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Process Name


What is rundll32.exe? (Various)

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

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.

rundll32.exe is known to be a bad process. Start this Free scan to check your other threats to your PCs security, like this file.
rundll32.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.
rundll32.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: 9.71%
Average CPU use for this program: 0%
Average RAM for this program: 5 MB

Program Name MD5 Count

MD5 Hashes
# Status MD5 Last Seen File Date Revision Common Name Size
1 Status 0x51138beea3e2c21ec44d0932c71762a8 11/23/2014 4:46:00 AM Unknown Unknown (Various) 43 KB
2 Status 0xda285490bbd8a1d0ce6623577d5ba1ff 11/23/2014 3:20:00 AM Unknown 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) RUNDLL 32 KB
3 Status 0x037b1e7798960e0420003d05bb577ee6 11/23/2014 12:47:00 AM Unknown Unknown (Various) 32 KB
4 Status 0x4b555106290bd117334e9a08761c035a 11/22/2014 10:46:00 PM Unknown 6.0.6000.16386 (vista_rtm.061101-2205) RUNDLL 43 KB
5 Status 0xd965cdbc86c674b157c9afa48a45cf34 11/19/2014 10:15:00 AM Unknown Unknown (Various) 46 KB
6 Status 0xf6b34cd47caf6d68106b9f8055f35c50 11/16/2014 4:43:00 PM Unknown Unknown (Various) 33 KB
7 Status 0x75139c5e6b968e39a5a35e7003fa7049 11/16/2014 2:25:00 AM Unknown 5.2.3790.1830 (srv03_sp1_rtm.050324-1447) RUNDLL 34 KB
8 Status 0xe12130d733b4bf7c96c2b62847481ee3 11/12/2014 9:11:00 PM Unknown Unknown (Various) 32 KB
9 Status 0x93ad0b78c7357a05f50e594ec7c22300 11/10/2014 3:10:00 AM Unknown Unknown (Various) 33 KB
10 Status 0x85cbc6b8799f3c215e492c85f50c4ebc 11/6/2014 5:27:00 PM Unknown Unknown (Various) 33 KB
11 Status 0x72c09505c858cf38f3a7aa54ae87c65d 11/3/2014 2:17:00 PM Unknown 5.1.2600.3300 (xpsp.080125-2028) RUNDLL 32 KB
12 Status 0xc8f40d3cafefad317d19a89b15a8e124 10/19/2014 1:38:00 AM Unknown Unknown (Various) 34 KB
13 Status 0x6bc7b9fec61e013f81fbcc20802f50bf 10/17/2014 7:52:00 PM Unknown Unknown (Various) 32 KB
14 Status 0x3b5d369692d16dee39b946d00643de51 10/17/2014 1:55:00 PM Unknown Unknown (Various) 32 KB
15 Status 0xe0668814b1b8528defe74a3a09a1ed51 10/13/2014 2:05:00 PM Unknown Unknown (Various) 32 KB
16 Status 0x3735fdf6a39071851e08f70b0b2aa156 9/25/2014 5:09:00 AM Unknown Unknown (Various) 32 KB
17 Status 0xc6deb2ee4c46c4dc725d65836244f3f9 9/21/2014 3:14:00 PM Unknown Unknown (Various) 32 KB
18 Status 0xe715412e47d20eb0ebf77b65f9157343 9/10/2014 5:17:00 PM Unknown Unknown (Various) 32 KB
19 Status 0x1b3d8375d1e96ca29e3b867b69168bae 9/1/2014 5:02:00 AM Unknown Unknown (Various) 32 KB
20 Status 0x5763e6224286473b771b234476c6538c 8/30/2014 4:56:00 AM Unknown 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) RUNDLL 32 KB
21 Status 0xd51a4b912a90554b580a2401dfab02a5 8/22/2014 12:12:00 PM Unknown Unknown (Various) 32 KB
22 Status 0x33fc9ab5d74633f257b879b401f70bbe 8/12/2014 6:56:00 AM Unknown Unknown (Various) 32 KB
23 Status 0x442118a7565f7391cd88a17a88f7fdc5 7/28/2014 10:05:00 PM Unknown Unknown (Various) 32 KB
24 Status 0x0fb22dd37c17f80ad71316049f725170 7/26/2014 11:06:00 PM Unknown 5.1.2600.0 (xpclient.010817-1148) RUNDLL 31 KB
25 Status 0x0a8ceff769cf5c259640934afafdf314 1/16/2014 9:43:00 PM Unknown Unknown (Various) 104 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.