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File Details
 

Rundll32.exe

Windows Host Process

 
     
  Description  
     
 
icon  

Rundll32.exe is a program to run and open other DLL processes.  For example,to open the Windows About box, type: rundll32 Shell32, ShellAboutA on the command line. Some of the more common actions that rundll32 can be used for are shown in the table below.

Command Line Options Action
User32.dll, LockWorkStation Locks the computer
Shell32, OpenAs_RunDLL "Open With" menu
Shell32, ShellAboutA About box
Shell32, Control_RunDLL Control Panel
Shell32, Control_RunDLL desk.cpl Setting "Display"
shell32.dll, Access.cpl Accessibility Control_RunDLL,, 1  Accessibility (keyboard)
shell32.dll, Access.cpl Accessibility Control_RunDLL,, 2  Accessibility (Sound)
shell32.dll, Access.cpl Accessibility Control_RunDLL,, 3  Accessibility (advertisement)
shell32.dll, Access.cpl Accessibility Control_RunDLL,, 4  Accessibility (Mouse)
shell32.dll, Access.cpl Accessibility Control_RunDLL,, 5  Accessibility (General)
shell32.dll, Control_RunDLL appwiz.cpl,, 1 Add New Programs
shell32.dll, Control_RunDLL appwiz.cpl,, 2 Windows components wizard
shell32.dll, Control_RunDLL appwiz.cpl,, 0 Add/Remove programs
shell32.dll, Control_RunDLL desk.cpl,, 0 Display Properties (Background)
shell32.dll, Control_RunDLL desk.cpl,, 1 Display Properties (Screen saver)
shell32.dll, Control_RunDLL desk.cpl,, 2 Display Properties (Display)
shell32.dll, Control_RunDLL intl.cpl,, 0 Regional Settings (General)
shell32.dll, Control_RunDLL intl.cpl,, 1 Country setting (numbers)
shell32.dll, Control_RunDLL intl.cpl,, 2 Country setting (currency)
shell32.dll, Control_RunDLL intl.cpl,, 3 Country setting (time)
shell32.dll, Control_RunDLL intl.cpl,, 4 Country setting (date)
shell32.dll, Control_RunDLL intl.cpl,, 5 Country setting (input)
shell32.dll, Control_RunDLL joy.cpl,, 0 Game Controller (General)
shell32.dll, Control_RunDLL joy.cpl,, 1 Game Controller (Advanced)
shell32.dll, Control_RunDLL main.cpl, @ 0 Mouse properties (buttons)
shell32.dll, Control_RunDLL main.cpl, @ 1 Keyboard properties (speed)
shell32.dll, Control_RunDLL mmsys.cpl,, 0 Sounds and Multimedia properties (Sounds)
shell32.dll, Control_RunDLL mmsys.cpl, 1 Sounds and Multimedia properties (audio)
shell32.dll, Control_RunDLL mmsys.cpl,, 2 Sounds and Multimedia properties (hardware)
shell32.dll, Control_RunDLL modem.cpl Phone and Modem Options
shell32.dll, Control_RunDLL Netcpl.cpl Network Settings
shell32.dll, Control_RunDLL password.cpl Password Settings
shell32.dll, Control_RunDLL sysdm.cpl,, 0 System Properties (General)
shell32.dll, Control_RunDLL sysdm.cpl,, 1 System Properties (Network Identification)
shell32.dll, Control_RunDLL sysdm.cpl,, 2 System Properties (Hardware)
shell32.dll, Control_RunDLL sysdm.cpl,, 3 System characteristics (User profiles)
shell32.dll, Control_RunDLL sysdm.cpl,, 4 System Properties (Advanced)
shell32.dll, Control_RunDLL timedate.cpl,, 0 Date and Time properties
diskcopy.dll, DiskCopyRunDll Disk Copy
shell32.dll, SHHelpShortcuts_RunDLL AddPrinter Add Printer
shell32.dll, SHHelpShortcuts_RunDLL Folder Printer Printer View
shell32.dll, SHHelpShortcuts_RunDLL Fonts Folder Show Fonts


Rundll32.exe is a 32-bit executable for a graphics UI style application.
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File Analysis Report
 
     
   
  Key Facts from within File  
     
 
key facts   These are the direct values are extracted from the file. These are defined by the original developer. Some items may be unspecified, mistyped or out of date.
     
File description
  Run a DLL as an App
 
File Version
  5.1.2600.0 (xpclient.010817-1148)
 
Application
  Microsoft Windows Operating System
 
App version
  5.1.2600.0
 
Type
  32-bit
 
Publisher
  Microsoft Corporation
 
Copyright
  (c) Microsoft Corporation. All rights reserved.
   
  File System and OS Information  
     
 
File system  
  C:\Windows\System32

This directory holds the core operating system files and libraries.

     
Date Modified
  23-Aug-2001 5:00 am
 
Date Created
  23-Aug-2001 5:00 am
 
Size
  31 KB  (31,744 Bytes)
 
Captured from
  Core without updates
 
OS at capture
  Windows XP (RTM, SP1), Build 2600, 32-bit edition
 
 
   
  Security Validation  
     
 
security   The two security hashes for Rundll32.exe were created from the original file. The security hash is created by scanning all bytes within the file. Identical files should have the same hashes. SHA1 is considered the more secure than the older MD5 hash.
     
MD5
  0FB22DD37C17F80AD71316049F725170
 
SHA1
  809B41C6D1232246BCF3B1A24DA326188220C30C
     
  Requires  
     
 
required   The following files are required when running this program. These may call other files, and there can be additional required files not in this list.

           
  import Gdi32.dll   import Msvcrt.dll
  import Imagehlp.dll   import User32.dll
  import Kernel32.dll  
 
Click on filename for more details.
 
   
  Additional Analysis  
     
 
notes  
  • Rundll32.exe requires a C++ library, and was likely written in Micorsoft Visual C++. It was likely built using Visual Studio 2003.
  • Rundll32.exe is a PE style file.
  • This program does not appear to be internally referenced by any other file.
   
  Internal Resource Counts  
     
 
notes   Resources are read-only content stored within the file. It is mostly used to hold graphics, strings, menus and dialog templates, although other types are occasionally used. See our section on Resources Help for more details.

  Strings and Messages4   Icons (Single)8  
  Dialog Templates0   Icons (Grouped)1  
  Menus0   Icons (Animated)0  
  HTML Documents0   Cursors (Single)0  
  Accelerators0   Cursors (Grouped)0  
  Manifests0   Cursors (Animated)0  
  Fonts0   Bitmaps0  
 
   
  Text Inside File  
     
 
notes   View the text string resources. Some filtering was done to remove non-standard characters and to limit the length strings. Strings embedded in code are not shown.
  
1An error has occurred
2There is not enough memory to run the file %s. • • Please close other windows and try again.
3Another instance of the file %s is already running.
An exception occurred while trying to run "%s" •
4Error in %s • Missing entry:%s
Error loading %s • • %s

Zero terminated sub-strings are separated with " • ".
 
     
   
  Vendor Summary  
     
 
Vendor
  Microsoft Corporation

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Phone
1-425-882-8080
1-800-642-7676

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Assistance
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  Notes  
     
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