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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.

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Process Library Detail

What is rundll32.exe? (Various)?

Vendor:      Microsoft Corporation
Product:     Microsoft
Vendor Website:      http://support.microsoft.com/kb/q164787/
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.

PC Matic Analysis

Purpose: RUNDLL32.EXE is a program that can be used to call program code inside 32-bit DLLs. Because it can be used to run code in any DLL, we don't know exactly what your particular RUNDLL32 is doing. It's worth investigating further to determine what this program is doing. For more information on RUNDLL32, see Microsoft document http://support.microsoft.com/kb/q164787/

rundll32.exe is an essential part of Windows and required for Windows to work properly. It should never be disabled.


rundll32.exe is known to be a bad process. Learn more about protecting your PC from these bad processes with PC Matic.
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rundll32.exe could be a harmful process. Learn more about protecging your PC from these potential harmful processes with PC Matic.
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rundll32.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.
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rundll32.exe Technical Information

Percentage of recently scanned PC's with this process running: 9.71%
Average CPU use for this program: 0%
Average RAM for this program: 5 MB

MD5 Hash Analysis

Program Name MD5 Count
rundll32.exe

MD5 Hashes

# Status MD5 Revision Name Size
1 Status 0x037b1e7798960e0420003d05bb577ee6 1/4/2023 10:29:00 PM Unknown Unknown (Various) 32 KB
2 Status 0x4b555106290bd117334e9a08761c035a 6/25/2021 7:33:00 PM Unknown 6.0.6000.16386 (vista_rtm.061101-2205) RUNDLL 43 KB
3 Status 0xda285490bbd8a1d0ce6623577d5ba1ff 11/27/2020 5:04:00 PM Unknown 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) RUNDLL 32 KB
4 Status 0x224f6b374852153c8c24bed141ae3a20 7/28/2018 10:47:00 AM Unknown Unknown (Various) 0 KB
5 Status 0x442118a7565f7391cd88a17a88f7fdc5 4/28/2018 3:45:00 PM Unknown Unknown (Various) 32 KB
6 Status 0x4b1e1bb5cda1ad53e913f9321bd9a149 11/4/2017 6:25:00 AM Unknown Unknown (Various) 43 KB
7 Status 0xf6b34cd47caf6d68106b9f8055f35c50 6/19/2017 5:43:00 AM Unknown Unknown (Various) 33 KB
8 Status 0x6bc7b9fec61e013f81fbcc20802f50bf 12/30/2016 1:58:00 AM Unknown Unknown (Various) 32 KB
9 Status 0x081002d8f4176a10bca3a2f93c4d31c2 11/20/2016 9:42:00 AM Unknown 5.1.2600.3311 (xpsp.080212-0004) RUNDLL 32 KB
10 Status 0x33fc9ab5d74633f257b879b401f70bbe 11/7/2016 2:49:00 PM Unknown Unknown (Various) 32 KB
11 Status 0x75139c5e6b968e39a5a35e7003fa7049 9/17/2016 11:56:00 PM Unknown 5.2.3790.1830 (srv03_sp1_rtm.050324-1447) RUNDLL 34 KB
12 Status 0xe715412e47d20eb0ebf77b65f9157343 8/2/2016 6:58:00 AM Unknown Unknown (Various) 32 KB
13 Status 0x95a1501cecd0d7ee676f731b73c7550d 4/10/2016 1:59:00 AM Unknown Unknown (Various) 34 KB
14 Status 0x93ad0b78c7357a05f50e594ec7c22300 3/17/2016 11:15:00 PM Unknown Unknown (Various) 33 KB
15 Status 0x1ed5274825cd1eebbe102b9ff7c9ec31 3/5/2016 2:01:00 AM Unknown 5.00.2134.1 RUNDLL 9 KB
16 Status 0xd51a4b912a90554b580a2401dfab02a5 2/15/2016 9:32:00 AM Unknown Unknown (Various) 32 KB
17 Status 0xb17657d5fad3c1ec4a594fb2aab67658 11/4/2015 8:37:00 PM Unknown 5.2.3790.3959 (srv03_sp2_rtm.070216-1710) RUNDLL 34 KB
18 Status 0xcf5ddcdf7c7d3baa5e8273886c4eda88 9/23/2015 5:21:00 PM Unknown Unknown (Various) 43 KB
19 Status 0x85cbc6b8799f3c215e492c85f50c4ebc 8/15/2015 3:13:00 PM Unknown Unknown (Various) 33 KB
20 Status 0xe12130d733b4bf7c96c2b62847481ee3 7/27/2015 10:32:00 PM Unknown Unknown (Various) 32 KB
21 Status 0x0fb22dd37c17f80ad71316049f725170 5/28/2015 11:16:00 PM Unknown 5.1.2600.0 (xpclient.010817-1148) RUNDLL 31 KB
22 Status 0x85254bf529de50a85d117cbda4e703d8 5/5/2015 4:55:00 PM Unknown Unknown (Various) 0 KB
23 Status 0x3b5d369692d16dee39b946d00643de51 4/15/2015 12:47:00 PM Unknown Unknown (Various) 32 KB
24 Status 0xd965cdbc86c674b157c9afa48a45cf34 3/30/2015 9:26:00 PM Unknown Unknown (Various) 46 KB
25 Status 0x329d5a032f7b83e0e6de4e91e9245d34 3/20/2015 5:21:00 PM Unknown Unknown (Various) 0 KB


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