"mDNSResponder.exe" Process on Windows 7

Q

What is the "mDNSResponder.exe" process on windows 7? Is the "mDNSResponder.exe" process a virus? Can I terminate the "mDNSResponder.exe" process?

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A

"mDNSResponder.exe" process represents "Bonjour Service" program.

"mDNSResponder.exe" process is normally running under the parent process "services" as shown in the process tree below:

Boot
   wininit
      services
         mDNSResponder

On the Processes tab of "Task Manager", "mDNSResponder.exe" process may be listed as:

Image Name                 Memory   Description
--------------------   ----------   -----------
mDNSResponder.exe         4,840 K   Bonjour Service

Additional information about "mDNSResponder.exe" process:

Command line:
   "C:\Program Files\Bonjour\mDNSResponder.exe"

Programe file information:
   Name: mDNSResponder.exe
   Location: C:\Program Files\Bonjour\mDNSResponder.exe
   Description: Bonjour Service
   Version: 3,1,0,1
   Size: 462096 bytes
   Last modified: 8/12/2015 5:03:42 PM
   Company Name: Apple Inc.
   
Some data files used:
C:\Windows\System32

Some registry keys used:
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
HKLM\SYSTEM\ControlSet001\Control\Nls\Sorting\Versions
HKLM\SYSTEM\ControlSet001\Control\SESSION MANAGER
HKU\.DEFAULT\Control Panel\International
HKLM\SYSTEM\ControlSet001\services\WinSock2\Parameters\Protocol_Catalog9
HKLM\SYSTEM\ControlSet001\services\WinSock2\Parameters\NameSpace_Catalog5
HKLM\SYSTEM\ControlSet001\services\LanmanServer\Parameters
HKLM\SYSTEM\ControlSet001\services\Tcpip\Parameters
HKLM\SOFTWARE\Apple Inc.\Bonjour\DynDNS\Setup
HKLM\SYSTEM\ControlSet001\services\LanmanServer\Shares

Some DLL libraries used:
C:\windows\SYSTEM32\ntdll.dll
C:\windows\system32\kernel32.dll
C:\windows\system32\KERNELBASE.dll
C:\windows\system32\WS2_32.dll
C:\windows\system32\msvcrt.dll
C:\windows\system32\RPCRT4.dll
C:\windows\system32\NSI.dll
C:\windows\system32\IPHLPAPI.DLL
C:\windows\system32\WINNSI.DLL
C:\windows\system32\NETAPI32.dll

"mDNSResponder.exe" process is not a virus. You should not terminate "mDNSResponder.exe" process, if you want to connect your iPhone or other Apple devices to the computer.

 

Application Service Processes on Windows 7

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