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Process Name

  

What is msmpeng.exe? Windows Defender

Vendor:      Microsoft Corporation
Product:     
Vendor Website:      http://onecare.live.com/standard/en-us/default.htm
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: MsMpEng.exe is part of Microsoft's malware protection. Microsoft has used several names for their product including Windows Live OneCare, Windows Defender and latest being Microsoft Security Essentials.

msmpeng.exe is required by third-party software or hardware and should not disabled.


msmpeng.exe is known to be a bad process. Start this Free scan to check your other threats to your PCs security, like this file.
msmpeng.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.
msmpeng.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: 5.61%
Average CPU use for this program: 5%
Average RAM for this program: 51 MB

Program Name MD5 Count
msmpeng.exe

MD5 Hashes Expand md5 List Collapse md5 List
# Status MD5 File Info Last Seen Signed Day Week Month Threat info
1 Status 0xcedc4e5155d9d48f2922c21ec02419b7 More File Information 8/24/2018 Signed 0 0 0 Not Applicable
2 Status 0xcc09bb7fdefc5763ccb3cf7dae2d76cf More File Information 8/15/2018 Signed 0 0 42 Not Applicable
3 Status 0xf26f7a5b18c717e57e3b6b306abec00b More File Information 8/15/2018 Signed 0 0 19 Not Applicable
4 Status 0x7675e15d1b2180745e4da4d26aad7385 More File Information 8/15/2018 Signed 0 0 26 Not Applicable
5 Status 0x157e9e498206a3366baa7e4697bdd947 More File Information 8/15/2018 Signed 0 0 199 Not Applicable
6 Status 0xe07dec52ff801841ba9b6878a60304fb More File Information 8/15/2018 Signed 0 0 2 Not Applicable
7 Status 0x90dc23d940551db35367fb1e40575b25 More File Information 8/15/2018 Signed 0 0 21 Not Applicable
8 Status 0xcfce43b70ca0cc4dcc8adb62b792b173 More File Information 8/15/2018 Signed 0 0 94 Not Applicable
9 Status 0xf0d5494d8b177c37e16966262f5d0f68 More File Information 8/15/2018 Signed 0 0 21 Not Applicable
10 Status 0x5aded2c1239d7bd798e2c4ef9eaa1fa3 More File Information 8/15/2018 Signed 0 0 1607 Not Applicable
11 Status 0xb4c5cd5abc0673e6531a973dcf2ffefa More File Information 8/15/2018 Signed 0 0 1455 Not Applicable
12 Status 0x1ee3643d1aa747222427f63353611ad7 More File Information 8/14/2018 Signed 0 0 10 Not Applicable
13 Status 0xf61c6001e4933474d66575f3e31cf50d More File Information 8/14/2018 Signed 0 0 85 Not Applicable
14 Status 0x473b9548568ba927ace0b77ec208a561 More File Information 8/11/2018 Signed 0 0 6 Not Applicable
15 Status 0x52d60e642263719b37f1e4a785e676eb More File Information 8/10/2018 Signed 0 0 1 Not Applicable
16 Status 0xa38bc350915f27a9c7142fa9438f1d6e More File Information 8/10/2018 Signed 0 0 1 Not Applicable
17 Status 0xe63f12ef98fcfe383593895ef917b9dd More File Information 8/10/2018 Signed 0 0 2 Not Applicable
18 Status 0xf6e2d63673ed6c04ab21cec88517b0f5 More File Information 8/9/2018 Signed 0 0 9 Not Applicable
19 Status 0xf45dd1e1365d857dd08bc23563370d0e More File Information 8/8/2018 Signed 0 0 15 Not Applicable
20 Status 0xf46ba4e7f4a34295b20917cd77f6cec9 More File Information 8/8/2018 Signed 0 0 1 Not Applicable
21 Status 0x4636aebd28d9968c570dc927f5831e09 More File Information 8/7/2018 Signed 0 0 9 Not Applicable
22 Status 0x957d2f08f2cfaeed8b9830581efc705e More File Information 8/6/2018 Signed 0 0 6 Not Applicable
23 Status 0xc66fe30bba4604a06ee9e4180abe4bd9 More File Information 8/6/2018 Signed 0 0 14 Not Applicable
24 Status 0xdd752ecfdec95581a00d62a8b00591ec More File Information 8/6/2018 Signed 0 0 18 Not Applicable
25 Status 0xb9ad53d60da72c194f0aa2c89136fa35 More File Information 8/5/2018 Signed 0 0 6 Not Applicable
26 Status 0xc482599717e3bd0ea778eb2b12e24de5 More File Information 8/3/2018 Signed 0 0 2 Not Applicable
27 Status 0x0004afe83a9f85165f128773592cf76b More File Information 8/1/2018 Signed 0 0 2 Not Applicable
28 Status 0x7328e0a5c2b0adfde96a4590c2ed35ef More File Information 7/30/2018 Signed 0 0 1 Not Applicable
29 Status 0x5542a0007c55c2470e15efebe8fb9843 More File Information 7/30/2018 Signed 0 0 2 Not Applicable
30 Status 0xa4b109d057e15a438ce74e5b71187417 More File Information 7/29/2018 Signed 0 0 1 Not Applicable
31 Status 0xdd005c7745be7f0cdb8b17e9ca1fb796 More File Information 7/27/2018 Signed 0 0 0 Not Applicable
32 Status 0xdc8b329d6b4026d2d6e957bc79336022 More File Information 7/26/2018 Signed 0 0 0 Not Applicable
33 Status 0x46681dedf89749053a1fd2694508db76 More File Information 7/25/2018 Signed 0 0 0 Not Applicable
34 Status 0x22123a291a7629d1ea7060eb9d50174e More File Information 7/25/2018 Signed 0 0 0 Not Applicable
35 Status 0x7c8ef404852d1c675ce2a77d9852fa97 More File Information 7/19/2018 Signed 0 0 0 Not Applicable
36 Status 0xb0f49da36f30922f5ddc3b623b778fce More File Information 7/16/2018 Signed 0 0 0 Not Applicable
37 Status 0x1c68e2c011a0dd1bc9436358dfe81594 More File Information 7/11/2018 Signed 0 0 0 Not Applicable
38 Status 0xfbe736af381983a1d4adbbf1facf6976 More File Information 7/9/2018 Signed 0 0 0 Not Applicable
39 Status 0xce996c1821021adf8e28e80a54e846a8 More File Information 7/6/2018 Signed 0 0 0 Not Applicable
40 Status 0x68afc5567b66c61a3e48cf5e7d126909 More File Information 7/3/2018 Signed 0 0 0 Not Applicable
41 Status 0x0bb1cee3514ce93a0a4e6376a9038eff More File Information 7/3/2018 Signed 0 0 0 Not Applicable
42 Status 0x51f9e8d45640f778f9d62b9dcd75059a More File Information 7/3/2018 Signed 0 0 0 Not Applicable
43 Status 0x4d8668b32e5319a5e8852b1564184801 More File Information 6/28/2018 Signed 0 0 0 Not Applicable
44 Status 0x89f2aedc2788696702141ab82c3e7866 More File Information 6/26/2018 Signed 0 0 0 Not Applicable
45 Status 0xcc8e4f72f21340a4d3a3d4db50313ef5 More File Information 6/23/2018 Signed 0 0 0 Not Applicable
46 Status 0xfd909d744acfcf61cac3a77854f8b301 More File Information 6/4/2018 Signed 0 0 0 Not Applicable
47 Status 0x3ea6a1a744d79328ae7e2c6fae4c4420 More File Information 6/1/2018 Signed 0 0 0 Not Applicable
48 Status 0x66238063b53e51adda16764bab9a3f7c More File Information 5/26/2018 Signed 0 0 0 Not Applicable
49 Status 0xc1f19d2bacbee9ab64d9ae69e9859ac0 More File Information 5/13/2018 Signed 0 0 0 Not Applicable
50 Status 0x0102b6c269c124be8366e1217e5774ef More File Information 5/9/2018 Signed 0 0 0 Not Applicable
51 Status 0x2ad55cc8f96194854cf0cc89d4a41175 More File Information 5/9/2018 Signed 0 0 0 Not Applicable
52 Status 0x8532792113bdc019923a2b04de62be67 More File Information 5/8/2018 Signed 0 0 0 Not Applicable
53 Status 0x3e1fb505fb8e96e72cd306f18220e6a7 More File Information 5/7/2018 Signed 0 0 0 Not Applicable
54 Status 0x36a695e1683671009c2fea38b5eb4cd4 More File Information 4/21/2018 Signed 0 0 0 Not Applicable
55 Status 0xb4bc63285bc14932af50586f33915d86 More File Information 4/20/2018 Signed 0 0 0 Not Applicable
56 Status 0x341f2ab47eabf94d95c0ced31318fab2 More File Information 4/15/2018 Signed 0 0 0 Not Applicable
57 Status 0x64e69a217d861776ca848b453fb96d71 More File Information 3/29/2018 Signed 0 0 0 Not Applicable
58 Status 0xf15d59f37dbc56b967fa6134d9c0ae75 More File Information 3/19/2018 Signed 0 0 0 Not Applicable
59 Status 0x8cbb488448b3c931d87b5e1aa3f828f2 More File Information 3/1/2018 Signed 0 0 0 Not Applicable
60 Status 0xe5f051ad271423119200e5269d8c1c3c More File Information 2/28/2018 Signed 0 0 0 Not Applicable
61 Status 0x37f77aebff23a99d1bfb4f34cd2d07f2 More File Information 2/27/2018 Signed 0 0 0 Not Applicable
62 Status 0x578c809bf745608646ea338a9ac48158 More File Information 2/27/2018 Signed 0 0 0 Not Applicable
63 Status 0x7f68520764dc7f831307b511db7ef381 More File Information 2/5/2018 Signed 0 0 0 Not Applicable
64 Status 0xd7bac1bcc301f6d3a9c8f14f65837d87 More File Information 2/3/2018 Signed 0 0 0 Not Applicable
65 Status 0x5d31780eabba5fb994ae217ff79ac01c More File Information 1/24/2018 Signed 0 0 0 Not Applicable
66 Status 0x0a7f86657755ada92c57e597bf5151f7 More File Information 1/9/2018 Signed 0 0 0 Not Applicable
67 Status 0xf873ec67370f8b1df82b595b28826998 More File Information 1/9/2018 Signed 0 0 0 Not Applicable
68 Status 0xc5a8ce5ec5bec57370e86b209b493022 More File Information 10/28/2017 Signed 0 0 0 Not Applicable
69 Status 0xed70edcc4107f3727973c312e0049bd5 More File Information 10/3/2017 Signed 0 0 0 Not Applicable
70 Status 0x12f9c5dbbb29a65ec7b00176a0ad6f4c More File Information 9/22/2017 Signed 0 0 0 Not Applicable
71 Status 0xdda18c8d8799002e5ade55ac378a878d More File Information 9/21/2017 Signed 0 0 0 Not Applicable
72 Status 0x6d3b0723868ccc44b0049ff1d5ec00f4 More File Information 9/15/2017 Signed 0 0 0 Not Applicable
73 Status 0x24516bf4e12a46cb67302e2cdcb8cddf More File Information 9/9/2017 Signed 0 0 0 Not Applicable
74 Status 0x9029cd807744730539f65d7a5dd39318 More File Information 9/8/2017 Signed 0 0 0 Not Applicable
75 Status 0x039f53336cbc3350c07020857e179878 More File Information 8/10/2017 Signed 0 0 0 Not Applicable
76 Status 0x76017e5243fcb97f64a61b8c319c4b2a More File Information 8/5/2017 Signed 0 0 0 Not Applicable
77 Status 0x4d9eb695b13e726398301168c96adc15 More File Information 8/2/2017 Signed 0 0 0 Not Applicable
78 Status 0x59faaf2c83c8169ea20f9e335e418907 More File Information 7/28/2017 Signed 0 0 0 Not Applicable
79 Status 0xa7bf12eae70f1bf829e5895fc4f49aa5 More File Information 7/17/2017 Signed 0 0 0 Not Applicable
80 Status 0x84bc6913da6938b5027b97193d8c2de5 More File Information 7/4/2017 Signed 0 0 0 Not Applicable
81 Status 0x4c5f50a9b3ca9b37692a047d0919983a More File Information 6/27/2017 Signed 0 0 0 Not Applicable
82 Status 0xe077fca2a7e79fb9bf67d3e30b5ce593 More File Information 6/23/2017 Signed 0 0 0 Not Applicable
83 Status 0x239b7e550a7d60f830eb0f1aa3796637 More File Information 6/21/2017 Signed 0 0 0 Not Applicable
84 Status 0xff29f4c0adcc2b177c3cc6e4497d2259 More File Information 5/31/2017 Signed 0 0 0 Not Applicable
85 Status 0x115087560348a8dfe67d28cdb1129acf More File Information 5/15/2017 Signed 0 0 0 Not Applicable
86 Status 0x225013f338b4443b434efb4a35f28c0d More File Information 4/30/2017 Signed 0 0 0 Not Applicable
87 Status 0xfd136e629cae6813beec7028547e71c4 More File Information 4/21/2017 Signed 0 0 0 Not Applicable
88 Status 0x7d1f24d54137d7486005a5fb4a6f9f9a More File Information 3/12/2017 Signed 0 0 0 Not Applicable
89 Status 0x843c0aa8482aef7f80b12e46da6385b9 More File Information 2/27/2017 Signed 0 0 0 Not Applicable
90 Status 0x6ece41587e1e6bda92d0de4393ef71ee More File Information 2/23/2017 Signed 0 0 0 Not Applicable
91 Status 0x8cab6b589f6610bf0e20780e153248c1 More File Information 1/25/2017 Signed 0 0 0 Not Applicable
92 Status 0x95c57793dab8b44a1efc1b8298a2427e More File Information 1/24/2017 Signed 0 0 0 Not Applicable
93 Status 0x78eb9afa9fc17683c2412dc7301e6390 More File Information 1/16/2017 Signed 0 0 0 Not Applicable
94 Status 0x9dd4a4563785d10624db2b5226c767c7 More File Information 12/15/2016 Signed 0 0 0 Not Applicable
95 Status 0x4b6583f0674010dcb2fff367a5a7a421 More File Information 11/30/2016 Signed 0 0 0 Not Applicable
96 Status 0xa58cfe1b97a48965a92d37e318d25871 More File Information 10/31/2016 Signed 0 0 0 Not Applicable
97 Status 0x5756a97babc2ff3f2bf08236e3ee2d11 More File Information 10/13/2016 Signed 0 0 0 Not Applicable
98 Status 0x31134e5cc305ba948e6fb767a2a57c8a More File Information 9/29/2016 Signed 0 0 0 Not Applicable
99 Status 0xa9de30d8107f262ec51cf9cab6b1d0c5 More File Information 9/23/2016 Signed 0 0 0 Not Applicable
100 Status 0x90b85ffbdeead1be861d59134ea985b0 More File Information 9/18/2016 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 0x8cab6b589f6610bf0e20780e153248c1 7/12/2015 6:35:00 PM Unknown Unknown Windows Defender 16 KB
2 Status 0xdda18c8d8799002e5ade55ac378a878d 6/26/2015 2:31:00 PM Unknown Unknown Windows Defender 21 KB
3 Status 0x37f77aebff23a99d1bfb4f34cd2d07f2 5/17/2015 4:17:00 PM Unknown Unknown Windows Defender 21 KB
4 Status 0x0a7f86657755ada92c57e597bf5151f7 2/8/2015 5:14:00 PM Unknown Unknown Windows Defender 21 KB
5 Status 0x581061776e1b7c4c7771e97ae5eaf377 11/29/2014 8:58:00 PM Unknown 1.1.1592.0 Windows Defender 13 KB
6 Status 0x3ea6a1a744d79328ae7e2c6fae4c4420 10/29/2014 12:21:00 PM Unknown Unknown Windows Defender 21 KB
7 Status 0xb910dc7d38f3834119f9c35a56418b3d 3/20/2014 5:22:00 PM Unknown Unknown Windows Defender 14 KB
8 Status 0xe5b069655f93515d9b9fa97726398d2d 1/3/2014 12:32:00 PM Unknown Unknown Windows Defender 14 KB
9 Status 0xc7fd413ceb3b37e1d21e4ff7a4d31162 10/12/2013 1:01:00 AM Unknown Unknown Windows Defender 21 KB
10 Status 0x5595edbda4fd99c82119046c0bdc3be2 7/5/2013 11:25:00 AM Unknown Unknown Windows Defender 13 KB
11 Status 0x13bcc40560fd2938a461b905a6d65f69 6/16/2013 8:37:00 AM Unknown Unknown Windows Defender 21 KB
12 Status 0x0d256342b3d154723676510f416a316d 6/6/2013 6:28:00 PM Unknown Unknown Windows Defender 21 KB
13 Status 0xf50137b8f060790e245c5f600c5844a8 5/26/2013 8:08:00 PM Unknown Unknown Windows Defender 20 KB
14 Status 0xad360a236fb951db405ea699fdc9f521 1/20/2013 6:57:00 PM Unknown Unknown Windows Defender 20 KB
15 Status 0xe238ab774cc0e4261295e23698b81a9c 11/29/2012 8:25:00 PM Unknown Unknown Windows Defender 19 KB
16 Status 0x36a695e1683671009c2fea38b5eb4cd4 10/31/2012 6:24:00 AM Unknown Unknown Windows Defender 13 KB
17 Status 0xaada4de00d483653a0a9c149d60096a0 9/26/2012 3:45:00 AM Unknown Unknown Windows Defender 13 KB
18 Status 0xf4bfeb45546c6082920bf133b6799194 8/30/2012 9:05:00 AM Unknown Unknown Windows Defender 19 KB
19 Status 0xdc60685b2d193e21ca34b00f684e77e8 7/7/2012 8:40:00 PM Unknown Unknown Windows Defender 19 KB
20 Status 0xe4b91e3e5ce22641ba63fc1d5e94ac90 6/11/2012 4:54:00 PM Unknown Unknown Windows Defender 11 KB
21 Status 0x1a660fbeb4383a2bb18b27ad8d719084 6/9/2012 9:27:00 AM Unknown Unknown Windows Defender 11 KB
22 Status 0xb15eceaf5b36c6f9c1b3930a6c3db1de 3/9/2012 9:01:00 AM Unknown Unknown Windows Defender 11 KB
23 Status 0x2bfd3e9dbb922acc6ee7811f89d99c4a 2/21/2012 3:58:00 PM Unknown Unknown Windows Defender 13 KB
24 Status 0x724ae55ec1e78cf617e201d53c125228 2/7/2012 8:13:00 AM Unknown Unknown Windows Defender 11 KB
25 Status 0xbc82daddc6c67bf1da98e84dad577f74 2/5/2012 6:51:00 PM Unknown Unknown Windows Defender 11 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.