Should I block it?

No, this file is 100% safe to run.

Additional versions

6.3.9600.16384 (winblue_rtm.130821-1623)	1.89%
6.3.9600.16384 (winblue_rtm.130821-1623)	3.09%
6.3.9431.0 (winmain_bluemp.130615-1214)	0.25%
6.3.9431.0 (winmain_bluemp.130615-1214)	0.05%
6.2.9200.16384 (win8_rtm.120725-1247)	0.85%
6.2.9200.16384 (win8_rtm.120725-1247)	0.65%
6.2.9200.16384 (win8_rtm.120725-1247)	0.15%
6.2.9200.16384 (win8_rtm.120725-1247)	13.20%
6.2.9200.16384 (win8_rtm.120725-1247)	1.64%
6.2.9200.16384 (win8_rtm.120725-1247)	0.85%
6.2.8400.0 (winmain_win8rc.120518-1423)	0.10%
6.2.8400.0 (winmain_win8rc.120518-1423)	0.10%
6.2.8250.0 (winmain_win8beta.120217-1520)	0.05%
6.2.8102.0 (winmain_win8m3.110823-1455)	0.10%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	37.35%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	19.37%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	0.10%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	0.05%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	0.05%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	0.05%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	0.05%
6.1.7600.16385 (win7_rtm.090713-1255)	3.29%
6.1.7600.16385 (win7_rtm.090713-1255)	2.69%
6.1.7600.16385 (win7_rtm.090713-1255)	2.79%
6.1.7600.16385 (win7_rtm.090713-1255)	1.15%
View more
6.1.7600.16385 (win7_rtm.090713-1255)	0.05%
6.0.6001.18000 (longhorn_rtm.080118-1840)	7.07%
6.0.6001.18000 (longhorn_rtm.080118-1840)	0.05%
6.0.6001.18000 (longhorn_rtm.080118-1840)	1.54%
6.0.6001.18000 (longhorn_rtm.080118-1840)	0.50%
6.0.6000.16386 (vista_rtm.061101-2205)	0.40%
6.0.6000.16386 (vista_rtm.061101-2205)	0.05%
5.1.2600.5512 (xpsp.080413-2113)	0.30%
5.1.2600.5512 (xpsp.080413-2113)	0.05%
5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)	0.05%
5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)	0.05%

Relationships

Child processes

Related files

winlogon.exe

Windows Logon Application by Microsoft

Remove winlogon.exe

Version:	5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)
MD5:	7189e588041174198281933eb2ca449c
SHA1:	bcd4eadc35d6d016d2c7104889d2f85545dcf551
SHA256:	c835c0bd0f4fda90fc1d33cb2ef9349f8938d88382277dc22a1588c64c75d0c9

This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is winlogon.exe?

Winlogon is the component of Windows that is responsible for handling the secure attention sequence, loading the user profile on logon, and optionally locking the computer when a screensaver is running (requiring another authentication step).

About winlogon.exe (from Microsoft)

“Winlogon handles interface functions that are independent of authentication policy. It creates the desktops for the window station, implements time-out operations, and provides a set of support functi”

Details

File name:	winlogon.exe
Publisher:	Microsoft Corporation
Product name:	Windows Logon Application
Description:	Microsoft® Windows® Operating System
Typical file path:	C:\Windows\System32\winlogon.exe
Original name:	WINLOGON.EXE.MUI
File version:	5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)
Product version:	5.1.2600.2180
Size:	476.5 KB (487,936 bytes)
Build date:	8/4/2004 2:14 PM
Digital DNA
Entropy:	6.338183
File packed:	No
Code language:	Microsoft Visual C++
.NET CLR:	No

More details

Behaviors

Windows firewall allowed program

Exceptions allow programs to access to the Internet through an outbound connections

Firewall exception for 'C:\Windows\system32\winlogon.exe'

Resource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)

Averages

CPU
Total CPU:	0.01069815%	0.028634%
Kernel CPU:	0.00509799%	0.013761%
User CPU:	0.00560016%	0.014873%
Kernel CPU time:	1,813 ms/min	100,923,805ms/min
Memory
Private memory:	7.68 MB	21.59 MB
Private (maximum):	2.6 MB
Private (minimum):	84 KB
Non-paged memory:	7.68 MB	21.59 MB
Virtual memory:	63.29 MB	140.96 MB
Virtual memory (peak):	64.55 MB	169.69 MB
Working set:	2.27 MB	18.61 MB
Working set (peak):	13.16 MB	37.95 MB
Resource allocations
Threads:	20	12
Handles:	528	600
GUI GDI count:	46	103
GUI USER count:	16	49

Process properties

Integrety level:	Undefined
Platform:	32-bit
Command line:	winlogon.exe
Owner:	SYSTEM
Parent process:	smss.exe (Windows NT Session Manager by Microsoft)

Threads

Averages

WINMM.dll
Total CPU:	0.00050896%	0.272967%
Kernel CPU:	0.00044534%	0.107585%
User CPU:	0.00006362%	0.165382%
Memory:	168 KB	1.16 MB
RPCRT4.dll
Total CPU:	0.00039091%
Kernel CPU:	0.00039091%
User CPU:	0.00000000%
Memory:	580 KB
USERENV.dll
Total CPU:	0.00031802%
Kernel CPU:	0.00025441%
User CPU:	0.00006361%
Memory:	696 KB
wdmaud.drv
Total CPU:	0.00006362%
Kernel CPU:	0.00000000%
User CPU:	0.00006362%
Memory:	36 KB

Distribution by Windows OS

OS version	distribution
Windows 8.1	23.00%
Windows 7 Home Premium	23.00%
Windows 8.1 Pro	10.50%
Windows 7 Ultimate	10.50%
Windows 8	5.50%
Windows 8.1 Single Language	5.00%
Windows 8 Single Language	3.50%
Windows 8 Pro	3.50%
Windows 8.1 Pro with Media Center	2.50%
Windows Vista Home Premium	2.50%
Windows 7 Professional	2.50%
Windows 7 Home Basic	1.50%
Windows 8 Enterprise N	1.00%
Windows 8 Enterprise	1.00%
Windows 8.1 N	0.50%
Windows Seven Black Edition	0.50%
Windows 8.1 Enterprise Evaluation	0.50%
Windows 7 Starter	0.50%
Windows 8.1 Enterprise	0.50%
Windows 8.1 Pro Preview	0.50%
Windows Vista Home Basic	0.50%
23 other Windows OS version

Distribution by country

United States installs about 39.50% of Windows Logon Application.

Distribution by PC manufacturer

PC Manufacturer	distribution
ASUS	19.62%
Dell	18.11%
Hewlett-Packard	14.72%
Lenovo	12.08%
Acer	11.70%
Toshiba	9.06%
Intel	3.02%
Sony	3.02%
GIGABYTE	2.64%
Alienware	2.26%
Samsung	1.89%
Medion	1.51%
Sahara	0.38%

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