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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 0xa28ed9e67c6ebd952dc354fdc4a52595 More File Information 3/28/2017 Unsigned 11 46 205 Not Applicable
2 Status 0xcdbe532602413e7fb0c395024749c7aa More File Information 3/28/2017 Unsigned 96 696 3850 Not Applicable
3 Status 0x865bde0984c7794800a582d70f186afe More File Information 3/28/2017 Signed 12 66 212 Not Applicable
4 Status 0xcff96e0ce6f81f5968a6d61786642855 More File Information 3/28/2017 Unsigned 15 69 382 Not Applicable
5 Status 0x0c12a2b863fea45598134e3b6e379f88 More File Information 3/28/2017 Unsigned 13 84 265 Not Applicable
6 Status 0x51b4d7e27c06a17d669577db79a3ed54 More File Information 3/28/2017 Unsigned 8619 52918 147947 Not Applicable
7 Status 0x42d4e0730f3cf8d96587d23e7b0bc39d More File Information 3/28/2017 Signed 10 51 217 Not Applicable
8 Status 0x288c851f6d7c90b85aad3cabde0a5592 More File Information 3/28/2017 Signed 552 3230 12046 Not Applicable
9 Status 0xe183fe2b532617f88d8f2db45d14688d More File Information 3/28/2017 Unsigned 1757 12046 105177 Not Applicable
10 Status 0x1f0038f5b57d5bda7c1368ea240b4d57 More File Information 3/28/2017 Unsigned 30516 192481 901343 Not Applicable
11 Status 0x17eb5520615744ee8190861c120dff93 More File Information 3/28/2017 Signed 1 8 45 Not Applicable
12 Status 0x81df54220abc3c35474358677836ffd5 More File Information 3/28/2017 Signed 48 138 535 Not Applicable
13 Status 0x5078e1a35d4f686dd78f089261b9a4ac More File Information 3/28/2017 Signed 250 1780 7725 Not Applicable
14 Status 0x3ab9868e0e78ad9cd501b83d7c293125 More File Information 3/28/2017 Signed 7 30 92 Not Applicable
15 Status 0xa40a005b63e305a0509a69a604659944 More File Information 3/28/2017 Signed 60 393 1549 Not Applicable
16 Status 0x185e470d425ea8ead193a47a13c254aa More File Information 3/28/2017 Signed 3 35 113 Not Applicable
17 Status 0xed6a11f4562f89f559243ac87b01dbf4 More File Information 3/28/2017 Signed 6 90 620 Not Applicable
18 Status 0x19a165f4598c05567c78df581c87ccc3 More File Information 3/28/2017 Signed 2 4 27 Not Applicable
19 Status 0xff81090b6ef1a42a19df226632711d25 More File Information 3/28/2017 Unsigned 52 273 1612 Not Applicable
20 Status 0x2e0b0a051ffaa86e358465bb0880d453 More File Information 3/28/2017 Signed 68790 472481 1093507 Not Applicable
21 Status 0x7fbfaa84fe176d9ae932abc585ab68d5 More File Information 3/28/2017 Unsigned 39 241 912 Not Applicable
22 Status 0x62bb79160f86cd962f312c68c6239bfd More File Information 3/28/2017 Signed 764 3239 15252 Not Applicable
23 Status 0xd628f8470f5d8008736270f5b02b5311 More File Information 3/28/2017 Signed 1662 13268 43137 Not Applicable
24 Status 0x34356d8a4183b33e8097a3d80833faae More File Information 3/28/2017 Unsigned 78525 228810 878448 Not Applicable
25 Status 0xea2df5520d3623f353f43809a2f88086 More File Information 3/28/2017 Signed 9 58 252 Not Applicable
26 Status 0xa231d60ea9b4a4f201210c2d1e54743a More File Information 3/28/2017 Unsigned 23 74 108 Not Applicable
27 Status 0x0a80e825e22a7fb7bccf90e13521ffc7 More File Information 3/28/2017 Signed 5 84 363 Not Applicable
28 Status 0xc66136377761b44a52386290eba87b1e More File Information 3/28/2017 Signed 166 3596 6880 Not Applicable
29 Status 0xaea602b4036cf95522818e911654f52e More File Information 3/28/2017 Unsigned 204 1170 7963 Not Applicable
30 Status 0x2e0b86e1775f5b25bcf1d811d204f514 More File Information 3/28/2017 Signed 11 72 298 Not Applicable
31 Status 0x5cfd1ca0fe043353d73923f659446f77 More File Information 3/28/2017 Unsigned 16 74 354 Not Applicable
32 Status 0x64b432fb351118b222a5342a7a461696 More File Information 3/28/2017 Unsigned 71 656 3760 Not Applicable
33 Status 0x83bf0ee2db8ab8059b8979e7df143af1 More File Information 3/28/2017 Signed 38 314 1338 Not Applicable
34 Status 0x91e692689d548e3c5e7ffe6d42322d86 More File Information 3/28/2017 Signed 11 13 48 Not Applicable
35 Status 0x6da660f80d71f40790d357c8b66dfa28 More File Information 3/28/2017 Signed 11 58 165 Not Applicable
36 Status 0xe89f94aed85bf3611f61608c26b64177 More File Information 3/28/2017 Unsigned 6 12 47 Not Applicable
37 Status 0x072678e0d68e9c3a7960328671134c7b More File Information 3/28/2017 Signed 1466 2204 7064 Not Applicable
38 Status 0xead9e413a6ceb9fd8e2ad9dc0716c061 More File Information 3/28/2017 Signed 1157 10687 111069 Not Applicable
39 Status 0x56e06eb6aa9ef1bcee31cfa581c70d95 More File Information 3/28/2017 Signed 10 66 276 Not Applicable
40 Status 0x1a40d88e8a6acfb062fa7d57bfe14a24 More File Information 3/28/2017 Signed 2 8 25 Not Applicable
41 Status 0x2321ed202ad6c4ef2ba3d11ed770ac36 More File Information 3/28/2017 Signed 4 13 33 Not Applicable
42 Status 0xcc270562cc41d32d118d9ea75e966fe5 More File Information 3/28/2017 Signed 97 366 1335 Not Applicable
43 Status 0x5643f2256f18b8d250dd34ef2639b65f More File Information 3/28/2017 Signed 27 151 477 Not Applicable
44 Status 0x5a0cb97a5801bca649c17752f8379472 More File Information 3/28/2017 Unsigned 10 63 249 Not Applicable
45 Status 0x6fdc1fad277aef0a89b0d28f5675679c More File Information 3/28/2017 Unsigned 277 5773 16631 Not Applicable
46 Status 0x6cdf693db2b20604e7314f8323f52f00 More File Information 3/28/2017 Signed 6 48 288 Not Applicable
47 Status 0xbb94c39c0eeb8810ce3e65611232d59c More File Information 3/28/2017 Signed 128 687 2581 Not Applicable
48 Status 0xcecefbf0e3cc15587fdba5404ed80357 More File Information 3/28/2017 Unsigned 2 9 39 Not Applicable
49 Status 0x6afbb018517367b69076cc84abf9ca80 More File Information 3/28/2017 Signed 11 66 287 Not Applicable
50 Status 0x594a7af88348468dab24781bf3921230 More File Information 3/28/2017 Unsigned 18 1399 2145 Not Applicable
51 Status 0x3f9239d5f65f1318a53ebaec01c092f1 More File Information 3/28/2017 Unsigned 194 3087 7050 Not Applicable
52 Status 0x85a86111364decf9908894175cbc6dd8 More File Information 3/28/2017 Signed 14 55 237 Not Applicable
53 Status 0x2d177435983b132853bcfc07bb389a22 More File Information 3/28/2017 Signed 1 3 9 Not Applicable
54 Status 0x4a12c727502a07c4b89b663b942df289 More File Information 3/28/2017 Signed 9 52 242 Not Applicable
55 Status 0x0caf9b387cc42fc365626003e0751937 More File Information 3/28/2017 Signed 3740 20193 73277 Not Applicable
56 Status 0xd316e28958873859b88d72cf47ad1ea5 More File Information 3/28/2017 Signed 86 192 209 Not Applicable
57 Status 0x4126d27cece4471e00e425411f7306b5 More File Information 3/28/2017 Unsigned 5 70 3318 Not Applicable
58 Status 0x75b06acd9d8dc0fe3603294e1899f496 More File Information 3/28/2017 Unsigned 1 15 68 Not Applicable
59 Status 0xb0da80ff42a0819d162a86612896aaf2 More File Information 3/28/2017 Unsigned 1 19 52 Not Applicable
60 Status 0x8e93cdf0ea8edba63f07e2898a9b2147 More File Information 3/28/2017 Unsigned 21 125 563 Not Applicable
61 Status 0xed7262e52c31cf1625b65039102bc16c More File Information 3/28/2017 Unsigned 201 1457 5780 Not Applicable
62 Status 0xe654b78d2f1d791b30d0ed9a8195ec22 More File Information 3/28/2017 Signed 106 576 2409 Not Applicable
63 Status 0xc1c03ea437edda8a7d4d8786e5ae6751 More File Information 3/28/2017 Signed 23209 203175 402018 Not Applicable
64 Status 0x44e38eb04f48fcd1d0d230c10a3eed39 More File Information 3/28/2017 Unsigned 30 168 593 Not Applicable
65 Status 0x797116064597b594c8abeeb18963c9a3 More File Information 3/28/2017 Signed 14 106 381 Not Applicable
66 Status 0x392619a4a264ff3a6c4d96fc6388f1f6 More File Information 3/28/2017 Signed 5 10 44 Not Applicable
67 Status 0x9260c8fdce380b0875cd9fa98195c0b6 More File Information 3/28/2017 Signed 1 1 1 Not Applicable
68 Status 0x7f15f3e0f847d90eb3a2124258e6b1dc More File Information 3/28/2017 Signed 4 30 54 Not Applicable
69 Status 0xdce466eada16ed4e5590177f5611498a More File Information 3/28/2017 Signed 1 9 21 Not Applicable
70 Status 0x233ab915dbb476bfd7218db553d91dcc More File Information 3/28/2017 Unsigned 550 3102 49834 Not Applicable
71 Status 0xbcc864123ef97e57b1a0c3a2066c216f More File Information 3/28/2017 Unsigned 116 331 6921 Not Applicable
72 Status 0x2726a211005117c8324888c88ddaa68a More File Information 3/28/2017 Signed 1 7 20 Not Applicable
73 Status 0x30b7d98dc425ddb424c8ddfdb55979ba More File Information 3/28/2017 Signed 41 213 697 Not Applicable
74 Status 0x8bacf65c95da69173fa80f644502f9bc More File Information 3/28/2017 Signed 115 690 2708 Not Applicable
75 Status 0x887b6b39b514aa05d99a6115c52245b8 More File Information 3/28/2017 Signed 1 2 5 Not Applicable
76 Status 0x5e89ec6165e545b77122227e1dffa23a More File Information 3/28/2017 Signed 7 27 109 Not Applicable
77 Status 0x84ccd7bfbc7f9b4dda2623b1020141dc More File Information 3/28/2017 Unsigned 43 67 218 Not Applicable
78 Status 0xb0a43ec743402edba9527365291708a3 More File Information 3/28/2017 Unsigned 85 1540 13579 Not Applicable
79 Status 0x891dd23e435d8d95d5a966b767f45a35 More File Information 3/28/2017 Signed 9 72 322 Not Applicable
80 Status 0x94f1b09bf0e20ff812df9183d8162743 More File Information 3/28/2017 Signed 2 10 23 Not Applicable
81 Status 0xce08490157d7c871a4f1e9d8057ec2a1 More File Information 3/28/2017 Unsigned 115 26043 38474 Not Applicable
82 Status 0xef6122ab06b2b38cf1fb0efd9a173ae3 More File Information 3/28/2017 Unsigned 15 62 309 Not Applicable
83 Status 0xb4eab9c15967ebd6e4569734892176d4 More File Information 3/28/2017 Signed 25 166 405 Not Applicable
84 Status 0x23d5ad57221486ce8b13d4d84e26cab2 More File Information 3/28/2017 Unsigned 1 7 28 Not Applicable
85 Status 0x6c44ddbda88013fb4367d61ec6498b80 More File Information 3/28/2017 Signed 9 51 204 Not Applicable
86 Status 0x6544054d27a9531c6600e6d594b9dd79 More File Information 3/28/2017 Signed 3 17 63 Not Applicable
87 Status 0xaae63132aee6a66a8da6dadb7ec6c28f More File Information 3/28/2017 Signed 3 15 45 Not Applicable
88 Status 0x1d30b15a3296ad6c2db4eb7f3dd5dd4d More File Information 3/28/2017 Signed 12 110 316 Not Applicable
89 Status 0x7b0a0be4b067c9cc4898cffc30bad425 More File Information 3/28/2017 Signed 28 164 533 Not Applicable
90 Status 0x4766a523bd8265f3082662a49c382680 More File Information 3/28/2017 Signed 24 236 763 Not Applicable
91 Status 0xdee3131d604da3d424b9a8987c15fa32 More File Information 3/27/2017 Signed 0 7 21 Not Applicable
92 Status 0x2c1c2a1aab6b364ad4c10d71bff91b28 More File Information 3/27/2017 Signed 0 2 10 Not Applicable
93 Status 0x3ba41800763e333c4e49ede8f2f11f4d More File Information 3/27/2017 Signed 0 6 30 Not Applicable
94 Status 0xad8f7aff80968e3e42e73e2450c3c651 More File Information 3/27/2017 Signed 0 101 493 Not Applicable
95 Status 0xffc1e9734b889361cbd929b5e183b868 More File Information 3/26/2017 Signed 0 3 9 Not Applicable
96 Status 0xf3e9065eb617a7e3a832a7976bfa021b More File Information 3/26/2017 Signed 0 4 23 Not Applicable
97 Status 0x9c28941e2ecc65a9e20825f3659f1036 More File Information 3/26/2017 Signed 0 11 154 Not Applicable
98 Status 0x82979850a3e9b7581e28852139eb9d01 More File Information 3/25/2017 Unsigned 0 5 15 Not Applicable
99 Status 0x30980c6ffd1a8a25507ac5dba502ffd4 More File Information 3/25/2017 Signed 0 10 37 Not Applicable
100 Status 0xe7c4b1d46f50aa42242078e9fcf63a2c More File Information 3/25/2017 Signed 0 7 20 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.