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What is lsm.exe?

Part of Local Session Manager Service by Microsoft

What is it?

Local Security Authority Subsystem Service (LSASS), is a process in Microsoft Windows operating systems that is responsible for enforcing the security policy on the system. It verifies users logging on to a Windows computer or server, handles password changes, and creates access tokens.
(lsm.exe is a system file that is installed with Windows)
Download Boost and enjoy your PC. Speed up Local Session Manager Service and optimize your PC.

How does lsm.exe run?

Process - lsm.exe is an instance of a running program. This program executes under the SYSTEM account within Windows with extensive privileges on the local computer, and acts as the computer on the network. lsm.exe is executed by the process wininit.exe (Windows Start-Up Application by Microsoft).

Community

What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the lsm.exe process running.Of the 0.1% of lsm.exe users, less than 1% have disabled it.
How resource intensive is lsm.exe?
Comparison based on the average resource utilization across all programs.
0.00050% CPU5043.5%
Average CPU utilization across all programs is 0.00001%.
          3.78 MB RAM17.6%
Average private memory utilization across all programs is 21.53 MB.
 2 /min0.1%
Average I/O read and write operations for all programs is 2,253 per minute.
Typical file (disk image) location:
C:\Windows\System32\lsm.exe

Are there other versions of Local Session Manager Service?

lsm.exe - version 6.1.7600.16385 (win7_rtm.090713-1255)
lsm.exe - version 6.0.6001.18000 (longhorn_rtm.080118-1840)
lsm.exe - version 6.0.6000.16386 (vista_rtm.061101-2205) (this)

What else is related?

themeui.dll (Windows-Design-API by Microsoft)
sstext3d.scr (Direct3D-Textbildschirmschoner by Microsoft)
photoviewershim.dll (Windows Live Photo Gallery by Microsoft)
logonui.exe (Windows-Anmeldebenutzeroberfläche by Microsoft)
msxml4a.dll (Microsoft(R) MSXML 4.0 SP1 by Microsoft)
msxml4r.dll (Microsoft(R) MSXML 4.0 SP1 by Microsoft)
msxml4.dll (Microsoft(R) MSXML 4.0 SP 2 by Microsoft)
freecell.exe (Entertainment Pack FreeCell Game by Microsoft)
wiaacmgr.exe (Windows Picture Acquisition Wizard by Microsoft)
prodaiintl1033.dll (ProdAddInIntl by Microsoft)
mimectl.dll (Microsoft® Exchange by Microsoft)
msvcp60.dll (Microsoft (R) Visual C++ by Microsoft)
rstrui.exe (System Restore Application by Microsoft)
dismhost.exe (Dism Host Servicing Process by Microsoft)
bcmsqlstartupsvc.exe (Business Contact Manager for Microsoft Outlook 2010 by Microsoft)
msonsext.dll (Microsoft Office by Microsoft)
encwcbar.dll (Microsoft Encarta by Microsoft)
workfolderssvc.dll (Microsoft® Work Folders Service by Microsoft)
appreadiness.dll (AppReadiness by Microsoft)
ole32.dll (Microsoft OLE for Windows by Microsoft)
microsoft.biztalk.brmacontrols.dll (Microsoft (R) BizTalk (R) Server 2010 by Microsoft)
ssoconfig.exe (Microsoft® Enterprise Single Sign-On by Microsoft)

What Windows OS versions does this run on?

Windows Vista (TM) Home Premium (6.0.6000.0)
Windows Vista (TM) Ultimate (6.0.6000.0)
Windows Vista Ultimate (6.0.6000.0)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
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File details

File name: lsm.exe
Publisher: Microsoft Corporation (verified)
Name: Local Session Manager Service
Description: Microsoft® Windows® Operating System
Version: 6.0.6000.16386 (vista_rtm.061101-2205)
Product version: 6.0.6000.16386
Size: 206 KB
Original file name: lsm.exe.mui
Windows file protection: Yes

Resource utilization

CPU utilization averages
Total CPU: 0.0024804857%
Privileged CPU: 0.0019761394%
User CPU: 0.00050434629240%
Total CPU time: 2,287 ms
Total CPU time /min: 0 ms
Privileged CPU time: 11465.9 ms
Privileged CPU time /min: 2 ms
User CPU time: 1019.86 ms
User CPU time /min: 0 ms
CPU cycle count: 579,525,287
CPU cycle count /min: 14,429,052
Memory utilization averages
Committed memory: 32.3 MB
Peak committed memory: 32.67 MB
Paged memory: 3.78 MB
Peak paged memory: 3.83 MB
Paged system memory: 53.94 KB
Non-paged system memory: 3.77 KB
Working set memory: 2.76 MB
Peak working set memory: 4.51 MB
Min working set memory: 2.09 MB
Private memory: 3.78 MB
Page faults: 16,891
Page faults /min: 6
Process I/O averages
Total read operations: 5
Read operations /min: 1
Total read transfer: 207 Bytes
Read transfer /min: 0 Bytes
Total write operations: 2
Write operations /min: 1
Total write transfer: 228 Bytes
Write transfer /min: 0 Bytes
Total other operations: 198
Other operations /min: 1
Total other transfer: 5.4 KB
Other Transfer /min: 6 Bytes
Resources
Handle count average: 559
Thread count average: 10
Thread resource averages
rpcrt4.dll
ntdll.dll

Process details

Runs as (owner): System
Integrety level: System
Windows platform: 32-bit
Parent Processes
wininit.exe (Windows Start-Up Application by Microsoft)
Process Command
C:\Windows\system32\lsm.exe

Image hashes

MD5: 77f52395637906269b91264ffe576b51
SHA-1: e249ae0fa37ba1afc3cf4609b6b81dfd0be2f37c
SHA-256: aa5c7fde0fe86e812e494d73966475b0b06236e17fb14c2f9839cd3f46664298

PE image details

Langauge*: Microsoft Visual C++
File entropy: 6.50647
File packed: No
Import Table
advapi32.dll
api-ms-win-core-errorhandling-l1-1-0.dll
api-ms-win-core-handle-l1-1-0.dll
api-ms-win-core-heap-l1-1-0.dll
api-ms-win-core-interlocked-l1-1-0.dll
api-ms-win-core-libraryloader-l1-1-0.dll
api-ms-win-core-localregistry-l1-1-0.dll
api-ms-win-core-misc-l1-1-0.dll
api-ms-win-core-processthreads-l1-1-0.dll
api-ms-win-core-profile-l1-1-0.dll
api-ms-win-core-synch-l1-1-0.dll
api-ms-win-core-sysinfo-l1-1-0.dll
api-ms-win-core-threadpool-l1-1-0.dll
api-ms-win-security-base-l1-1-0.dll
api-ms-win-service-management-l1-1-0.dll
api-ms-win-service-management-l2-1-0.dll
api-ms-win-service-winsvc-l1-1-0.dll
kernel32.dll
msvcrt.dll
ntdll.dll
rpcrt4.dll
sysntfy.dll
wmsgapi.dll
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