59 MB
Private (maximum):8.49 MB
Private (minimum):4.1 MB
Non-paged memory:4.41 MB
21.59 MB
Virtual memory:126 MB
140.96 MB
Virtual memory (peak):190.65 MB
169.69 MB
Working set:5.97 MB
18.61 MB
Working set (peak):13.95 MB
37.95 MB
Page faults:73,055/min
2,039/min
I/O
I/O read transfer:28.18 KB/sec
1.02 MB/min
I/O read operations:847/sec
343/min
I/O write transfer:0 Bytes/sec
274.99 KB/min
I/O write operations:1/sec
227/min
I/O other transfer:1.95 KB/sec
448.09 KB/min
I/O other operations:106/sec
1,671/min
Resource allocations
Threads:12
12
Handles:689
600
GUI GDI count:147
103
GUI USER count:78
49

BehaviorsProcess properties

Integrety level:System
Platform:32-bit
Command line:C:\Windows\System32\csrss.exe objectdirectory=\windows sharedsection=1024,12288,512 windows=on subsystemtype=windows serverdll=basesrv,1 serverdll=winsrC:userserverdllinitialization,3 serverdll=winsrC:conserverdllinitialization,2 profilecontrol=off maxrequestthreads=16
Owner:SYSTEM
Parent processes:

ResourcesThreads

Averages
 
KERNEL32.dll
Total CPU:0.68368365%
0.272967%
Kernel CPU:0.68368365%
0.107585%
User CPU:0.00000000%
0.165382%
CPU cycles:25,605,556/sec
5,741,424/sec
Context switches:23/sec
79/sec
Memory:880 KB
1.16 MB
GDI32.dll
Total CPU:0.36736635%
Kernel CPU:0.36736635%
User CPU:0.00000000%
CPU cycles:9,098,242/sec
Context switches:10/sec
Memory:300 KB
USER32.dll
Total CPU:0.27727834%
Kernel CPU:0.27727834%
User CPU:0.00000000%
CPU cycles:7,758,097/sec
Memory:628 KB
RPCRT4.dll
Total CPU:0.26960376%
Kernel CPU:0.26960376%
User CPU:0.00000000%
CPU cycles:4,360,245/sec
Memory:776 KB
LPK.DLL
Total CPU:0.13246838%
Kernel CPU:0.13246838%
User CPU:0.00000000%
CPU cycles:3,829,297/sec
Context switches:6/sec
Memory:36 KB
CSRSRV.dll
Total CPU:0.09285265%
Kernel CPU:0.06749102%
User CPU:0.02536162%
CPU cycles:1,824,256/sec
Memory:60 KB
ntdll.dll
Total CPU:0.07926346%
Kernel CPU:0.07926346%
User CPU:0.00000000%
CPU cycles:3,172,238/sec
Context switches:4/sec
Memory:1.16 MB
USP10.dll
Total CPU:0.07905621%
Kernel CPU:0.07905621%
User CPU:0.00000000%
CPU cycles:2,224,523/sec
Memory:500 KB
winsrv.dll
Total CPU:0.03228409%
Kernel CPU:0.03228409%
User CPU:0.00000000%
CPU cycles:2,213,581/sec
Memory:384 KB
msvcrt.dll
Total CPU:0.01558233%
Kernel CPU:0.01558233%
User CPU:0.00000000%
CPU cycles:509,146/sec
Memory:680 KB
ADVAPI32.dll
Total CPU:0.01551298%
Kernel CPU:0.01551298%
User CPU:0.00000000%
CPU cycles:730,843/sec
Context switches:6/sec
Memory:792 KB

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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