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What is lsass.exe?

Part of LSA Shell (Export Version) 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.

What if I disable LSA Shell (Export Version)?

Termination of lsass.exe will result in the Welcome screen losing its accounts, prompting a restart of the PC.
(lsass.exe is a system file that is installed with Windows)
Download Boost (100% FREE) Speed up LSA Shell (Export Version) and optimize your PC.

How does lsass.exe run?

Service - lsass.exe runs as a background Windows service called 'PolicyAgent' (Usługi IPSEC). This is a system service that is installed with the Windows operating system and protected with Window's File Protection.


What is the community is seeing?What is the community is doing?
About 0.2% of all Boost users have the lsass.exe process running.Of the 0.2% of lsass.exe users, less than 1% have disabled it.
How resource intensive is lsass.exe?
Comparison based on the average resource utilization across all programs.
0.00434% CPU43368.2%
Average CPU utilization across all programs is 0.00001%.
62.14 MB RAM288.6%
Average private memory utilization across all programs is 21.53 MB.
1,804 /min80.1%
Average I/O read and write operations for all programs is 2,253 per minute.
         4 GDI objects2.7%
Average number of GUI GDI and USER objects for all programs is 150.
89 context switches/sec89.0%
Average context switches for all programs is 100 per second.
Typical file (disk image) location:

Are there other versions of LSA Shell (Export Version)?

What else is related?

What Windows OS versions does this run on?

Microsoft Windows XP (5.1.2600.196608)

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: lsass.exe
Publisher: Microsoft Corporation (verified)
Name: LSA Shell (Export Version)
Description: Microsoft® Windows® Operating System
Version: 5.1.2600.5512 (xpsp.080413-2113)
Product version: 5.1.2600.5512
Size: 13 KB
Original file name: lsass.exe
Windows file protection: Yes

Resource utilization

CPU utilization averages
Total CPU: 0.0130104749%
Privileged CPU: 0.0086736499%
User CPU: 0.00433682495811%
Privileged CPU time: 4496875 ms
Privileged CPU time /min: 8,740 ms
Context switches /sec: 89
Memory utilization averages
Committed memory: 109.45 MB
Peak committed memory: 110.71 MB
Paged memory: 62.14 MB
Peak paged memory: 62.31 MB
Paged system memory: 108.15 KB
Non-paged system memory: 42.98 KB
Working set memory: 2.59 MB
Peak working set memory: 37.01 MB
Min working set memory: 484 KB
Private memory: 62.14 MB
Page faults: 45,840
Page faults /min: 89
Process I/O averages
Total read operations: 511,496
Read operations /min: 994
Total read transfer: 28.75 MB
Read transfer /min: 57.21 KB
Total write operations: 416,661
Write operations /min: 810
Total write transfer: 21.27 MB
Write transfer /min: 42.33 KB
Total other operations: 935,117
Other operations /min: 1,817
Total other transfer: 5.7 MB
Other Transfer /min: 11.35 KB
GUI Object Averages
GDI objects: 4
Handle count average: 1,833
Thread count average: 31

Process details

Runs as (owner): User
Integrety level: Undefined
Windows platform: 32-bit
Runs as a service: Yes
Parent Process
Process Command

Service details

Name: Usługi IPSEC
Service name: PolicyAgent
Service type: Win32ShareProcess
Description: “Zarządza zasadami zabezpieczeń IP i uruchamia sterownik ISAKMP/Oakley (IKE) i sterownik zabezpieczeń IP.”

Network connectivity

UDP: LISTENING on port 4500

Image hashes

MD5: 88296f7943f30a1ee3af735440b92268
SHA-1: 30b65a5b0fccb831b275eebd7a69c55f088abe2b

PE image details

File entropy: 6.49298
File packed: No
Import Table
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