6.1.7600.16385 (win7_rtm.090713-1255) 7.38%
6.1.7600.16385 (win7_rtm.090713-1255) 51.77%
6.1.7600.16385 (win7_rtm.090713-1255) 24.05%
6.1.7600.16385 (win7_rtm.090713-1255) 4.77%
6.1.7600.16385 (win7_rtm.090713-1255) 0.06%
6.1.7600.16385 (win7_rtm.090713-1255) 0.12%
6.1.7600.16385 (win7_rtm.090713-1255) 0.06%
6.1.7600.16385 (win7_rtm.090713-1255) 0.12%
6.0.6001.18000 (longhorn_rtm.080118-1840) 9.11%
6.0.6001.18000 (longhorn_rtm.080118-1840) 1.98%
6.0.6000.16386 (vista_rtm.061101-2205) 0.56%



Local Session Manager Service by Microsoft

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


There are 11 versions of lsm.exe in the wild, the latest version being 6.1.7600.16385 (win7_rtm.090713-1255). lsm.exe is run as a standard windows process in the context of the SYSTEM account with extensive privileges. The average file size is about 278.18 KB. During the process's lifecycle, the typical CPU resource utilization is about 0.0006% including both foreground and background operations, the average private memory consumption is about 2.71 MB with the maximum memory reaching around 4.14 MB. Addionally, typically read and write I/O disk operations is about 329 Bytes per minute for reads and 2 Bytes per minute for writes.

What is lsm.exe?

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.


File name:lsm.exe
Publisher:Microsoft Corporation
Product name:Local Session Manager Service
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\lsm.exe
Original name:lsm.exe.mui

VersionsAll file variations of lsm.exe

MD5SHA-1File size
398dc10274c0cb861338cfc56e727c9f 94cac404a11a819ad94d4a00d3e0d9d8c2a8b6db 255 KB
9662ee182644511439f1c53745dc1c88 6766228926eb48344451737c61d0e05dbe390591 335 KB
8aea9a37c1a3565a204d37c5e72ab791 e16beae2233832547bac23fbd82d5321cfc5d645 261.5 KB
04fca22b77a2e37332cc8226187af87b e7bf6a3c3aa24f91288f55f4059cf27cab333f19 325.5 KB
a5f91f730dbe5479f010bbcb4957818f dfbca10b07969014968cfa46f270f19b3ba956d9 335.5 KB
54c98ec578c425e97c10874701c365c3 84ae6362cab05f2f2957db454424b80afa323793 261.5 KB
1e974d77ee32c7bd66f4f37ee5fb7f2f c8615bbce5f2198fe10e2eff7c5d7118f78f8f71 262 KB
b94c7f9676edf2caaa5663a7e77ff644 777f26cc4bfbcab3869e1e747b4c97ea2565e72f 335 KB
4774ad6c447e02e954bd9a793614ebec 74b1a01a434767d9c68b409a44780f79363eb712 224.5 KB
54d814dc2fa54aa847d240d4ea0e6586 a53ba6d21c9f3e90bf3036ef232c8645f38ad2d4 258.5 KB
77f52395637906269b91264ffe576b51 e249ae0fa37ba1afc3cf4609b6b81dfd0be2f37c 206 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 50.00%
Windows 7 Ultimate 29.25%
Windows 7 Professional 10.25%
Windows Vista Home Premium 4.00%
Windows 7 Home Basic 3.00%
Windows 7 Starter 0.75%
Windows 7 Enterprise 0.75%
Windows Seven Black Edition 0.50%
Windows Vista Home Basic 0.50%
Windows Vista Ultimate 0.50%
Windows Se7en Titan 0.25%
Windows Vista Business 0.25%

Distribution by countryDistribution by country

United States installs about 40.40% of Local Session Manager Service.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 21.56%
Hewlett-Packard 17.29%
ASUS 17.10%
Acer 13.01%
Toshiba 10.04%
Sony 5.95%
Lenovo 3.72%
Samsung 2.04%
Intel 1.86%
MSI 1.12%
Alienware 0.93%
Medion 0.74%
American Megatrends 0.56%
Sahara 0.37%
Gateway 0.37%
NEC 0.37%
Compaq 0.37%
Should I remove It? Clean your PC of unwanted adware, toolbars and bloatware.

Download it for FREE