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Process Library Detail

What is winlogon.exe? Legitimate WinLogon?

Vendor:      Microsoft
Product:     Windows
Vendor Website:     
Last Seen by PC Matic:      No Data
Process is Bad PC Matic has analyzed this process and determined that there is a high likelihood that it is bad.
Process is questionablePC Matic has analyzed this process and determined that the safety of this process is questionable.
Process is goodPC Matic 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 Matic Analysis

Purpose: winlogon.exe - This program initializes some functions of Windows each time a user logs in. Usually it should not appear in running programs because it completes its work in less than a minute. If it is still running then there may be some type of configuration problem with your system. See the detailed description for troubleshooting information.

winlogon.exe is a user invoked program and a normal part of PC operations. No action required.


winlogon.exe is known to be a bad process. Learn more about protecting your PC from these bad processes with PC Matic.
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winlogon.exe could be a harmful process. Learn more about protecging your PC from these potential harmful processes with PC Matic.
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This information brought to you by PC Matic. PC Matic's real-time protection, Super Shield, blocks ALL bad and unknown threats to keep your PC secure.
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winlogon.exe is a Microsoft or Windows process but some versions of this exe carry viruses.
Learn more about protecting yourself from bad versions of this file with PC Matic.
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winlogon.exe Technical Information

Percentage of recently scanned PC's with this process running: 22.87%
Average CPU use for this program: 0%
Average RAM for this program: 3 MB

MD5 Hash Analysis

Program Name MD5 Count
winlogon.exe

MD5 Hashes

# Status MD5 Revision Name Size
1 Status 0xed0ef0a136dec83df69f04118870003e 1/4/2023 10:29:00 PM Unknown Unknown Legitimate WinLogon 496 KB
2 Status 0x4a83111aa75d8a26ab0eabc03cfc95e0 12/12/2021 8:17:00 AM Unknown Unknown Legitimate WinLogon 497 KB
3 Status 0x01c3346c241652f43aed8e2149881bfe 11/27/2020 5:04:00 PM Unknown Unknown Legitimate WinLogon 490 KB
4 Status 0x53a8857723277b1d6d5ee60a9f85b117 11/13/2020 6:03:00 AM Unknown Unknown Legitimate WinLogon 497 KB
5 Status 0x9259170d29b5a256735fcb8b80280857 1/1/2019 5:38:00 PM Unknown Unknown Legitimate WinLogon 498 KB
6 Status 0xdd73d6b9f6b4cb630cf35b438b540174 6/17/2018 3:23:00 PM Unknown Unknown Legitimate WinLogon 500 KB
7 Status 0x52449fd429d6053b78ae564def303870 6/5/2018 4:39:00 AM Unknown Unknown Legitimate WinLogon 0 KB
8 Status 0x213c80d912880bbf04453d09ffccb28c 5/15/2018 3:20:00 PM Unknown Unknown Legitimate WinLogon 499 KB
9 Status 0x51fd2e13d723857b9ca239ae77150f48 4/28/2018 3:45:00 PM Unknown Unknown Legitimate WinLogon 498 KB
10 Status 0x679a7259741f6a09994f02ce261b5f2e 11/27/2017 6:30:00 PM Unknown Unknown Legitimate WinLogon 496 KB
11 Status 0x71d440f79b711627b12b567fb2eadb42 11/15/2017 12:53:00 PM Unknown Unknown Legitimate WinLogon 498 KB
12 Status 0x1247d4d5444e28519bbe31be8ab4c029 9/1/2017 7:59:00 PM Unknown Unknown Legitimate WinLogon 498 KB
13 Status 0xd05f6e0b42142d5c77a087441992302d 6/26/2017 2:55:00 AM Unknown Unknown Legitimate WinLogon 0 KB
14 Status 0xf09a527b422e25c478e38caa0e44417a 6/19/2017 5:43:00 AM Unknown Unknown Legitimate WinLogon 501 KB
15 Status 0x6a5fe820683147636f66d2a731b7169b 2/18/2017 10:02:00 AM Unknown Unknown Legitimate WinLogon 482 KB
16 Status 0x4afe7414ed249e5ab52f604ad366e93c 12/30/2016 1:58:00 AM Unknown Unknown Legitimate WinLogon 486 KB
17 Status 0x5dfcba4e70da51cf67022f7c207feaa8 12/18/2016 3:22:00 AM Unknown Unknown Legitimate WinLogon 497 KB
18 Status 0x4f51eed832531fceab1f19b220eccc56 11/25/2016 9:09:00 AM Unknown Unknown Legitimate WinLogon 496 KB
19 Status 0x57021a062c8e266c0a2a636450364b43 11/20/2016 9:42:00 AM Unknown Unknown Legitimate WinLogon 496 KB
20 Status 0xcddb1f8e1aea356f3ad106f2cf9b7fea 11/7/2016 2:49:00 PM Unknown Unknown Legitimate WinLogon 496 KB
21 Status 0x6d13e1406f50c66e2a95d97f22c47560 10/27/2016 3:23:00 PM Unknown Unknown Legitimate WinLogon 0 KB
22 Status 0xd1bac55bc35a0ca735aea19f609f2b22 10/19/2016 9:57:00 PM Unknown Unknown Legitimate WinLogon 496 KB
23 Status 0x8ec6a4ab12b8f3759e21f8e3a388f2cf 10/17/2016 12:08:00 AM Unknown Unknown Legitimate WinLogon 279 KB
24 Status 0xc64e97cc32e4662f2972fe7e8fa9b6ce 8/28/2016 7:15:00 PM Unknown Unknown Legitimate WinLogon 544 KB
25 Status 0xc2610b6bdbefc053bbdab4f1b965cb24 8/24/2016 7:33:00 PM Unknown 6.0.6001.18000 (longhorn_rtm.080118-1840) Legitimate WinLogon 307 KB

MD5 Hashes

# Status MD5 Revision Name Size
1 Status 0x257462f392d359ec14d2e5bd40685247 2/3/2014 12:08:00 PM Unknown Unknown WinLogon trojan 35 KB
2 Status 0xa1bddaca1c4ca92fd34710fd88337fc4 8/27/2013 5:58:00 AM Unknown Unknown WinLogon trojan 23 KB
3 Status 0x9ee60f627770428367028e7cf5367f6d 4/3/2013 3:34:00 PM Unknown Unknown WinLogon trojan 79 KB
4 Status 0x54cb01b41fe219d365d70a813f8611a5 8/1/2012 1:54:00 PM Unknown Unknown WinLogon trojan 50 KB
5 Status 0xef44b817dceb4c3bfd21fd3d08b5d28d 2/8/2012 4:20:00 AM Unknown Unknown WinLogon trojan 41 KB
6 Status 0x9622d732b1b8c643f8ca8e20bbfc7129 10/27/2011 10:02:00 AM Unknown Unknown WinLogon trojan 298 KB
7 Status 0xa4895d25e316051a20ce3e27bb5faa93 9/9/2011 4:57:00 AM Unknown Unknown WinLogon trojan 97 KB
8 Status 0xf2cb18f01d5a9ca313dbf3e5fd286c8d 9/9/2011 4:57:00 AM Unknown Unknown WinLogon trojan 46 KB
9 Status 0x2152217bd031166b0c969a8cd23ed41f 8/31/2011 1:46:00 PM Unknown Unknown WinLogon trojan 44 KB
10 Status 0x97a82153c30bb73ee26c4e2cbcd977f5 8/23/2011 11:52:00 PM Unknown Unknown WinLogon trojan 105 KB
11 Status 0xab2c1a97c4a949bd9ffe6f87114865e2 8/21/2011 11:38:00 PM Unknown Unknown WinLogon trojan 39 KB
12 Status 0x19a433c37ae624147d30b9014c4b4ba7 8/3/2011 Unknown Unknown WinLogon trojan 680 KB
13 Status 0x84d38450b159b7d78291804acf3e2c1f 6/23/2011 10:38:00 PM Unknown Unknown WinLogon trojan 3055 KB
14 Status 0x0bea50a919cc7676c80a4c88e5e82b45 4/3/2011 3:16:00 PM Unknown Unknown WinLogon trojan 108 KB
15 Status 0xc51a426d90af0cdcb97c10bb4ea12696 3/19/2011 11:20:00 PM Unknown WinLogon trojan 41 KB
16 Status 0x8cab7b161d8472b753f0872672bbf30e 3/3/2011 2:13:00 PM Unknown Unknown WinLogon trojan 532 KB
17 Status 0xbdfc1f8d2b43a9e5cc1130b8188a3ab4 1/22/2011 2:36:00 AM Unknown Unknown WinLogon trojan 109 KB
18 Status 0x83720b921ee79a6397caf8c548ff7c59 12/31/2010 5:26:00 PM Unknown Unknown WinLogon trojan 124 KB
19 Status 0xb6d86545f6d07c059edfcfbf6e7e2bb1 11/9/2010 11:43:00 PM Unknown Unknown WinLogon trojan 156 KB
20 Status 0x52953ecb71ee81b90aaee2936d4caa6b 11/8/2010 7:15:00 PM Unknown Unknown WinLogon trojan 406 KB
21 Status 0x9235cc9dc7452927f5c08e89b6802cd1 10/2/2010 11:29:00 PM Unknown Unknown WinLogon trojan 97 KB
22 Status 0x8cce0e5c1aa18e4aec3aa09817e726cb 9/12/2010 8:14:00 AM Unknown Unknown WinLogon trojan 144 KB
23 Status 0x1f7636dc8948a5031be90d0ba36696c0 8/30/2010 9:31:00 PM Unknown Unknown WinLogon trojan 95 KB
24 Status 0xcf4e8198665877663f9cc66f0ee9253b 8/25/2010 12:37:00 AM Unknown Unknown WinLogon trojan 28 KB
25 Status 0x2ca72990fe8f0c214603d138b51d217d 8/6/2010 11:44:00 PM Unknown Unknown WinLogon trojan 44 KB


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