Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.3.9600.16384 (winblue_rtm.130821-1623) 1.66%
6.3.9600.16384 (winblue_rtm.130821-1623) 2.70%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.22%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.04%
6.2.9200.16384 (win8_rtm.120725-1247) 0.74%
6.2.9200.16384 (win8_rtm.120725-1247) 0.57%
6.2.9200.16384 (win8_rtm.120725-1247) 0.13%
6.2.9200.16384 (win8_rtm.120725-1247) 11.54%
6.2.9200.16384 (win8_rtm.120725-1247) 1.44%
6.2.9200.16384 (win8_rtm.120725-1247) 0.74%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.09%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.09%
6.2.8250.0 (winmain_win8beta.120217-1520) 0.04%
6.2.8102.0 (winmain_win8m3.110823-1455) 0.09%
6.1.7601.17514 (win7sp1_rtm.101119-1850) 32.67%
6.1.7601.17514 (win7sp1_rtm.101119-1850) 16.94%
6.1.7601.17514 (win7sp1_rtm.101119-1850) 0.09%
6.1.7601.17514 (win7sp1_rtm.101119-1850) 0.04%
6.1.7601.17514 (win7sp1_rtm.101119-1850) 0.04%
6.1.7601.17514 (win7sp1_rtm.101119-1850) 0.04%
6.1.7601.17514 (win7sp1_rtm.101119-1850) 0.04%
6.1.7600.16385 (win7_rtm.090713-1255) 2.87%
6.1.7600.16385 (win7_rtm.090713-1255) 2.35%
6.1.7600.16385 (win7_rtm.090713-1255) 2.44%
6.1.7600.16385 (win7_rtm.090713-1255) 1.00%
View more

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:   01c3346c241652f43aed8e2149881bfe
SHA1:   a5396141cab8b22d9d88b28a814089537dce366a
SHA256:   affd0973cd3128083417d407f62bc4a635fc25b65dbf52e91d3ab4ae2f9c1b4a
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”

DetailsDetails

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:490.5 KB (502,272 bytes)
Digital DNA
Entropy:6.338183
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

BehaviorsBehaviors

Windows firewall allowed program
Exceptions allow programs to access to the Internet through an outbound connections
  • Firewall exception for 'C:\Windows\system32\winlogon.exe'
Network connections
Access through an approved Windows firewall exception
  • [UDP] listens on port 1068
  • [UDP] listens on port 1052

    • ResourcesResource utilization

    (Note: statistics below are averages based on a minimum sample size of 200 unique participants)
    Averages
     
    CPU
    Total CPU:0.01756280%
    0.028634%
    Kernel CPU:0.00949457%
    0.013761%
    User CPU:0.00806823%
    0.014873%
    Kernel CPU time:1,736 ms/min
    100,923,805ms/min
    Context switches:2/sec
    284/sec
    Memory
    Private memory:6.93 MB
    21.59 MB
    Private (maximum):5.21 MB
    Private (minimum):3.31 MB
    Non-paged memory:6.93 MB
    21.59 MB
    Virtual memory:54.71 MB
    140.96 MB
    Virtual memory (peak):60.29 MB
    169.69 MB
    Working set:4.45 MB
    18.61 MB
    Working set (peak):15.6 MB
    37.95 MB
    Page faults:14,393/min
    2,039/min
    I/O
    I/O read transfer:4.92 KB/sec
    1.02 MB/min
    I/O read operations:1/sec
    343/min
    I/O write transfer:892 Bytes/sec
    274.99 KB/min
    I/O write operations:1/sec
    227/min
    I/O other transfer:568 Bytes/sec
    448.09 KB/min
    I/O other operations:12/sec
    1,671/min
    Resource allocations
    Threads:19
    12
    Handles:498
    600
    GUI GDI count:44
    103
    GUI USER count:13
    49

    BehaviorsProcess properties

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

    ResourcesThreads

    Averages
     
    ntdll.dll
    Total CPU:0.01617249%
    0.272967%
    Kernel CPU:0.00759937%
    0.107585%
    User CPU:0.00857312%
    0.165382%
    Memory:708 KB
    1.16 MB
    RPCRT4.dll
    Total CPU:0.00353450%
    Kernel CPU:0.00238596%
    User CPU:0.00114854%
    Memory:580 KB
    WINMM.dll
    Total CPU:0.00087858%
    Kernel CPU:0.00077244%
    User CPU:0.00010614%
    Memory:180 KB
    sfc_os.dll
    Total CPU:0.00076191%
    Kernel CPU:0.00000000%
    User CPU:0.00076191%
    Memory:168 KB
    USERENV.dll
    Total CPU:0.00042138%
    Kernel CPU:0.00030728%
    User CPU:0.00011410%
    Memory:716 KB
    wgalogon.dll (Windows Genuine Advantage by Microsoft)
    Total CPU:0.00012984%
    Kernel CPU:0.00012984%
    User CPU:0.00000000%
    Memory:236 KB
    cscdll.dll (Offline Network Agent by Microsoft)
    Total CPU:0.00004710%
    Kernel CPU:0.00004710%
    User CPU:0.00000000%
    Memory:116 KB

    Windows OS versionsDistribution by Windows OS

    OS versiondistribution
    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 countryDistribution by country

    United States installs about 39.50% of Windows Logon Application.

    OEM distributionDistribution by PC manufacturer

    PC Manufacturerdistribution
    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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