Versions

6.3.9600.16384 (winblue_rtm.130821-1623)	5.84%
6.3.9431.0 (winmain_bluemp.130615-1214)	0.65%
6.2.9200.16384 (win8_rtm.120725-1247)	3.90%
6.2.9200.16384 (win8_rtm.120725-1247)	20.13%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	15.58%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	33.77%
6.1.7600.16385 (win7_rtm.090713-1255)	3.90%
6.1.7600.16385 (win7_rtm.090713-1255)	5.84%
6.00.2900.5512 (xpsp.080413-2105)	0.65%
6.0.6001.18000 (longhorn_rtm.080118-1840)	1.30%
6.0.6001.18000 (longhorn_rtm.080118-1840)	8.44%

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

There are 11 versions of LogonUI.exe in the wild, the latest version being 6.3.9600.16384 (winblue_rtm.130821-1623). LogonUI.exe is run as a standard windows process in the context of the SYSTEM account with extensive privileges. The average file size is about 59.32 KB. During the process's lifecycle, the typical CPU resource utilization is less than 0.01%, the average private memory consumption is about 12.32 MB with the maximum memory reaching around 22.72 MB. Addionally, typically read and write I/O disk operations is about 14.84 KB per minute for reads and 95 Bytes per minute for writes.

Windows Logon UI (LogonUI.exe) implements the graphical user interface shown when a user is asked to log in to the local machine.