PC Pitstop Libraries > Process Library > wuauclt.exe
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Process Name

  

What is wuauclt.exe? Windows Update

Vendor:      Microsoft Corporation
Product:     
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: Windows Update

wuauclt.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.


wuauclt.exe is known to be a bad process. Start this Free scan to check your other threats to your PCs security, like this file.
wuauclt.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.
wuauclt.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.

wuauclt.exe Technical Information

Percentage of recently scanned PC's with this process running: 9.42%
Average CPU use for this program: null%
Average RAM for this program: null MB

MD5 Hash Analysis

Program Name MD5 Count
wuauclt.exe

MD5 Hashes Expand md5 List Collapse md5 List
# Status MD5 File Info Last Seen Signed Day Week Month Threat info
1 Status 0x22f873e211b2d3c3dac8e4bf8abc3a2c More File Information 6/14/2013 Unsigned 1 6 12 Not Applicable
2 Status 0x75b06acd9d8dc0fe3603294e1899f496 More File Information 6/14/2013 Unsigned 29 189 782 Not Applicable
3 Status 0x4126d27cece4471e00e425411f7306b5 More File Information 6/14/2013 Unsigned 349 2681 10548 Not Applicable
4 Status 0x62bb79160f86cd962f312c68c6239bfd More File Information 6/14/2013 Signed 2851 19930 111099 Not Applicable
5 Status 0x2e0b0a051ffaa86e358465bb0880d453 More File Information 6/14/2013 Signed 42920 312544 1102819 Not Applicable
6 Status 0xebf1ab7e4fc05cabf2f4680d2a45f827 More File Information 6/14/2013 Signed 2 7 60 Not Applicable
7 Status 0xed7262e52c31cf1625b65039102bc16c More File Information 6/14/2013 Unsigned 229 1850 7088 Not Applicable
8 Status 0x3a83a45e7dd5276315aa20245e7c32bf More File Information 6/14/2013 Signed 76 184 1697 Not Applicable
9 Status 0xff81090b6ef1a42a19df226632711d25 More File Information 6/14/2013 Unsigned 134 950 4173 Not Applicable
10 Status 0x718389719597b5856ff28ea92f17bfae More File Information 6/14/2013 Unsigned 10 104 282 Not Applicable
11 Status 0xe654b78d2f1d791b30d0ed9a8195ec22 More File Information 6/14/2013 Signed 69 885 3932 Not Applicable
12 Status 0x8e93cdf0ea8edba63f07e2898a9b2147 More File Information 6/14/2013 Unsigned 59 371 1179 Not Applicable
13 Status 0xb0da80ff42a0819d162a86612896aaf2 More File Information 6/14/2013 Unsigned 3 34 130 Not Applicable
14 Status 0x343a2b9fc98fe4add5d842c3b9f024ba More File Information 6/14/2013 Signed 70 664 2670 Not Applicable
15 Status 0xf3e9065eb617a7e3a832a7976bfa021b More File Information 6/14/2013 Signed 339 1875 7310 Not Applicable
16 Status 0x77d5a5d7b421ce9946317ccd28dadc8a More File Information 6/14/2013 Signed 35 109 109 Not Applicable
17 Status 0xf073c4d80f73bfeadaf42ae7896ddc1b More File Information 6/13/2013 Unsigned 0 14 14 Not Applicable
18 Status 0xd316e28958873859b88d72cf47ad1ea5 More File Information 6/12/2013 Signed 0 6 110 Not Applicable
19 Status 0x46c547f0a23a39d791d8613260afab75 More File Information 6/9/2013 Signed 0 6 34 Not Applicable
20 Status 0xe355ed0df4b0ebb69863ac3f5e90a40a More File Information 6/9/2013 Signed 0 3 27 Not Applicable
21 Status 0xdfa855fba7c4b622ef413ad44fd96067 More File Information 6/5/2013 Signed 0 0 30 Not Applicable
22 Status 0x0efd5447e40b23be82fa36f35ee0b729 More File Information 6/5/2013 Unsigned 0 0 1 Not Applicable
23 Status 0x51f946f67463face901df0e39cc68b01 More File Information 5/31/2013 Unsigned 0 0 32 Not Applicable
24 Status 0xc1c03ea437edda8a7d4d8786e5ae6751 More File Information 5/28/2013 Signed 0 0 1 Not Applicable
25 Status 0xa3763ce319d9eb3ec2ac04901f293b9d More File Information 5/17/2013 Unsigned 0 0 1 Not Applicable
26 Status 0xe3ec2e7355c9ea123c59b498bbc3dbb9 More File Information 5/13/2013 Signed 0 0 0 Not Applicable
27 Status 0xebf4ac22004504c422fc8b5ee5b6ffd1 More File Information 5/12/2013 Unsigned 0 0 0 Not Applicable
28 Status 0x7b679171eb7828116d4fd56f93e06b5e More File Information 5/9/2013 Signed 0 0 0 Not Applicable
29 Status 0x52b20976056702e8d1c964078af1779e More File Information 4/17/2013 Signed 0 0 0 Not Applicable
30 Status 0xf98103a0f79996d72d7d356f97b75652 More File Information 4/13/2013 Signed 0 0 0 Not Applicable
31 Status 0x88299433b4d599b2537952a6964d5253 More File Information 4/12/2013 Signed 0 0 0 Not Applicable
32 Status 0x197fb5735293c1de647b02bbd8121a9f More File Information 4/11/2013 Unsigned 0 0 0 Not Applicable
33 Status 0xf2bfc71543b66d9827ac5cc88ac419c2 More File Information 3/19/2013 Unsigned 0 0 0 Not Applicable
34 Status 0x01d64a90525e6f8e2ab55497e87fb535 More File Information 3/10/2013 Signed 0 0 0 Not Applicable
35 Status 0xe5a910ffd4f5def7c860b09e9f034826 More File Information 2/9/2013 Signed 0 0 0 Not Applicable
36 Status 0xcd5850972c4e2c6ae141ac717ed97b41 More File Information 1/19/2013 Signed 0 0 0 Not Applicable
37 Status 0x44e38eb04f48fcd1d0d230c10a3eed39 More File Information 11/25/2012 Unsigned 0 0 0 Not Applicable
38 Status 0xa69d0804a7683ad2c00a209f314ad719 More File Information 11/6/2012 Signed 0 0 0 Not Applicable
39 Status 0x1ab12eff0b1cba4117b520260ec89cdb More File Information 10/10/2012 Unsigned 0 0 0 Virus.Win32.Expiro.z (v)
40 Status 0x6ac79275b03d3fc4fe3e5da398e4d4ac More File Information 8/12/2012 Signed 0 0 0 Not Applicable
41 Status 0x07d57f572fab8bf3b76032e9ad97fbc6 More File Information 8/2/2012 Unsigned 0 0 0 Not Applicable
42 Status 0x7fbfaa84fe176d9ae932abc585ab68d5 More File Information 7/17/2012 Unsigned 0 0 0 Not Applicable
43 Status 0x3106544fa5f88a788a9bd993ba767b6c More File Information 6/17/2012 Unsigned 0 0 0 Not Applicable
44 Status 0xfa4e71c558feab65e3a2553552c61de3 More File Information 6/15/2012 Unsigned 0 0 0 Not Applicable
45 Status 0x073acf94ce5a5c10678cfa93339580f0 More File Information 6/4/2012 Unsigned 0 0 0 Not Applicable
46 Status 0x0b6dabd6fff1ad42a3cd65a1c7ee8f35 More File Information 5/5/2012 Unsigned 0 0 0 Not Applicable
47 Status 0x2616d73cf308207e877447f45bc9d991 More File Information No Data Unsigned 0 0 0 Not Applicable
48 Status 0x5c8355446fa13e39cdc31490e0ed409b More File Information No Data Unsigned 0 0 0 Not Applicable
49 Status 0xe2f9163fb1087506aace9d362145c734 More File Information No Data Signed 0 0 0 Not Applicable
50 Status 0x54a919cbc71b3f7fed7583ff635d3dde More File Information No Data Unsigned 0 0 0 Not Applicable
51 Status 0x00b6dabd6fff1ad42a3cd65a1c7ee8f3 More File Information No Data Unsigned 0 0 0 Not Applicable
52 Status 0x2865f5a29afe1ba9154da70bbe34d6d9 More File Information No Data Unsigned 0 0 0 Not Applicable
53 Status 0x0073acf94ce5a5c10678cfa93339580f More File Information No Data Unsigned 0 0 0 Not Applicable
54 Status 0x45111ed016d334a4fda072311656cbf9 More File Information No Data Unsigned 0 0 0 Not Applicable
55 Status 0xcdd6f9cd8b855994979368a2a6a47c21 More File Information No Data Unsigned 0 0 0 Trojan.Win32.Reveton.a (v)
56 Status 0xe3ba0c020bd974adfb0854bf772ed354 More File Information No Data Unsigned 0 0 0 Not Applicable
57 Status 0x0caf9b387cc42fc365626003e0751937 More File Information No Data Signed 0 0 0 Not Applicable
58 Status 0xebb80e7de7c23d8bd2187f9a0b93709b More File Information No Data Unsigned 0 0 0 Not Applicable
59 Status 0x5540ef0a5bd381fa2f5a810eaf7265d1 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 0xbaf580b0166730ee51c7fab8667039a7 3/4/2013 5:35:00 PM Unknown Unknown Windows Update 238 KB
2 Status 0xbaab8042be0f201cebb68ea7f17b3413 12/21/2012 8:00:00 AM Unknown Unknown Windows Update 114 KB
3 Status 0xd053c92d12980c6d69cfce64fb9dcc0e 8/25/2012 11:14:00 PM Unknown Unknown Windows Update 135 KB
4 Status 0x49470bf2cfce084b3d3a7fb56b948c1c 4/12/2012 12:26:00 PM Unknown Unknown Windows Update 135 KB
5 Status 0xb0da80ff42a0819d162a86612896aaf2 2/8/2012 4:25:00 AM Unknown Unknown Windows Update 46 KB
6 Status 0x62bb79160f86cd962f312c68c6239bfd 2/8/2012 3:52:00 AM Unknown Unknown Windows Update 52 KB
7 Status 0x4126d27cece4471e00e425411f7306b5 2/8/2012 3:38:00 AM Unknown 5.4.3790.2180 (xpsp_sp2_rtm.040803-2158) Windows Update 108 KB
8 Status 0x75b06acd9d8dc0fe3603294e1899f496 2/8/2012 1:53:00 AM Unknown Unknown Windows Update 0 KB
9 Status 0xe654b78d2f1d791b30d0ed9a8195ec22 2/7/2012 8:51:00 PM Unknown Unknown Windows Update 50 KB
10 Status 0xdfa855fba7c4b622ef413ad44fd96067 2/7/2012 5:17:00 PM Unknown Unknown Windows Update 51 KB
11 Status 0x46990969761352f53b2310d266e2f1df 2/7/2012 3:21:00 PM Unknown 5.4.3790.2180 (xpsp_sp2_rtm.040803-2158) Windows Update 110 KB
12 Status 0xed7262e52c31cf1625b65039102bc16c 2/5/2012 11:14:00 AM Unknown Unknown Windows Update 108 KB
13 Status 0x8e93cdf0ea8edba63f07e2898a9b2147 2/4/2012 1:36:00 PM Unknown 7.0.6001.18000 (longhorn_rtm.080118-1840) Windows Update 42 KB
14 Status 0xf3e9065eb617a7e3a832a7976bfa021b 2/4/2012 3:35:00 AM Unknown 7.0.6000.381 (winmain(wmbla).070730-1740) Windows Update 51 KB
15 Status 0xe3ec2e7355c9ea123c59b498bbc3dbb9 2/3/2012 9:24:00 PM Unknown Unknown Windows Update 51 KB
16 Status 0x01d64a90525e6f8e2ab55497e87fb535 2/2/2012 9:30:00 PM Unknown 7.1.6001.65 (Longhorn(wmbla).080123-1638) Windows Update 52 KB
17 Status 0xe2f9163fb1087506aace9d362145c734 1/31/2012 9:22:00 AM Unknown 5.8.0.2607 built by: dnsrv(wmbla) Windows Update 121 KB
18 Status 0x0b6dabd6fff1ad42a3cd65a1c7ee8f35 1/28/2012 8:52:00 AM Unknown Unknown Windows Update 67 KB
19 Status 0xff81090b6ef1a42a19df226632711d25 1/28/2012 7:28:00 AM Unknown 6.0.6000.16386 (vista_rtm.061101-2205) Windows Update 40 KB
20 Status 0x16ac034e7753f0f3277af6f5c91d390b 1/26/2012 5:52:00 AM Unknown 5.4.3790.2180 (xpsp_sp2_rtm.040803-2158) Windows Update 109 KB
21 Status 0x7d34ecbedc72d77fbf79fd3465e18697 1/22/2012 1:02:00 AM Unknown Unknown Windows Update 0 KB
22 Status 0xfcacad9819d9a698ac93a7188d97f355 1/21/2012 2:37:00 PM Unknown Unknown Windows Update 109 KB
23 Status 0x846908f3a9f03f85e78103ed9d87b441 1/17/2012 4:34:00 AM Unknown Unknown Windows Update 109 KB
24 Status 0xbe1978af584ee6271923a90efdabd268 1/15/2012 8:03:00 PM Unknown 5.4.3790.3300 (xpsp.080125-0707) Windows Update 108 KB
25 Status 0x1ae06a7c189c16f5116e2be6015f754d 1/13/2012 5:57:00 AM Unknown Unknown Windows Update 55 KB
MD5 Hashes Expand md5 List Collapse md5 List
# Status MD5 Last Seen File Date Revision Common Name Size
1 Status 0xf601b59fdaebefa13eea2543bde8fb45 4/9/2012 2:32:00 AM Unknown Unknown Windows Update 52 KB
2 Status 0x27da75af2f62a3db594bb69aa5efbd76 2/8/2012 10:41:00 PM Unknown Unknown Windows Update 73 KB
3 Status 0x1f70c4a8b0bf10d83f01e3c19f22ae1c 11/21/2011 2:27:00 PM Unknown Unknown Windows Update 51 KB
4 Status 0x17a4629e268212dbfcef95c48c761a06 9/19/2011 7:38:00 AM Unknown 5.4.3790.2096 (xpsp_sp2_rc1.040311-2315) Windows Update 109 KB
5 Status 0x3a83a45e7dd5276315aa20245e7c32bf 9/16/2011 12:50:00 PM Unknown 7.0.6000.374 (winmain(wmbla).070416-2057) Windows Update 51 KB
6 Status 0xa4425b538e4087e33ff89a378ff0c8d0 9/15/2011 11:31:00 AM Unknown Unknown Windows Update 67 KB
7 Status 0xa3763ce319d9eb3ec2ac04901f293b9d 9/15/2011 3:10:00 AM Unknown 5.4.3630.1106 (xpsp1.020828-1920) Windows Update 136 KB
8 Status 0xd316e28958873859b88d72cf47ad1ea5 9/7/2011 8:14:00 PM Unknown Unknown Windows Update 52 KB
9 Status 0xebf1ab7e4fc05cabf2f4680d2a45f827 8/30/2011 6:51:00 PM Unknown 5.8.0.2469 built by: lab01_n(wmbla) Windows Update 121 KB
10 Status 0x88d78f1c0c77194425ef5ec9242beac3 8/27/2011 4:16:00 PM Unknown Unknown Windows Update 108 KB
11 Status 0x7e3defe771cb451b0ff630bfa435417e 8/27/2011 10:55:00 AM Unknown Unknown Windows Update 110 KB
12 Status 0x4f2ddaecd720aaa6ad7475e5a29e5980 8/24/2011 7:17:00 PM Unknown Unknown Windows Update 109 KB
13 Status 0x974fa6d27fe3413adbaea63017aef1a4 8/23/2011 2:08:00 PM Unknown 5.4.3790.2180 (xpsp_sp2_rtm.040803-2158) Windows Update 109 KB
14 Status 0x875cdad13d9df3d4c615718e90c1cad9 8/22/2011 1:30:00 PM Unknown Unknown Windows Update 66 KB
15 Status 0xe8b6af451ae34742da3d9623f7e94efd 8/13/2011 11:00:00 PM Unknown Unknown Windows Update 109 KB
16 Status 0x37d72b36bdd7c6d5cf5336550037eba6 7/27/2011 5:42:00 AM Unknown 5.8.0.2469 built by: lab01_n(wmbla) Windows Update 122 KB
17 Status 0xe2a8ff0fbd4e7af88b1f6e2cab5ad543 7/18/2011 4:02:00 PM Unknown 7.0.6001.17052 (longhorn_rc1.071129-2315) Windows Update 42 KB
18 Status 0xd76c7b3d5c85a62c8c19cedf830b8456 7/16/2011 4:43:00 PM Unknown 5.4.3790.2180 (xpsp_sp2_rtm.040803-2158) Windows Update 109 KB
19 Status 0xf22593a5e6a231ac9d8db8fc3cb03c6a 7/14/2011 1:00:00 AM Unknown 5.4.3790.3264 (xpsp.071130-0108) Windows Update 108 KB
20 Status 0xfe717bd907d1e18a14ef1096758faf02 7/7/2011 5:10:00 PM Unknown Unknown Windows Update 109 KB
21 Status 0xa73c3bc3bbe7bf60b61add0cc4e26c58 6/2/2011 11:29:00 AM Unknown Unknown Windows Update 108 KB
22 Status 0xfc7ac7683ca30d8f8b6dab686b781784 5/31/2011 2:03:00 PM Unknown Unknown Windows Update 53 KB
23 Status 0xc54f6c23403b1b0e8472e4cc0b3cafee 5/28/2011 3:03:00 PM Unknown Unknown Windows Update 109 KB
24 Status 0xf6066c005fac8caf210882563c92a093 5/26/2011 2:39:00 AM Unknown Unknown Windows Update 105 KB
25 Status 0xa5d19fff8cdc18d7447b43e94a168a4f 5/18/2011 2:03:00 AM Unknown Unknown Windows Update 52 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.