What is the "rundll32.exe" ?

Our database contains 2924 different files for filename rundll32.exe . You can also check most distributed file variants with name rundll32.exe. This files most often belongs to product Microsoft® Windows® Operating System. and were most often developed by company Microsoft Corporation. This files most often have description Windows host process (Rundll32). Agregate rating is 5(5) stars - based on 48 reviews.This is executable file. You can find it running in Task Manager as the process rundll32.exe.

rundll32.exe is in most cases system process which hosts 3rd party libraries. This program can be used for load and start of any DLL file. You must check DLL files running in address space of rundll32.exe process to determine safety of the process. Don't know how to check file manually? You can use our freeware tool System Explorer.

rundll32.exe Process

File details of most used file with name "rundll32.exe"

Product:
Microsoft® Windows® Operating System
Company:
Microsoft Corporation
Description:
Windows host process (Rundll32)
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
MD5:
51138beea3e2c21ec44d0932c71762a8
SHA1:
8939cf35447b22dd2c6e6f443446acc1bf986d58
SHA256:
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
Size:
44544
Directory:
C:\Windows\System32
Operating System:
Windows 7
Occurence:
High oc2

Is the Process "rundll32.exe" Safe or Threat ?

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96% of reviewed files are marked as Safe .
4% of reviewed files are marked as Threat .
17% of reviewed files are marked as System file.
Latest new variant of the file with name "rundll32.exe" was discovered 3419 days ago. Our database contains 182 variants of the file "rundll32.exe" with final rating Safe and 26 variants with final rating Threat . Final ratings are based on file reviews, discovered date, users occurence and antivirus scan results.
Process with filename "rundll32.exe" can be Safe or Threat. You must define more file attributes to determine right rating. Our freeware awards winning tool provides easiest way to check your files via our database. Tool contains many useful functions for keep your system under control and uses minimum system resources.
Click Here to Download System Explorer for Free.
Filename "rundll32.exe" is used by Microsoft Windows System files. Many threats uses filenames of System Processes to camouflage itself. You should consider suspected any file which uses system filename and is not stored in system directory or has invalid file version information. Correct system file contains full file version information from Microsoft.

User Reviews of the "rundll32.exe"

There are multiple files in compliance with actual filter settings. All reviews for this files will be displayed.

Reviews for all files with name "rundll32.exe"

  • SAFErating from user DRUID for file C:\Windows\System32\rundll32.exe (Variant: 46593877)

    OK

  • SAFErating from user Part for file C:\Windows\System32\rundll32.exe (Variant: 40509763)

    Part of Windows

  • SAFErating from user J7 for file C:\Windows\System32\rundll32.exeflag ru

  • SAFErating from user skaz for file C:\Windows\System32\rundll32.exe

  • SAFErating from user focu for file C:\Windows\SysWOW64\rundll32.exe

  • SAFErating from user Gosuto for file C:\Windows\System32\rundll32.exe

  • SAFErating from user lesnik60 for file C:\Windows\System32\rundll32.exe

  • SAFErating from user a for file C:\Windows\SysWOW64\rundll32.exe

  • SAFErating from user Mikel for file C:\Windows\System32\rundll32.exe

  • SAFErating from user baxti1965 for file C:\Windows\System32\rundll32.exe

  • SAFErating from user MikeOne for file C:\Windows\System32\rundll32.exe (Variant: 19517059)

    rundll32.exe is in most cases system process which hosts 3rd party libraries. This program can be used for load and start of any DLL file. You must check DLL files running in address space of rundll32.exe process to determine safety of the process. Don't know how to check file manually? You can use our freeware tool System Explorer.
    "Microsoft Windows 95, Windows 98, and Windows Millennium Edition (Me) contains two command-line utility programs named Rundll.exe and Rundll32.exe that allow you to invoke a function exported from a DLL, either 16-bit or 32-bit. However, Rundll and Rundll32 programs do not allow you to call any exported function from any DLL..." - see the basics about this executable on Windows pages on http://support.microsoft.com/kb/164787

  • SAFErating from user 2472567@mail.ru for file C:\Windows\System32\rundll32.exe

  • SAFErating from user MikeOne for file C:\Windows\SysWOW64\rundll32.exe (Variant: 10115966)

    "Microsoft Windows 95, Windows 98, and Windows Millennium Edition (Me) contains two command-line utility programs named Rundll.exe and Rundll32.exe that allow you to invoke a function exported from a DLL, either 16-bit or 32-bit. However, Rundll and Rundll32 programs do not allow you to call any exported function from any DLL..." - see the basics about this executable on Windows pages on http://support.microsoft.com/kb/164787

  • SAFErating from user rogalla for file C:\Windows\System32\rundll32.exe (Variant: 502065)

    Systemfile

  • SAFErating from user Nestai for file C:\Windows\System32\rundll32.exe

  • SAFErating from user surya for file C:\Windows\System32\RUNDLL32.EXE

  • SAFErating from user raiskai for file C:\Windows\System32\RUNDLL32.EXE (Variant: 532829)

    In my machine this file shows as threat by this scan but i think that is because i have a modified version of O.S. called W.U.D.E. 3.0 made by a independent group, and this O.S. don't show to me irregular actions, and i have installed a lot of programs that shows me when a process is doing an suspicious activity.

  • SAFErating from user rgoshorn for file C:\Windows\System32\rundll32.exe

  • SAFErating from user floollorb for file C:\Windows\System32\RUNDLL32.EXE

  • SAFErating from user Riblefawlauff for file C:\Windows\System32\RUNDLL32.EXE

  • SAFErating from user Payoftsnats for file C:\Windows\System32\RUNDLL32.EXE

  • THREATrating from user hiro for file %PROGRAMFILES%\install\rundll32.exe (Variant: 2917)

    Trojan virus : VirTool.Win32.Vbinder

  • SAFErating from user Fagange for file C:\Windows\System32\RUNDLL32.EXE

  • SAFErating from user doorVad for file C:\Windows\System32\RUNDLL32.EXE

  • SAFErating from user jeanlouis for file C:\Windows\SysWOW64\rundll32.exe

  • SAFErating from user ZorgTor for file C:\Windows\System32\RUNDLL32.EXE

  • SAFErating from user Moraxv for file C:\Windows\System32\rundll32.exe

  • SAFErating from user uncleshi1 for file C:\Windows\System32\RUNDLL32.EXE

  • SAFErating from user paxa220 for file RUNDLL32.EXE

  • SAFErating from user UPieper for file C:\Windows\System32\rundll32.exe

  • SAFErating from user SadasPoeta for file C:\Windows\System32\RUNDLL32.EXE

  • SAFErating from user AchtBit for file C:\Windows\System32\rundll32.exe

  • SAFErating from user RDR for file C:\Windows\SysWOW64\rundll32.exe (Variant: 179727)

    Windows RunDLL32.exe is the central element of Windows 32 bit platform. Without it Windows 32 bit doesn't exist. It is also included in the Programs x86 sub-system of Windows 64-bit to facilitate the 32-bit application interface for non 64-bit systems.

  • SAFErating from user zulian for file C:\Windows\System32\RUNDLL32.EXE

  • SAFErating from user Daca for file C:\Windows\System32\RUNDLL32.EXE

  • THREATrating from user Admin for file %PROGRAMFILES%\install\rundll32.exe (Variant: 2917)

    Many antiviruses detects this file as Threat (VirTool:Win32/Vbinder).

  • SAFErating from user Admin for file C:\Windows\System32\RUNDLL32.EXE (Variant: 1350)

    This file is part of operating system and it is SAFE,but.. This program can be used for load and start of any DLL file. You must check DLL files running in address space of rundll32.exe process to determine safety of the process.