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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.

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.

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

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 0x7e3defe771cb451b0ff630bfa435417e More File Information 5/23/2016 Unsigned 1 16 72 Not Applicable
2 Status 0x0c12a2b863fea45598134e3b6e379f88 More File Information 5/23/2016 Unsigned 2 29 297 Not Applicable
3 Status 0xcff96e0ce6f81f5968a6d61786642855 More File Information 5/23/2016 Unsigned 6 292 19891 Not Applicable
4 Status 0xa28ed9e67c6ebd952dc354fdc4a52595 More File Information 5/23/2016 Unsigned 6 31 449 Not Applicable
5 Status 0xcdbe532602413e7fb0c395024749c7aa More File Information 5/23/2016 Unsigned 3 167 2398 Not Applicable
6 Status 0x865bde0984c7794800a582d70f186afe More File Information 5/23/2016 Signed 3 52 601 Not Applicable
7 Status 0x81df54220abc3c35474358677836ffd5 More File Information 5/23/2016 Signed 3 146 2311 Not Applicable
8 Status 0x5078e1a35d4f686dd78f089261b9a4ac More File Information 5/23/2016 Signed 141 2134 33174 Not Applicable
9 Status 0x42d4e0730f3cf8d96587d23e7b0bc39d More File Information 5/23/2016 Signed 13 374 3488 Not Applicable
10 Status 0x288c851f6d7c90b85aad3cabde0a5592 More File Information 5/23/2016 Signed 2116 25520 174431 Not Applicable
11 Status 0xe183fe2b532617f88d8f2db45d14688d More File Information 5/23/2016 Unsigned 547 12723 191515 Not Applicable
12 Status 0x1f0038f5b57d5bda7c1368ea240b4d57 More File Information 5/23/2016 Unsigned 3753 112050 1399376 Not Applicable
13 Status 0xa40a005b63e305a0509a69a604659944 More File Information 5/23/2016 Signed 3 137 2474 Not Applicable
14 Status 0x072678e0d68e9c3a7960328671134c7b More File Information 5/23/2016 Signed 12 692 30771 Not Applicable
15 Status 0xead9e413a6ceb9fd8e2ad9dc0716c061 More File Information 5/23/2016 Signed 40 6692 106209 Not Applicable
16 Status 0x56e06eb6aa9ef1bcee31cfa581c70d95 More File Information 5/23/2016 Signed 5 16 235 Not Applicable
17 Status 0x2e0b0a051ffaa86e358465bb0880d453 More File Information 5/23/2016 Signed 6386 79803 1230681 Not Applicable
18 Status 0x62bb79160f86cd962f312c68c6239bfd More File Information 5/23/2016 Signed 26 7462 79543 Not Applicable
19 Status 0xea2df5520d3623f353f43809a2f88086 More File Information 5/23/2016 Signed 1 36 494 Not Applicable
20 Status 0xaea602b4036cf95522818e911654f52e More File Information 5/23/2016 Unsigned 9 401 36865 Not Applicable
21 Status 0x6fdc1fad277aef0a89b0d28f5675679c More File Information 5/23/2016 Unsigned 5 522 7600 Not Applicable
22 Status 0x6cdf693db2b20604e7314f8323f52f00 More File Information 5/23/2016 Signed 2 36 623 Not Applicable
23 Status 0xbb94c39c0eeb8810ce3e65611232d59c More File Information 5/23/2016 Signed 25 365 6598 Not Applicable
24 Status 0x6afbb018517367b69076cc84abf9ca80 More File Information 5/23/2016 Signed 4 35 558 Not Applicable
25 Status 0x2d177435983b132853bcfc07bb389a22 More File Information 5/23/2016 Signed 1 7 89 Not Applicable
26 Status 0x0caf9b387cc42fc365626003e0751937 More File Information 5/23/2016 Signed 12 26125 485355 Not Applicable
27 Status 0x8e93cdf0ea8edba63f07e2898a9b2147 More File Information 5/23/2016 Unsigned 1 40 1284 Not Applicable
28 Status 0xed7262e52c31cf1625b65039102bc16c More File Information 5/23/2016 Unsigned 372 2395 16085 Not Applicable
29 Status 0xe654b78d2f1d791b30d0ed9a8195ec22 More File Information 5/23/2016 Signed 29 512 5970 Not Applicable
30 Status 0xc1c03ea437edda8a7d4d8786e5ae6751 More File Information 5/23/2016 Signed 134 7751 135513 Not Applicable
31 Status 0x44e38eb04f48fcd1d0d230c10a3eed39 More File Information 5/23/2016 Unsigned 4 43 521 Not Applicable
32 Status 0x7f15f3e0f847d90eb3a2124258e6b1dc More File Information 5/23/2016 Signed 1 11 134 Not Applicable
33 Status 0x233ab915dbb476bfd7218db553d91dcc More File Information 5/23/2016 Unsigned 32 1084 14298 Not Applicable
34 Status 0xbcc864123ef97e57b1a0c3a2066c216f More File Information 5/23/2016 Unsigned 3 67 1060 Not Applicable
35 Status 0x2726a211005117c8324888c88ddaa68a More File Information 5/23/2016 Signed 1 15 94 Not Applicable
36 Status 0x30b7d98dc425ddb424c8ddfdb55979ba More File Information 5/23/2016 Signed 26 323 3458 Not Applicable
37 Status 0x9c28941e2ecc65a9e20825f3659f1036 More File Information 5/23/2016 Signed 31 970 25629 Not Applicable
38 Status 0x8bacf65c95da69173fa80f644502f9bc More File Information 5/23/2016 Signed 536 17838 515125 Not Applicable
39 Status 0x425ada64bff42afb0fa59a172d1d03a8 More File Information 5/23/2016 Signed 1 12 160 Not Applicable
40 Status 0x2e0b86e1775f5b25bcf1d811d204f514 More File Information 5/23/2016 Signed 2 43 948 Not Applicable
41 Status 0x5cfd1ca0fe043353d73923f659446f77 More File Information 5/23/2016 Unsigned 5 90 939 Not Applicable
42 Status 0x64b432fb351118b222a5342a7a461696 More File Information 5/23/2016 Unsigned 1 122 1897 Not Applicable
43 Status 0x84ccd7bfbc7f9b4dda2623b1020141dc More File Information 5/23/2016 Unsigned 2 161 7977 Not Applicable
44 Status 0xb0a43ec743402edba9527365291708a3 More File Information 5/23/2016 Unsigned 105 1201 25284 Not Applicable
45 Status 0x891dd23e435d8d95d5a966b767f45a35 More File Information 5/23/2016 Signed 8 292 5005 Not Applicable
46 Status 0xce08490157d7c871a4f1e9d8057ec2a1 More File Information 5/23/2016 Unsigned 4 286 4182 Not Applicable
47 Status 0xef6122ab06b2b38cf1fb0efd9a173ae3 More File Information 5/23/2016 Unsigned 1 20 543 Not Applicable
48 Status 0x6544054d27a9531c6600e6d594b9dd79 More File Information 5/23/2016 Signed 1 4 27 Not Applicable
49 Status 0x7b0a0be4b067c9cc4898cffc30bad425 More File Information 5/23/2016 Signed 1 53 1547 Not Applicable
50 Status 0x30980c6ffd1a8a25507ac5dba502ffd4 More File Information 5/23/2016 Signed 9 549 2933 Not Applicable
51 Status 0x4766a523bd8265f3082662a49c382680 More File Information 5/23/2016 Signed 168 9413 61002 Not Applicable
52 Status 0x1d110fdddfdb258c52a8302715663389 More File Information 5/23/2016 Signed 1 12 49 Not Applicable
53 Status 0xad8f7aff80968e3e42e73e2450c3c651 More File Information 5/23/2016 Signed 2 291 5179 Not Applicable
54 Status 0x3ab9868e0e78ad9cd501b83d7c293125 More File Information 5/22/2016 Signed 0 14 167 Not Applicable
55 Status 0x594a7af88348468dab24781bf3921230 More File Information 5/22/2016 Unsigned 0 25 445 Not Applicable
56 Status 0x3f9239d5f65f1318a53ebaec01c092f1 More File Information 5/22/2016 Unsigned 0 216 6462 Not Applicable
57 Status 0xff81090b6ef1a42a19df226632711d25 More File Information 5/22/2016 Unsigned 0 275 6211 Not Applicable
58 Status 0x4126d27cece4471e00e425411f7306b5 More File Information 5/22/2016 Unsigned 0 56 2212 Not Applicable
59 Status 0x887b6b39b514aa05d99a6115c52245b8 More File Information 5/22/2016 Signed 0 4 51 Not Applicable
60 Status 0x94f1b09bf0e20ff812df9183d8162743 More File Information 5/22/2016 Signed 0 4 30 Not Applicable
61 Status 0xb4eab9c15967ebd6e4569734892176d4 More File Information 5/22/2016 Signed 0 42 644 Not Applicable
62 Status 0x1d30b15a3296ad6c2db4eb7f3dd5dd4d More File Information 5/22/2016 Signed 0 43 768 Not Applicable
63 Status 0x6da660f80d71f40790d357c8b66dfa28 More File Information 5/21/2016 Signed 0 10 253 Not Applicable
64 Status 0x312a6bc62e08bbcbf67c5e06abceb551 More File Information 5/21/2016 Signed 0 8 300 Not Applicable
65 Status 0xb0da80ff42a0819d162a86612896aaf2 More File Information 5/21/2016 Unsigned 0 10 220 Not Applicable
66 Status 0x5e89ec6165e545b77122227e1dffa23a More File Information 5/21/2016 Signed 0 6 101 Not Applicable
67 Status 0xb1ba251a93d6919780e9645fbbedc470 More File Information 5/21/2016 Signed 0 3 19 Not Applicable
68 Status 0x19225b5af9f6889316fea683bc36a0f8 More File Information 5/21/2016 Signed 0 5 21 Not Applicable
69 Status 0xed6a11f4562f89f559243ac87b01dbf4 More File Information 5/20/2016 Signed 0 21 3010 Not Applicable
70 Status 0x4a12c727502a07c4b89b663b942df289 More File Information 5/20/2016 Signed 0 29 174 Not Applicable
71 Status 0x47457f248dc46faa30cc8b53ebfb9b22 More File Information 5/19/2016 Signed 0 1 11 Not Applicable
72 Status 0x7fbfaa84fe176d9ae932abc585ab68d5 More File Information 5/19/2016 Unsigned 0 131 1239 Not Applicable
73 Status 0x5a0cb97a5801bca649c17752f8379472 More File Information 5/19/2016 Unsigned 0 12 238 Not Applicable
74 Status 0x797116064597b594c8abeeb18963c9a3 More File Information 5/19/2016 Signed 0 16 218 Not Applicable
75 Status 0x742cb224e35eb7173e693ab5419cca62 More File Information 5/19/2016 Signed 0 1 1 Not Applicable
76 Status 0x185e470d425ea8ead193a47a13c254aa More File Information 5/18/2016 Signed 0 13 327 Not Applicable
77 Status 0x2c1c2a1aab6b364ad4c10d71bff91b28 More File Information 5/18/2016 Signed 0 6 198 Not Applicable
78 Status 0x1a40d88e8a6acfb062fa7d57bfe14a24 More File Information 5/18/2016 Signed 0 6 26 Not Applicable
79 Status 0xe89f94aed85bf3611f61608c26b64177 More File Information 5/18/2016 Unsigned 0 15 190 Not Applicable
80 Status 0xf3e9065eb617a7e3a832a7976bfa021b More File Information 5/18/2016 Signed 0 7 133 Not Applicable
81 Status 0x75b06acd9d8dc0fe3603294e1899f496 More File Information 5/18/2016 Unsigned 0 3 107 Not Applicable
82 Status 0xebf1ab7e4fc05cabf2f4680d2a45f827 More File Information 5/18/2016 Signed 0 12 243 Not Applicable
83 Status 0xe2f9163fb1087506aace9d362145c734 More File Information 5/18/2016 Signed 0 79 2410 Not Applicable
84 Status 0x392619a4a264ff3a6c4d96fc6388f1f6 More File Information 5/18/2016 Signed 0 4 79 Not Applicable
85 Status 0xa53183dac7d49cbb62fdb012d8678423 More File Information 5/18/2016 Signed 0 5 75 Not Applicable
86 Status 0x6c44ddbda88013fb4367d61ec6498b80 More File Information 5/18/2016 Signed 0 10 401 Not Applicable
87 Status 0xe7c4b1d46f50aa42242078e9fcf63a2c More File Information 5/18/2016 Signed 0 14 325 Not Applicable
88 Status 0x95681912b8d1c1cc8b1fec3637b0c4ea More File Information 5/17/2016 Signed 0 3 3 Not Applicable
89 Status 0x82979850a3e9b7581e28852139eb9d01 More File Information 5/17/2016 Unsigned 0 5 88 Not Applicable
90 Status 0x17eb5520615744ee8190861c120dff93 More File Information 5/17/2016 Signed 0 1 18 Not Applicable
91 Status 0x0df8a7a5e072a6ba0af1e563518255c0 More File Information 5/17/2016 Signed 0 2 33 Not Applicable
92 Status 0xcecefbf0e3cc15587fdba5404ed80357 More File Information 5/17/2016 Unsigned 0 1 50 Not Applicable
93 Status 0xcd3bffb7b15a95e49c07ac19fabe3f28 More File Information 5/17/2016 Signed 0 2 11 Not Applicable
94 Status 0x85a86111364decf9908894175cbc6dd8 More File Information 5/17/2016 Signed 0 1 63 Not Applicable
95 Status 0x01d64a90525e6f8e2ab55497e87fb535 More File Information 5/17/2016 Signed 0 12 726 Not Applicable
96 Status 0x9260c8fdce380b0875cd9fa98195c0b6 More File Information 5/17/2016 Signed 0 1 9 Not Applicable
97 Status 0x8d132c855c3040012d4805e0c8f10fa0 More File Information 5/17/2016 Unsigned 0 66 1918 Not Applicable
98 Status 0x23d5ad57221486ce8b13d4d84e26cab2 More File Information 5/17/2016 Unsigned 0 1 41 Not Applicable
99 Status 0xaae63132aee6a66a8da6dadb7ec6c28f More File Information 5/17/2016 Signed 0 29 1093 Not Applicable
100 Status 0xd3a6cb4af4ea9ca43cc41e20b5093970 More File Information 5/17/2016 Signed 0 5 88 Not Applicable
MD5 Hashes Expand md5 List Collapse md5 List
# Status MD5 Last Seen File Date Revision Common Name Size
1 Status 0x8d86b3e559bd04efeb745a12a2c6bdfb 2/5/2015 9:02:00 PM Unknown Unknown Windows Update 106 KB
2 Status 0x846908f3a9f03f85e78103ed9d87b441 2/3/2015 3:04:00 AM Unknown Unknown Windows Update 109 KB
3 Status 0xfc21787f32e3793a4c7c02d2bfaa5ae0 1/12/2015 6:12:00 PM Unknown 5.4.3790.2180 (xpsp_sp2_rtm.040803-2158) Windows Update 110 KB
4 Status 0xe3ec2e7355c9ea123c59b498bbc3dbb9 12/14/2014 10:43:00 PM Unknown Unknown Windows Update 51 KB
5 Status 0xfcacad9819d9a698ac93a7188d97f355 9/20/2014 9:11:00 AM Unknown Unknown Windows Update 109 KB
6 Status 0x95b028f9a8b310d084ee816d3acc11b9 8/16/2014 8:04:00 AM Unknown Unknown Windows Update 0 KB
7 Status 0xb718e698d456c0fe62cfbbc186da742c 8/7/2014 11:17:00 AM Unknown 5.4.3790.2180 (xpsp_sp2_rtm.040803-2158) Windows Update 109 KB
8 Status 0x4fe41a819f5a1ff0923f12b34830a6ca 8/1/2014 10:25:00 PM Unknown 5.4.3790.2182 built by: srv03_rtm(ntvbl04) Windows Update 111 KB
9 Status 0xbaf580b0166730ee51c7fab8667039a7 3/4/2013 5:35:00 PM Unknown Unknown Windows Update 238 KB
10 Status 0xbaab8042be0f201cebb68ea7f17b3413 12/21/2012 8:00:00 AM Unknown Unknown Windows Update 114 KB
11 Status 0xd053c92d12980c6d69cfce64fb9dcc0e 8/25/2012 11:14:00 PM Unknown Unknown Windows Update 135 KB
12 Status 0x49470bf2cfce084b3d3a7fb56b948c1c 4/12/2012 12:26:00 PM Unknown Unknown Windows Update 135 KB
13 Status 0x46990969761352f53b2310d266e2f1df 2/7/2012 3:21:00 PM Unknown 5.4.3790.2180 (xpsp_sp2_rtm.040803-2158) Windows Update 110 KB
14 Status 0x01d64a90525e6f8e2ab55497e87fb535 2/2/2012 9:30:00 PM Unknown 7.1.6001.65 (Longhorn(wmbla).080123-1638) Windows Update 52 KB
15 Status 0xe2f9163fb1087506aace9d362145c734 1/31/2012 9:22:00 AM Unknown 5.8.0.2607 built by: dnsrv(wmbla) Windows Update 121 KB
16 Status 0x0b6dabd6fff1ad42a3cd65a1c7ee8f35 1/28/2012 8:52:00 AM Unknown Unknown Windows Update 67 KB
17 Status 0x16ac034e7753f0f3277af6f5c91d390b 1/26/2012 5:52:00 AM Unknown 5.4.3790.2180 (xpsp_sp2_rtm.040803-2158) Windows Update 109 KB
18 Status 0x7d34ecbedc72d77fbf79fd3465e18697 1/22/2012 1:02:00 AM Unknown Unknown Windows Update 0 KB
19 Status 0xbe1978af584ee6271923a90efdabd268 1/15/2012 8:03:00 PM Unknown 5.4.3790.3300 (xpsp.080125-0707) Windows Update 108 KB
20 Status 0x1ae06a7c189c16f5116e2be6015f754d 1/13/2012 5:57:00 AM Unknown Unknown Windows Update 55 KB
21 Status 0xebb80e7de7c23d8bd2187f9a0b93709b 1/11/2012 3:40:00 PM Unknown 5.4.2600.0 (XPClient.010817-1148) Windows Update 109 KB
MD5 Hashes Expand md5 List Collapse md5 List
# Status MD5 Last Seen File Date Revision Common Name Size
1 Status 0xa3763ce319d9eb3ec2ac04901f293b9d 12/18/2014 3:10:00 AM Unknown 5.4.3630.1106 (xpsp1.020828-1920) Windows Update 136 KB
2 Status 0x4f2ddaecd720aaa6ad7475e5a29e5980 10/29/2014 7:17:00 PM Unknown Unknown Windows Update 109 KB
3 Status 0xf601b59fdaebefa13eea2543bde8fb45 4/9/2012 2:32:00 AM Unknown Unknown Windows Update 52 KB
4 Status 0x27da75af2f62a3db594bb69aa5efbd76 2/8/2012 10:41:00 PM Unknown Unknown Windows Update 73 KB
5 Status 0x1f70c4a8b0bf10d83f01e3c19f22ae1c 11/21/2011 2:27:00 PM Unknown Unknown Windows Update 51 KB
6 Status 0x17a4629e268212dbfcef95c48c761a06 9/19/2011 7:38:00 AM Unknown 5.4.3790.2096 (xpsp_sp2_rc1.040311-2315) Windows Update 109 KB
7 Status 0x3a83a45e7dd5276315aa20245e7c32bf 9/16/2011 12:50:00 PM Unknown 7.0.6000.374 (winmain(wmbla).070416-2057) Windows Update 51 KB
8 Status 0xa4425b538e4087e33ff89a378ff0c8d0 9/15/2011 11:31:00 AM Unknown Unknown Windows Update 67 KB
9 Status 0xd316e28958873859b88d72cf47ad1ea5 9/7/2011 8:14:00 PM Unknown Unknown Windows Update 52 KB
10 Status 0x88d78f1c0c77194425ef5ec9242beac3 8/27/2011 4:16:00 PM Unknown Unknown Windows Update 108 KB
11 Status 0x974fa6d27fe3413adbaea63017aef1a4 8/23/2011 2:08:00 PM Unknown 5.4.3790.2180 (xpsp_sp2_rtm.040803-2158) Windows Update 109 KB
12 Status 0x875cdad13d9df3d4c615718e90c1cad9 8/22/2011 1:30:00 PM Unknown Unknown Windows Update 66 KB
13 Status 0xe8b6af451ae34742da3d9623f7e94efd 8/13/2011 11:00:00 PM Unknown Unknown Windows Update 109 KB
14 Status 0x37d72b36bdd7c6d5cf5336550037eba6 7/27/2011 5:42:00 AM Unknown 5.8.0.2469 built by: lab01_n(wmbla) Windows Update 122 KB
15 Status 0xe2a8ff0fbd4e7af88b1f6e2cab5ad543 7/18/2011 4:02:00 PM Unknown 7.0.6001.17052 (longhorn_rc1.071129-2315) Windows Update 42 KB
16 Status 0xd76c7b3d5c85a62c8c19cedf830b8456 7/16/2011 4:43:00 PM Unknown 5.4.3790.2180 (xpsp_sp2_rtm.040803-2158) Windows Update 109 KB
17 Status 0xf22593a5e6a231ac9d8db8fc3cb03c6a 7/14/2011 1:00:00 AM Unknown 5.4.3790.3264 (xpsp.071130-0108) Windows Update 108 KB
18 Status 0xfe717bd907d1e18a14ef1096758faf02 7/7/2011 5:10:00 PM Unknown Unknown Windows Update 109 KB
19 Status 0xa73c3bc3bbe7bf60b61add0cc4e26c58 6/2/2011 11:29:00 AM Unknown Unknown Windows Update 108 KB
20 Status 0xfc7ac7683ca30d8f8b6dab686b781784 5/31/2011 2:03:00 PM Unknown Unknown Windows Update 53 KB
21 Status 0xc54f6c23403b1b0e8472e4cc0b3cafee 5/28/2011 3:03:00 PM Unknown Unknown Windows Update 109 KB
22 Status 0xf6066c005fac8caf210882563c92a093 5/26/2011 2:39:00 AM Unknown Unknown Windows Update 105 KB
23 Status 0xa5d19fff8cdc18d7447b43e94a168a4f 5/18/2011 2:03:00 AM Unknown Unknown Windows Update 52 KB
24 Status 0xc8fb473d140454c19553fb567a1ffe78 5/14/2011 10:22:00 PM Unknown Unknown Windows Update 69 KB
25 Status 0x894e3521d3fb03484dc566f553fa30a8 4/30/2011 1:29:00 PM Unknown 5.4.3790.20 built by: lab04_n Windows Update 145 KB



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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.