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Welcome to the PC Matic Process Library. We maintain an extensive list of common processes running on today’s PCs. Within this library you can learn more about the processes running on your machine.

Process Library Detail

What is userinit.exe? userinit.exe?

Vendor:      Microsoft
Product:     Microsoft
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.

Purpose: userinit.exe - This is a key process to the Windows operating system. It manages the different start up sequences on boot-up. It establishes network connections and the Windows shell. Userinit.exe is important to the stable and secure operation of your computer and should not be terminated. The correct filepath is C:\Windows\System32\Userinit.exe,. Note the comma at the end of the file path is required. Please note that userinit.exe is also listed as a trojan. This threat can go under as many as 10 different file names. It has been classified as Haxdoor.Fam, Win32.Bagle.M@mm, and Worm.Win32.Feebs.df

userinit.exe is an essential part of Windows and required for Windows to work properly. It should never be disabled.


userinit.exe is known to be a bad process. Learn more about protecting your PC from these bad processes with PC Matic.
userinit.exe could be a harmful process. Learn more about protecging your PC from these potential harmful processes with PC Matic.
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.
userinit.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.

Percentage of recently scanned PC's with this process running: 0.00%
Average CPU use for this program: 0%
Average RAM for this program: 4 MB


Program Name MD5 Count
userinit.exe

MD5 Hashes

# Status MD5 Revision Name Size
1 Status 0xa93aee1928a9d7ce3e16d24ec7380f89 10/26/2014 2:20:00 PM Unknown Unknown userinit.exe 25 KB
2 Status 0x033cd30431b1ca36ca4c60d0d3fdc1ad 11/8/2011 7:32:00 PM Unknown Unknown userinit.exe 169 KB
3 Status 0xca23a0e005090603cd307b6f7a5018b9 9/27/2011 8:28:00 AM Unknown Unknown userinit.exe 25 KB
4 Status 0x39b1ffb03c2296323832acbae50d2aff 4/22/2011 1:47:00 AM Unknown 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) userinit.exe 24 KB
5 Status 0xbf179c5b8a722cc79aef1ca90d6c7d48 1/29/2011 10:35:00 PM Unknown Unknown userinit.exe 17 KB
6 Status 0xe58e19728c06a8e4efb4ce52d82741b1 5/24/2010 2:54:00 AM Unknown Unknown userinit.exe 23 KB
7 Status 0xce0c44045c3f14dd7ce569574e72e1d7 5/20/2010 11:12:00 PM Unknown Unknown userinit.exe 25 KB
8 Status 0xccbf7e850d72b2de4f5a1d64d2627686 5/12/2010 7:55:00 PM Unknown Unknown userinit.exe 25 KB
9 Status 0x397696b369fc407719fcc782705d72de 3/29/2010 8:15:00 AM Unknown Unknown userinit.exe 44 KB
10 Status 0x50771ca86ff1adaf5fd1920f8cb5665e 2/13/2010 4:08:00 AM Unknown Unknown userinit.exe 25 KB
11 Status 0x788f95312e26389d596c0fa55834e106 2/7/2010 5:20:00 AM Unknown Unknown userinit.exe 26 KB
12 Status 0xd1e53dc57143f2584b1dd53b036c0633 1/29/2010 1:38:00 AM Unknown Unknown userinit.exe 24 KB
13 Status 0x0e135526e9785d085bcd9aede6fbcbf9 1/25/2010 8:41:00 PM Unknown Unknown userinit.exe 24 KB
14 Status 0x6de80f60d7de9ce6b8c2ddfdf79ef175 11/13/2009 8:47:00 AM Unknown Unknown userinit.exe 25 KB
15 Status 0x256fa7bc53c6dcb7bd0a2cb0c0f7f951 11/1/2009 5:14:00 PM Unknown Unknown userinit.exe 65 KB
16 Status 0x31fad34d72b9dff68ac8d5d16ce7479d 10/14/2009 6:26:00 PM Unknown Unknown userinit.exe 29 KB
17 Status 0xc3681c5638b5c1d1e5c9c846c44ab20b 6/30/2009 7:07:00 PM Unknown Unknown userinit.exe 44 KB
18 Status 0xe74ddb12188c2ff57a78624dbf7332fc 6/25/2009 12:46:00 PM Unknown Unknown userinit.exe 26 KB
19 Status 0xbd768099b4c44aa631728cb74eb54396 5/10/2009 8:09:00 PM Unknown Unknown userinit.exe 24 KB
20 Status 0xe0aa7ed574d80a44710bd0531e9265e6 5/9/2009 10:52:00 PM Unknown Unknown userinit.exe 24 KB
21 Status 0xfb3d6712eda478c0b54a444bb84d66f6 4/23/2009 5:56:00 PM Unknown Unknown userinit.exe 73 KB
22 Status 0x951f3ee90eb3576325fa1920e3da678c 4/21/2009 3:16:00 AM Unknown Unknown userinit.exe 73 KB
23 Status 0xe6803af854bd68b02d582c228b5cc4c0 4/20/2009 2:39:00 PM Unknown Unknown userinit.exe 68 KB
24 Status 0x5863553963378030c5223e76bca37da1 4/15/2009 3:15:00 AM Unknown Unknown userinit.exe 73 KB
25 Status 0xdedfd56d7e4221ea9e4c4c44fc27659a 4/13/2009 4:06:00 AM Unknown Unknown userinit.exe 73 KB


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