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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.

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.

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

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 0x9a9ead450c94f8485685dbee5de4d4da More File Information 8/29/2015 Unsigned 3 3 9 Not Applicable
2 Status 0xf33bfcbbbaace7208db433b6cca98930 More File Information 8/29/2015 Signed 1 1 1 Not Applicable
3 Status 0xa7d58776c4d1f7d98f93c2dca4fdd0e8 More File Information 8/29/2015 Unsigned 1 11 11 Not Applicable
4 Status 0xfccd46f56dd641ed856fc0e65757b4fd More File Information 8/28/2015 Unsigned 0 67 534 Not Applicable
5 Status 0x4c3fac816925f73a34ad52f1f7c0a7ea More File Information 8/27/2015 Unsigned 0 47 596 Not Applicable
6 Status 0xd52c700254e7fbd9bf6d817ba7ba5309 More File Information 8/27/2015 Unsigned 0 6 135 Not Applicable
7 Status 0xbb9c1b746086558899935e3333cd4580 More File Information 8/27/2015 Unsigned 0 51 610 Not Applicable
8 Status 0x17a6a9aad04ccc6ee53290585bfc43af More File Information 8/27/2015 Unsigned 0 10 156 Not Applicable
9 Status 0x2ccfa4793b9696f26214634300fe8b37 More File Information 8/27/2015 Unsigned 0 5 36 Not Applicable
10 Status 0x9262d6e2c239edd6d87b080f2bccec9f More File Information 8/27/2015 Unsigned 0 6 126 Not Applicable
11 Status 0x5f8423e7fda0eb902c6d156f6121e094 More File Information 8/27/2015 Unsigned 0 50 506 Not Applicable
12 Status 0x97d879a884e7cdfed51ad63348a35254 More File Information 8/27/2015 Unsigned 0 51 543 Not Applicable
13 Status 0x2a953a1104439ba166fd63a5806a16df More File Information 8/27/2015 Unsigned 0 10 165 Not Applicable
14 Status 0xa7c232f194de012b41b5ee0c5021cfdb More File Information 8/27/2015 Unsigned 0 5 40 Not Applicable
15 Status 0x0d48e93c6be3143c0198cb252b992d16 More File Information 8/27/2015 Unsigned 0 15 64 Not Applicable
16 Status 0x31359eda482f9a4c5db36741596550ac More File Information 8/27/2015 Unsigned 0 5 42 Not Applicable
17 Status 0x3ad57b7a84035a05079226d1de47e771 More File Information 8/26/2015 Unsigned 0 3 11 Not Applicable
18 Status 0xa1fedb23c022280b2649b553d8113f18 More File Information 8/24/2015 Unsigned 0 1 1 Not Applicable
19 Status 0x27945cf21e17afbff1e31993aaee4551 More File Information 8/24/2015 Unsigned 0 1 1 Not Applicable
20 Status 0x981ce3e3a653511799f4a862494b66a8 More File Information 8/24/2015 Unsigned 0 1 2 Not Applicable
21 Status 0xd2967f6d4205a227aaa7d094c12f7141 More File Information 8/24/2015 Unsigned 0 1 2 Not Applicable
22 Status 0x1bfcf24227b53f35ba534bf94f0db95c More File Information 8/24/2015 Unsigned 0 1 1 Not Applicable
23 Status 0x618ba9298726844da4e9e53c7c8d4015 More File Information 8/24/2015 Unsigned 0 1 11 Not Applicable
24 Status 0x35f0817c803dfc520cbf7031b72b6a17 More File Information 8/24/2015 Unsigned 0 1 1 Not Applicable
25 Status 0x627b40eb2595d8fcf1960f33389eb7d3 More File Information 8/24/2015 Unsigned 0 7 7 Not Applicable
26 Status 0xac0d7a5778d5a8c17ecfeecb302b4fa4 More File Information 8/24/2015 Unsigned 0 1 1 Not Applicable
27 Status 0x266a126d1464409df8fa826c48166b0e More File Information 8/24/2015 Unsigned 0 1 1 Not Applicable
28 Status 0x43972ed806646274c05e6ba2c1585b99 More File Information 8/24/2015 Unsigned 0 1 12 Not Applicable
29 Status 0xdc0b4400073a404b53f571126b58f480 More File Information 8/24/2015 Unsigned 0 1 12 Not Applicable
30 Status 0xdd17e1573651293d4ed31053795b3471 More File Information 8/24/2015 Unsigned 0 5 5 Not Applicable
31 Status 0x1667d76fbf42b24b9de3e8b0a7cf06be More File Information 8/24/2015 Unsigned 0 1 1 Not Applicable
32 Status 0x382100e75b6f4668aeaef228c6ceffad More File Information 8/23/2015 Signed 0 1 8 Not Applicable
33 Status 0x6a086c7a2804128a337e3431733cc985 More File Information 8/23/2015 Unsigned 0 1 5 Trojan.Win32.Generic!BT
34 Status 0xa3e186b4b935905b829219502557314e More File Information 8/17/2015 Unsigned 0 0 4 Not Applicable
35 Status 0xa911ecac81f94adeafbe8e3f7873edb0 More File Information 8/15/2015 Unsigned 0 0 2 Not Applicable
36 Status 0x4d71227301dd8d09097b9e4cc6527e5a More File Information 8/14/2015 Unsigned 0 0 1 Not Applicable
37 Status 0x5466b90225ac0990df2bc96c90886e36 More File Information 8/13/2015 Signed 0 0 1 Not Applicable
38 Status 0x0793f40b9b8a1bdd266296409dbd91ea More File Information 8/6/2015 Unsigned 0 0 1 Not Applicable
39 Status 0x52b6b1df3e9638fa7089a7e9bce98757 More File Information 7/22/2015 Unsigned 0 0 0 Not Applicable
40 Status 0xbf08de8e4fa1f143d41b3241f7fce5f6 More File Information 7/20/2015 Unsigned 0 0 0 Not Applicable
41 Status 0xf6f209ddb94959ba104fc8fc87c53759 More File Information 7/15/2015 Signed 0 0 0 Not Applicable
42 Status 0xf65f365ac0d1657917efdb52445c848b More File Information 7/9/2015 Unsigned 0 0 0 Not Applicable
43 Status 0x803b370865d907ea21dc0c2b6a8936b5 More File Information 7/9/2015 Unsigned 0 0 0 Not Applicable
44 Status 0x9d8f08c4f8401a6a7651065068b2d9e3 More File Information 7/7/2015 Unsigned 0 0 0 Trojan.Win32.Generic!BT
45 Status 0x3978f3540329e16c0ac3bcf677e5669f More File Information 7/4/2015 Unsigned 0 0 0 Not Applicable
46 Status 0x204f3f58212b3e422c90bd9691a2df28 More File Information 7/2/2015 Unsigned 0 0 0 Not Applicable
47 Status 0xe0105f3b5b1c4b0f5b3d788a13504ec6 More File Information 7/1/2015 Unsigned 0 0 0 Not Applicable
48 Status 0xf1da34d64f2ba200d28a7451804e2fee More File Information 5/31/2015 Unsigned 0 0 0 Not Applicable
49 Status 0xbf2466b3e18e970d8a976fb95fc1ca85 More File Information 5/5/2015 Unsigned 0 0 0 Not Applicable
50 Status 0xb6c7729936aaf8e0697f0a7dca82ced8 More File Information 5/3/2015 Unsigned 0 0 0 Not Applicable
51 Status 0xca4fc33fb22d92368a0b221092b46374 More File Information 5/2/2015 Unsigned 0 0 0 Not Applicable
52 Status 0xf702ab6181513303ab0fc8d59e52708b More File Information 2/24/2015 Unsigned 0 0 0 Not Applicable
53 Status 0x04265c1a73baf053c70b8e87f9ee6abc More File Information 1/24/2015 Unsigned 0 0 0 Not Applicable
54 Status 0x156f6159457d0aa7e59b62681b56eb90 More File Information 1/22/2015 Unsigned 0 0 0 Not Applicable
55 Status 0x260bf9c43ee12c6898a9f5aab0fb0e5d More File Information 10/5/2014 Unsigned 0 0 0 Not Applicable
56 Status 0x81951f51e318aecc2d68559e47485cc4 More File Information 8/31/2014 Unsigned 0 0 0 Not Applicable
57 Status 0x36827b2dfb410e9bf102cccf489ceba6 More File Information 5/23/2014 Unsigned 0 0 0 Not Applicable
58 Status 0x3c9f668112aae22401bc4aff90bd6782 More File Information 5/12/2014 Unsigned 0 0 0 Not Applicable
59 Status 0x701276540bc1245d55273c9ebb4c7b20 More File Information 12/6/2013 Unsigned 0 0 0 Not Applicable
60 Status 0xc731b1fe449d4e9cea358c9d55b69be9 More File Information 12/1/2013 Unsigned 0 0 0 Not Applicable
61 Status 0x399efabada0ef92b47400e94763729b2 More File Information 11/28/2013 Unsigned 0 0 0 Trojan.Win32.Generic!BT
62 Status 0x0118d8c2b0b04f6b6fe620eadda53449 More File Information 10/2/2013 Unsigned 0 0 0 Not Applicable
63 Status 0xd1320ba74a3866c2859b0518080cf84c More File Information No Data Unsigned 0 0 0 Trojan.Win32.Malware.a
64 Status 0x5c47d8c72ff9b24a91cadb20071cc321 More File Information No Data Unsigned 0 0 0 Not Applicable
65 Status 0xf42309c4191c506b71db5d1126d26318 More File Information No Data Unsigned 0 0 0 Not Applicable
66 Status 0x03978f3540329e16c0ac3bcf677e5669 More File Information No Data Unsigned 0 0 0 Not Applicable
67 Status 0x76f78b9f5bbebb344bae01e23aeb220a More File Information No Data Signed 0 0 0 Not Applicable
68 Status 0x671aca589da3733fac878a751c5bf0ed More File Information No Data Unsigned 0 0 0 Not Applicable
69 Status 0xfe1b29afab96f9925c257b0d3eeac4fd More File Information No Data Unsigned 0 0 0 PurityScan
70 Status 0x36e955cc2e54c67b66f5c756eda69b22 More File Information No Data Signed 0 0 0 Not Applicable
71 Status 0x0fba335727905de8e4cb5a2cf438abf5 More File Information No Data Unsigned 0 0 0 Not Applicable
72 Status 0xef46e8b518dba96c61dd801e0999c5de More File Information No Data Signed 0 0 0 Not Applicable
73 Status 0x6e0e63801fbef27995107b8269bcfaad More File Information No Data Unsigned 0 0 0 Not Applicable
74 Status 0x27fc5ee636ecdd95fbb18e059df55258 More File Information No Data Signed 0 0 0 Not Applicable
75 Status 0x93b54880b141e5550c383392a4c047ef More File Information No Data Signed 0 0 0 Not Applicable
76 Status 0x35cdab1fec6173a13d9a204dcb28557a More File Information No Data Signed 0 0 0 Not Applicable
77 Status 0xfdd980360c9d72da77f4c59376ae95c9 More File Information No Data Unsigned 0 0 0 Not Applicable
78 Status 0xd281b12623cb3df5eae99f54c2ec882c More File Information No Data Signed 0 0 0 Not Applicable
79 Status 0x88142648ed929e6d2178cc3b8c13c00f More File Information No Data Unsigned 0 0 0 Not Applicable
80 Status 0x7554a1b82b4a222fd4cc292abd38a558 More File Information No Data Unsigned 0 0 0 Not Applicable
81 Status 0xac9fca8bcd685abdb9928b1964b731a2 More File Information No Data Unsigned 0 0 0 Not Applicable
82 Status 0x40348dcec0712ed42231c5f90a69a690 More File Information No Data Unsigned 0 0 0 Not Applicable
83 Status 0x43fe6f74d2d43443cf2279613fa0a516 More File Information No Data Unsigned 0 0 0 Not Applicable
84 Status 0x550bb17c82a673a68a190da576e7745c More File Information No Data Signed 0 0 0 Not Applicable
85 Status 0x208b209fcc6645777727276a2b5336cb More File Information No Data Signed 0 0 0 Not Applicable
86 Status 0x669ffd1dd6fb7a0e4ddbc3ad3b76507b More File Information No Data Unsigned 0 0 0 Virus.Win32.Xorer.ef (v)
87 Status 0xc205afb61de75cb20ef15489a8c388ef More File Information No Data Unsigned 0 0 0 Trojan.Win32.Generic!BT
88 Status 0x306e4503e083a498ae797ff59fa72839 More File Information No Data Unsigned 0 0 0 Not Applicable
89 Status 0x341655b216721d89cade9dea2f33872f More File Information No Data Unsigned 0 0 0 Not Applicable
90 Status 0x1d073cef37c85cce3e56caeb9f384c1a More File Information No Data Signed 0 0 0 Not Applicable
91 Status 0x91e6024d6d4dcdecdb36c43ecf9bbecb More File Information No Data Unsigned 0 0 0 Not Applicable
92 Status 0xc8152b86c0f12e61b0ad5c95751547d3 More File Information No Data Unsigned 0 0 0 Not Applicable
93 Status 0x80146c93ae04c6b250da21ea07c3ca9c More File Information No Data Signed 0 0 0 Not Applicable
94 Status 0x355e261b1b3b74818e81db84d66f623e More File Information No Data Signed 0 0 0 Not Applicable
95 Status 0x675c96dfe1f81513d9868faaea8091ca More File Information No Data Signed 0 0 0 Not Applicable
96 Status 0x7b29226c05080f906721f3d134ad50f9 More File Information No Data Signed 0 0 0 Not Applicable
97 Status 0x673640e09dd7b7125ed82210b7dc311a More File Information No Data Unsigned 0 0 0 Not Applicable
98 Status 0x1e31700d9c9e0fb79999d02a8437482c More File Information No Data Unsigned 0 0 0 Not Applicable
99 Status 0xe4b556449b263674e741bd10108498c8 More File Information No Data Unsigned 0 0 0 Not Applicable
100 Status 0x2ac635573afa0c35d4aeee43cdaf4741 More File Information No Data Signed 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 0xbf2466b3e18e970d8a976fb95fc1ca85 8/30/2015 8:15:00 AM Unknown Unknown Local Security Authority 13 KB
2 Status 0xa911ecac81f94adeafbe8e3f7873edb0 8/29/2015 6:03:00 PM Unknown Unknown Local Security Authority 9 KB
3 Status 0x4dd0637ae896eb8e00df331d1cccfc5c 8/29/2015 4:58:00 PM Unknown 5.1.2600.3264 (xpsp.071130-1433) Local Security Authority 13 KB
4 Status 0x84885f9b82f4d55c6146ebf6065d75d2 8/25/2015 2:38:00 AM Unknown 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) Local Security Authority 13 KB
5 Status 0x8754210a3399d19610ce2d71e0c3e5d9 8/15/2015 3:13:00 PM Unknown Unknown Local Security Authority 13 KB
6 Status 0x9607142710d3b64ab7fcce4be4e30d37 8/14/2015 12:31:00 PM Unknown Unknown Local Security Authority 13 KB
7 Status 0x803b370865d907ea21dc0c2b6a8936b5 8/13/2015 10:43:00 PM Unknown Unknown Local Security Authority 21 KB
8 Status 0xa3e186b4b935905b829219502557314e 8/9/2015 5:22:00 PM Unknown Unknown Local Security Authority 9 KB
9 Status 0xf19d0a319ab4bf5496f08807cb9b8651 8/2/2015 7:56:00 AM Unknown 5.00.2195.7011 Local Security Authority 32 KB
10 Status 0xac9fca8bcd685abdb9928b1964b731a2 7/31/2015 11:11:00 PM Unknown Unknown Local Security Authority 13 KB
11 Status 0xf42309c4191c506b71db5d1126d26318 7/31/2015 3:32:00 PM Unknown Unknown Local Security Authority 22 KB
12 Status 0x91e6024d6d4dcdecdb36c43ecf9bbecb 7/30/2015 3:58:00 PM Unknown Unknown Local Security Authority 13 KB
13 Status 0xff1805d5daf41625af5282750d4a3700 7/27/2015 10:32:00 PM Unknown Unknown Local Security Authority 13 KB
14 Status 0x671aca589da3733fac878a751c5bf0ed 7/23/2015 7:07:00 PM Unknown Unknown Local Security Authority 13 KB
15 Status 0xafb8261b56cba0d86aeb6df682af9785 7/21/2015 11:30:00 AM Unknown Unknown Local Security Authority 13 KB
16 Status 0x2b0b88652c9f6714fd4886839b3b0442 7/9/2015 3:07:00 PM Unknown 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) Local Security Authority 13 KB
17 Status 0x673640e09dd7b7125ed82210b7dc311a 6/28/2015 2:04:00 PM Unknown Unknown Local Security Authority 13 KB
18 Status 0xb2b6ba905d0e3f8a32a0eb3b4051807b 5/28/2015 11:16:00 PM Unknown 5.1.2600.1106 (xpsp1.020828-1920) Local Security Authority 11 KB
19 Status 0x17c1ac326238efadf17a0612afd822ad 5/10/2015 6:48:00 AM Unknown Unknown Local Security Authority 13 KB
20 Status 0x35cdab1fec6173a13d9a204dcb28557a 5/5/2015 4:55:00 PM Unknown Unknown Local Security Authority 40 KB
21 Status 0x3228be5229f9eefb18654a56b016f642 4/30/2015 12:30:00 PM Unknown Unknown Local Security Authority 22 KB
22 Status 0x21844f6da13ece4737d0b7524edeb6ec 4/15/2015 12:47:00 PM Unknown Unknown Local Security Authority 13 KB
23 Status 0xf65f365ac0d1657917efdb52445c848b 4/14/2015 2:55:00 AM Unknown Unknown Local Security Authority 22 KB
24 Status 0xe4b556449b263674e741bd10108498c8 4/4/2015 5:32:00 AM Unknown 5.1.2600.3300 (xpsp.080125-2034) Local Security Authority 13 KB
25 Status 0x3c9f668112aae22401bc4aff90bd6782 3/30/2015 10:20:00 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 0x7423f209d265a87aa6b307440b7c26c7 12/28/2014 3:25:00 AM Unknown Unknown Possible Virus ** Read ** 228 KB
2 Status 0x7cbd8d3b6fa35179bb2f42643526d9ab 12/7/2012 1:10:00 AM Unknown Unknown Possible Virus ** Read ** 368 KB
3 Status 0x9df3dd6f068eec01a2ab829100e60c8f 11/8/2012 1:50:00 PM Unknown Unknown Possible Virus ** Read ** 256 KB
4 Status 0xf536047a1fb17b7a962f0ae91cb8f838 6/11/2012 12:42:00 AM Unknown Unknown Possible Virus ** Read ** 208 KB
5 Status 0x8d4dca33b50b4f4d5b3527e02df75d3c 5/17/2012 11:32:00 AM Unknown Unknown Possible Virus ** Read ** 252 KB
6 Status 0x0f6a0b74b7c3d1d5d5d8efa063e181c8 2/4/2012 9:36:00 PM Unknown Unknown Possible Virus ** Read ** 51 KB
7 Status 0x2f7cef1a0953f9624ddff13c1425ac37 4/14/2011 1:09:00 PM Unknown Unknown Possible Virus ** Read ** 223 KB
8 Status 0x9f7519c486c3b1721d9d209645bb708f 2/23/2011 4:37:00 AM Unknown Unknown Possible Virus ** Read ** 94 KB
9 Status 0xaf89481fd6ded35fa15535bb27ba9582 12/8/2010 1:41:00 PM Unknown Unknown Possible Virus ** Read ** 256 KB
10 Status 0xa0c8b3c28f751cc4335f11e0598276de 11/30/2010 12:53:00 PM Unknown Unknown Possible Virus ** Read ** 29 KB
11 Status 0x5ab72d1524268c8a5cd5068da7097772 10/3/2010 12:47:00 AM Unknown Unknown Possible Virus ** Read ** 256 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



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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.