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Popular: svchost.exe | csrss.exe | rthdcpl.exe | spoolsv.exe | mrt.exe | lsass.exe | Home | Manufacturers | Top 1000

lsass.exe (lsass) Windows process description

Windows 7, Windows XP or Windows Vista software, task, program or application with exename lsass.exe

Specific issues and troubleshooting:

What is lsass.exe - purpose and description:

lsass.exe is a system process of the Microsoft Windows security mechanisms - the Local Security Authentication Server. It verifies the validity of user logons to your PC or Server. It generates the process responsible for authenticating users for the Winlogon service. This program is important for the stable and secure running of your computer and should not be terminated. Note: This process name is also reported as a virus or trojan (Kazaa, Nimos, Sasser, Lowgate). In this case, the running process is a security risk and should be removed immediatelly.

lsass.exe Security risk rating: N/A (not available)
Trojan and malware info: N/A*
Typical errors: File not found, An error occurred in file, Not responding, Application Error 0x, Howto delete, stop, run, remove and find the file...
Note: N/A is an abbreviation for "Not available". That means that now we have no information if this process is harmful or not.

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Latest user reviews

Summary: 1 user rated this process. Average security risk: Very low

Average user rating of lsass.exe: 5 5 based on 1 votes and/or 1 reviews.

Disclaimer: this user reviews are provided "as is" without any warranty. Reviews are uncensored opinions submitted by our users. We are not responsible for the content of these User Reviews.

User (IP)Security risk
98.66.185.* Very low
essential part of the windows os

Read ALL user reviews for lsass.exe, write your own review

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lsass.exe version list:

The name lsass.exe can be used by many programs from different vendors. Also, the same vendor can create lsass.exe in more than one version. Thus, we distinguish between all variants of lsass.exe using so called "checksum". Checksum is unique number identifying particular version of lsass.exe:

Checksum Version Size (in bytes) Manufacturer
A72F445A 5.1.2600.2180 13312

Microsoft Corporation

5945090 5.1.2600.2180 13312

Microsoft Corporation

943D58B0

Microsoft Corporation

42DC09D3

Microsoft Corporation

B1674B46

Microsoft Corporation

16C5D894

Microsoft Corporation

599576C6

Microsoft Corporation

2ce6b38b

Microsoft Corporation

37ee9742

Microsoft Corporation

1692d1cf

Microsoft Corporation

d0b6cfa8

Microsoft Corporation

94fb618b 6.1.7600.16915

Microsoft Corporation

87d5ff50 6.1.7601.18270

Microsoft Corporation

601e8480 6.1.7601.18270

Microsoft Corporation

3b7a7c53 6.1.7601.18443

Microsoft Corporation

8f370675 6.1.7601.18719

Microsoft Corporation

eecb06d3 6.1.7601.18779

Microsoft Corporation

6b015b66 6.1.7601.18798

Microsoft Corporation

e4490083 6.1.7601.18839

Microsoft Corporation

6e6a19c2 6.1.7601.18869

Microsoft Corporation

4a7606e7 6.1.7601.18912

Microsoft Corporation

5d0a2112 6.1.7601.18933

Microsoft Corporation

410914b4 6.1.7601.18939

Microsoft Corporation

cfe44be5 6.1.7601.18951

Microsoft Corporation

f2219f2c 10.0.10240.16384

Microsoft Corporation

ffde40a3 6.1.7601.19007

Microsoft Corporation

deca3132 6.1.7601.19045

Microsoft Corporation

4b0d9820 6.1.7601.19110

Microsoft Corporation

4f1f2717 6.1.7601.19135

Microsoft Corporation

9e2b63bc 6.1.7601.19160

Microsoft Corporation

56ba059f 6.1.7601.23392

Microsoft Corporation

f6934a51 10.0.10586.0

Microsoft Corporation

b2a1a546 6.1.7601.23418

Microsoft Corporation

581130dc 6.1.7601.23419

Microsoft Corporation

70378041 5.1.2600.2180 13312
2994FAFE 5.1.2600.1106 11776
68DB4F5D 5.1.2600.2180 13312
D4343783 5.1.2600.0 11776
8BDD0780 5.1.2600.0 11776
7F41B1D7 5.1.2600.2180 13312
E10D9EAB 5.1.2600.2180 13312
5F46BC9D 5.1.2600.2180 13312
BE43F45C 5.1.2600.2180 13312
236710EF 5.1.2600.2180 13312
8CAE6E28 5.1.2600.1106 11776
7EAD84E8 5.1.2600.1106 11776
B83FD955 5.1.2600.0 11776
AC258ABC 5.00.2195.6695 39184
732001B 5.00.2195.7011 33552
5ED9D4A 5.1.2600.0 11776
< unknown >
1BE99B23 5.00.2195.6902 33552
70CBDC7A 5.00.2195.7011 39184
BA4D16D3 5.00.2195.2964 33552
BF785E02 5.1.2600.2096 13312
B319DFB9 5.1.2600.0 11776
BA0B192B 5.1.2600.0 11776
66C8CD4A 5.1.2600.2180 13312
9A2D9B32 5.1.2600.2180 13312
34C77126 5.1.2600.2180 13312
5222EAA4 5.00.2195.6902 38160
C405D9BC 5.1.2600.2180 13312
46681371 5.1.2600.2180 13312
B383FEAE 5.00.2195.7011 33552
AC08C36F 5.1.2600.1106 11776
3E129DB9 5.1.2600.2180 13312
A3A45D6F 5.1.2600.2180 13312
91508EA2 5.1.2600.1106 11776
21561DC4 5.1.2600.0 11776
1E671930 5.1.2600.2180 13312
30129219 5.1.2600.1106 11776
15AD8327 5.00.2195.6695 35088
45880DBE 5.00.2195.7011 38160
2831A7C 5.1.2600.2180 13312
947B624B 5.1.2600.1106 11776
EB227748 5.1.2600.2180 13312
F91E836F 5.1.2600.1081 11776
8E100EA9 5.1.2600.2180 13312
A7533415 5.1.2600.1106 11776
FE4472B6 5.00.2195.5430 38160
88A791D1 5.1.2600.2180 13312
EC5DB1F1 5.1.2600.1106 11776
732854DC 5.00.2195.6695 33552
2E585FE0 5.1.2600.2180 13312
43234D78 5.00.2195.7011 36112
F6F4081 5.1.2600.2180 13312
8DF109C2 5.1.2600.2180 13312
594C29C7 5.1.2600.0 11776
1A7A9572 5.00.2195.6902 36112
29F4016 5.00.2195.7011 35088
94DA3D95 5.00.2184.1 39184
20D6072F 5.00.2195.6902 37648
398215E3 5.1.2600.2180 13312
FF3BA246 5.00.2195.7011 39184
8E3FE8FF 5.1.2600.0 11776
4FD51912 5.1.2600.0 11776
9BA38AC3 5.1.2600.2180 13312
D71EF30B 5.1.2600.0 11776
FF569A4E 5.1.2600.2180 13312
85242943 5.1.2600.2180 13312
194BA715 5.2.3790.0 13312
1A4243C0 5.2.3790.0 16384
4D3BC3D6 5.1.2600.2180 13312
2684BC98 5.1.2600.1106 11776
8616E98F 5.1.2600.1106 11776
9384CEC8 5.00.2195.6695 38160
915F344F 5.1.2600.2180 13312
E968D337 5.1.2600.0 11776
F58B1ED7 6.0.6000.16386 7680
153881A0 5.00.2195.6695 33552
E29B9E00 5.1.2600.0 11776
AC8016C2 5.1.2600.2180 13312
11B2E25B 5.1.2600.0 11776
BB66E749 5.1.2600.0 11776
98D00EDD 5.1.2600.1106 11776
E398DF6D 5.2.3790.0 16384
BB2FC9B3 5.00.2184.1 33552
FDB05400 5.00.2195.6695 33552
58193FCB 5.1.2600.0 11776
FFBB5F78 5.1.2600.2180 13312
52240B1A 42713
FB62B909 5.00.2195.1620 33552
B1A7DA6C 6.0.6000.16386 7680
DD39D0EF
521C5496
50B74EC4
5B45B59C
AE7078E7
14D8858E
A8E7AE3C
B3FD033B
ED6AC52
7A11FA52
2BDD4D7E
F6EC7230
16EB66A7
E6FAB19A
974841BE
DF6663CB
DDA599EF
877C964D
23496AEC
ECEAD7CE
50B6071A
5B0B3C80
6C429E0C
CA317E9A
43A74A4C
67B8FBA8
8FBD55ED
38DDEAF
4898b67d
163014b4
9384620a
1332e628
d733b6b8
72bfff4e
26f13d7c
c725f64f
ff76bca2

Retypes: wxe, rxe, eze, ece, exw, exr, eexe, exxe, exee, ksass, ;sass, laass, ldass, lssss, lsaas, lsads, lsasa, lsasd, llsass, lssass, lsaass, lsasss, lsasss, sass, lass, lsss, lsas, lsas, lzazz,

Help us: where is located on your harddisk?

"C:\Windows\system32\"
"C:\Windows\"
"C:\"
"C:\Program files\%subfolder%\"
Other
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lsass.exe