PC Pitstop Libraries > Process Library > lsass.exe
Welcome to the PC Pitstop process library the most comprehensive and accurate library in the world. All PC Pitstop products are cloud based enabling greater tracking of the world's running processes including malware, good software and performance hogs.

Search For Processes

Process Name

  

What is lsass.exe? Local Security Authority

Vendor:      Microsoft
Product:     Windows
Vendor Website:     
Last Seen by PC Pitstop:      No Data

Process is Bad PC Pitstop has analyzed this process and determined that there is a high likelihood that it is bad.
Process is questionablePC Pitstop has analyzed this process and determined that the safety of this process is questionable.
Process is goodPC Pitstop has analyzed this process and determined that there is a high likelihood that it is good.
Process is goodThis process is a Microsoft or Windows process, but many viruses use this file name to escape notice.

PC Pitstop Analysis

Purpose: lsass.exe provides security functions in Windows 2000/XP. Leave it running, is very important for windows.

lsass.exe is an essential part of Windows and required for Windows to work properly. It should never be disabled.

PC Pitstop recommends WinPatrol Plus for monitoring all of the background activity on your PC. WinPatrol Plus provides an easy to understand descriptions of over 15,000 processes and programs.


lsass.exe is known to be a bad process. Start this Free scan to check your other threats to your PCs security, like this file.
lsass.exe could be a harmful process. Start this Free Scan to check for threats to your PC Security.
This information brought to you by PC Matic SuperShield. Start this Free scan to check your threats to your PCs security.
lsass.exe is a Microsoft or Windows process but some versions of this exe carry viruses.
Check your PC for the bad versions of this file - with this
Free Security Scan.

lsass.exe Technical Information

Percentage of recently scanned PC's with this process running: 24.02%
Average CPU use for this program: 0%
Average RAM for this program: 3 MB

MD5 Hash Analysis

Program Name MD5 Count
lsass.exe

MD5 Hashes Expand md5 List Collapse md5 List
# Status MD5 File Info Last Seen Signed Day Week Month Threat info
1 Status 0xbf2466b3e18e970d8a976fb95fc1ca85 More File Information 6/6/2013 Unsigned 0 0 8 Not Applicable
2 Status 0x81951f51e318aecc2d68559e47485cc4 More File Information 6/5/2013 Unsigned 0 0 3 Not Applicable
3 Status 0xa3e186b4b935905b829219502557314e More File Information 5/2/2013 Unsigned 0 0 0 Not Applicable
4 Status 0xfa7b950e4ca6aa260c4eaba19e03644d More File Information 4/2/2013 Unsigned 0 0 0 Not Applicable
5 Status 0x747ed861374e5589ee56d28e01bdcfe1 More File Information 3/30/2013 Unsigned 0 0 0 Not Applicable
6 Status 0x71cdc32011166408fafec7ac8d6368b4 More File Information 12/18/2012 Unsigned 0 0 0 Trojan.Win32.Ceeinject.b (v)
7 Status 0xd1320ba74a3866c2859b0518080cf84c More File Information No Data Unsigned 0 0 0 Trojan.Win32.Malware.a
8 Status 0x8fad97dc8b067d413da486397f8faeef More File Information No Data Unsigned 0 0 0 Not Applicable
9 Status 0xece26bda50e17cf474bf19192045bf32 More File Information No Data Unsigned 0 0 0 TrojanDownloader.Win32.Tracur.a (v)
10 Status 0x3978f3540329e16c0ac3bcf677e5669f More File Information No Data Unsigned 0 0 0 Not Applicable
11 Status 0x03978f3540329e16c0ac3bcf677e5669 More File Information No Data Unsigned 0 0 0 Not Applicable
12 Status 0xf42309c4191c506b71db5d1126d26318 More File Information No Data Unsigned 0 0 0 Not Applicable
13 Status 0xf998be3ffd79de70b758391166bc059e More File Information No Data Unsigned 0 0 0 Not Applicable
14 Status 0x48cf679d654f0d12c98efdb10833f055 More File Information No Data Unsigned 0 0 0 Trojan.Win32.Generic!BT
15 Status 0x5c47d8c72ff9b24a91cadb20071cc321 More File Information No Data Unsigned 0 0 0 Not Applicable
16 Status 0xaa858a8023905d9e590ade943cf9fa27 More File Information No Data Unsigned 0 0 0 Not Applicable
17 Status 0xc5ad5392829a943bb3b301aa2d6be8a7 More File Information No Data Unsigned 0 0 0 Not Applicable
MD5 Hashes Expand md5 List Collapse md5 List
# Status MD5 Last Seen File Date Revision Common Name Size
1 Status 0x7abc23f3d86880ad62acedc7479608f8 1/31/2013 3:22:00 AM Unknown Unknown Local Security Authority 22 KB
2 Status 0xebfaeb786c46b407930811f94f08877d 12/22/2012 6:43:00 PM Unknown Unknown Local Security Authority 9 KB
3 Status 0x747ed861374e5589ee56d28e01bdcfe1 12/1/2012 11:07:00 PM Unknown Unknown Local Security Authority 23 KB
4 Status 0x0118d8c2b0b04f6b6fe620eadda53449 10/28/2012 12:51:00 PM Unknown Unknown Local Security Authority 22 KB
5 Status 0x7346b1ae6101d574e58154b2351ae82b 9/26/2012 3:45:00 AM Unknown Unknown Local Security Authority 23 KB
6 Status 0x05f38cb7cab3ce8e9a1812d517da93ef 6/11/2012 2:21:00 AM Unknown Unknown Local Security Authority 22 KB
7 Status 0xa3a391d01e32864cb8535f237a8a5a6d 4/2/2012 2:32:00 PM Unknown Unknown Local Security Authority 22 KB
8 Status 0x2dcf4bb4c526e09ad31fb109fc64fbf9 3/23/2012 3:45:00 PM Unknown Unknown Local Security Authority 186 KB
9 Status 0xfbcb2dfa40862daa7b1534c9538208a5 3/22/2012 1:51:00 PM Unknown Unknown Local Security Authority 22 KB
10 Status 0xbf2466b3e18e970d8a976fb95fc1ca85 2/8/2012 4:56:00 AM Unknown Unknown Local Security Authority 13 KB
11 Status 0xd4b61a935670c57a0dea81b4f4a12169 2/8/2012 4:25:00 AM Unknown 5.2.3790.0 (srv03_rtm.030324-2048) Local Security Authority 13 KB
12 Status 0x84885f9b82f4d55c6146ebf6065d75d2 2/8/2012 3:38:00 AM Unknown 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) Local Security Authority 13 KB
13 Status 0x70885577298b92939f3b7af54d5f8943 2/8/2012 2:58:00 AM Unknown 5.1.2600.3311 (xpsp.080212-0010) Local Security Authority 13 KB
14 Status 0x91e6024d6d4dcdecdb36c43ecf9bbecb 2/8/2012 12:14:00 AM Unknown Unknown Local Security Authority 13 KB
15 Status 0x3c9f668112aae22401bc4aff90bd6782 2/7/2012 8:12:00 PM Unknown Unknown Local Security Authority 13 KB
16 Status 0x81951f51e318aecc2d68559e47485cc4 2/7/2012 7:29:00 PM Unknown Unknown Local Security Authority 22 KB
17 Status 0xb2b6ba905d0e3f8a32a0eb3b4051807b 2/7/2012 6:42:00 PM Unknown 5.1.2600.1106 (xpsp1.020828-1920) Local Security Authority 11 KB
18 Status 0x8754210a3399d19610ce2d71e0c3e5d9 2/7/2012 4:12:00 PM Unknown Unknown Local Security Authority 13 KB
19 Status 0x9f3744a5c6f49291a7a685040a013399 2/7/2012 3:21:00 PM Unknown 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) Local Security Authority 13 KB
20 Status 0x0fba335727905de8e4cb5a2cf438abf5 2/7/2012 2:26:00 PM Unknown Unknown Local Security Authority 13 KB
21 Status 0x9607142710d3b64ab7fcce4be4e30d37 2/7/2012 2:17:00 PM Unknown Unknown Local Security Authority 13 KB
22 Status 0xf19d0a319ab4bf5496f08807cb9b8651 2/7/2012 6:05:00 AM Unknown 5.00.2195.7011 Local Security Authority 32 KB
23 Status 0x8a590ea109b5e0c7629e022f8a6b17c5 2/7/2012 4:06:00 AM Unknown 5.1.2600.0 (xpclient.010817-1148) Local Security Authority 11 KB
24 Status 0x99592b6ce7fc25a4f69692f7092ee455 2/7/2012 3:24:00 AM Unknown 5.1.2600.3244 (xpsp.071030-1542) Local Security Authority 13 KB
25 Status 0xac9fca8bcd685abdb9928b1964b731a2 2/6/2012 9:26:00 PM Unknown Unknown Local Security Authority 13 KB
MD5 Hashes Expand md5 List Collapse md5 List
# Status MD5 Last Seen File Date Revision Common Name Size
1 Status 0x7cbd8d3b6fa35179bb2f42643526d9ab 12/7/2012 1:10:00 AM Unknown Unknown Possible Virus ** Read ** 368 KB
2 Status 0x9df3dd6f068eec01a2ab829100e60c8f 11/8/2012 1:50:00 PM Unknown Unknown Possible Virus ** Read ** 256 KB
3 Status 0xf536047a1fb17b7a962f0ae91cb8f838 6/11/2012 12:42:00 AM Unknown Unknown Possible Virus ** Read ** 208 KB
4 Status 0x8d4dca33b50b4f4d5b3527e02df75d3c 5/17/2012 11:32:00 AM Unknown Unknown Possible Virus ** Read ** 252 KB
5 Status 0x0f6a0b74b7c3d1d5d5d8efa063e181c8 2/4/2012 9:36:00 PM Unknown Unknown Possible Virus ** Read ** 51 KB
6 Status 0x2f7cef1a0953f9624ddff13c1425ac37 4/14/2011 1:09:00 PM Unknown Unknown Possible Virus ** Read ** 223 KB
7 Status 0x9f7519c486c3b1721d9d209645bb708f 2/23/2011 4:37:00 AM Unknown Unknown Possible Virus ** Read ** 94 KB
8 Status 0xaf89481fd6ded35fa15535bb27ba9582 12/8/2010 1:41:00 PM Unknown Unknown Possible Virus ** Read ** 256 KB
9 Status 0xa0c8b3c28f751cc4335f11e0598276de 11/30/2010 12:53:00 PM Unknown Unknown Possible Virus ** Read ** 29 KB
10 Status 0x5ab72d1524268c8a5cd5068da7097772 10/3/2010 12:47:00 AM Unknown Unknown Possible Virus ** Read ** 256 KB
11 Status 0x7423f209d265a87aa6b307440b7c26c7 9/20/2010 6:38:00 AM Unknown Unknown Possible Virus ** Read ** 228 KB
12 Status 0x335cef0a1f9fc2d50f58e2485ece8374 6/5/2010 1:17:00 AM Unknown Unknown Possible Virus ** Read ** 236 KB
13 Status 0x4eac761a3995e8a1e0668fcbc75217df 5/25/2010 3:28:00 PM Unknown Unknown Possible Virus ** Read ** 256 KB
14 Status 0xc87f83bcea15c119fecab5e06ace621f 5/20/2010 10:23:00 AM Unknown Unknown Possible Virus ** Read ** 256 KB
15 Status 0xbbecec47060caca894ef9158ba7d4c1d 5/8/2010 3:57:00 PM Unknown Unknown Possible Virus ** Read ** 256 KB
16 Status 0x861d8a8cf7a46171303932eabbc77bfb 5/1/2010 7:43:00 AM Unknown Unknown Possible Virus ** Read ** 228 KB
17 Status 0x43917a937c6a8ddb9cb2833d53c2be20 4/26/2010 7:47:00 AM Unknown Unknown Possible Virus ** Read ** 284 KB
18 Status 0x606d40f4cf2906e6d9d558119199c27c 4/26/2010 4:17:00 AM Unknown Unknown Possible Virus ** Read ** 256 KB
19 Status 0xcbee96d69df1f8760db014abfc3ae23a 4/10/2010 6:35:00 AM Unknown Unknown Possible Virus ** Read ** 108 KB
20 Status 0x69b7856f4e9959fd28cd7ee5623bf484 3/30/2010 5:14:00 PM Unknown Unknown Possible Virus ** Read ** 105 KB
21 Status 0xbc2dc6b7be79bad747b0de3f51d4e677 3/30/2010 3:13:00 PM Unknown Unknown Possible Virus ** Read ** 256 KB
22 Status 0xc3cc4323e32594f868d5573b5bc74c10 3/19/2010 11:51:00 PM Unknown Unknown Possible Virus ** Read ** 228 KB
23 Status 0x8eab45cc68be3629d05b91ed0b1543bd 3/13/2010 3:53:00 PM Unknown Unknown Possible Virus ** Read ** 228 KB
24 Status 0xf28ff32f4cb00f941644a1e0fd8c751f 3/12/2010 9:36:00 PM Unknown Unknown Possible Virus ** Read ** 704 KB
25 Status 0x28f50b89d95a77311800000f1988a6de 3/4/2010 3:13:00 PM Unknown Unknown Possible Virus ** Read ** 816 KB



Try a free diagnostic now

PC Pitstop is the undisputed leader in PC diagnostics. Our running process library is culled from our database of over 100 million PC diagnostics and scans.

› Driver Scan
› Total PC Care
› Privacy Scan
› Disk Scan
› Internet Speed Tests
› Get More Tips

Sign up for our FREE Newsletter


Tips from the Pit Crew › Subscribe to TechTalk
› Visit Our Forums

Important Note

A file name alone may not be enough for positive identification. PC Pitstop's Overdrive tests and spyware scan use information such as the company name, product name, or install directory.

If you are unable to identify a file, ask about it in our forums after running our full tests.