Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

3,0,0,2 18.18%
2.0.5.0 19.19%
2.0.4.0 25.25%
2.0.3.0 23.23%
2.0.0.34 5.05%
1,0,6,2 9.09%

Relationships

Parent processes
Related files

PE structurePE file structure

Show functions
Import table
advapi32.dll
LsaNtStatusToWinError, RegisterServiceCtrlHandlerExW, DeregisterEventSource, StartServiceCtrlDispatcherW, SetServiceStatus, QueryServiceStatus, ControlService, DeleteService, CreateServiceW, StartServiceW, RegNotifyChangeKeyValue, RegisterEventSourceW, ReportEventA, LockServiceDatabase, OpenServiceW, ChangeServiceConfig2W, UnlockServiceDatabase, OpenSCManagerW, EnumServicesStatusW, CloseServiceHandle, LsaOpenPolicy, LsaRetrievePrivateData, LsaFreeMemory, LsaClose, RegOpenKeyExW, RegCreateKeyA, RegQueryInfoKeyW, RegEnumKeyExA, RegOpenKeyExA, RegQueryValueExA, RegQueryValueExW, RegCreateKeyW, RegSetValueExW, RegCloseKey
iphlpapi.dll
GetIpForwardTable, GetAdaptersInfo, GetNetworkParams, GetPerAdapterInfo, GetBestInterface, CreateIpForwardEntry, DeleteIpForwardEntry, GetIpAddrTable
kernel32.dll
GetComputerNameExA, WideCharToMultiByte, SetEvent, WaitForMultipleObjects, CreateEventW, GetProcAddress, LoadLibraryW, SetWaitableTimer, CloseHandle, DeviceIoControl, CreateFileA, GetComputerNameExW, GlobalFree, GlobalAlloc, FreeLibrary, GetLastError, GetVersionExW, CreateWaitableTimerW, OpenThread, GetCurrentThreadId, ResetEvent, TerminateThread, MultiByteToWideChar, GetModuleFileNameW, CancelWaitableTimer, GetSystemPowerStatus, GetFullPathNameW, SetConsoleCtrlHandler, GetModuleHandleW, HeapSetInformation, SetLastError, TlsFree, GetTickCount, Sleep, FormatMessageA, ExitProcess, WriteFile, GetStdHandle, WaitForSingleObject, HeapCreate, GetConsoleCP, GetConsoleMode, FlushFileBuffers, InitializeCriticalSectionAndSpinCount, CreateFileW, DeleteCriticalSection, SetHandleCount, GetFileType, GetStartupInfoW, LCMapStringW, FreeEnvironmentStringsW, GetEnvironmentStringsW, QueryPerformanceCounter, GetCurrentProcessId, GetStringTypeW, WriteConsoleW, SetFilePointer, SetStdHandle, RtlUnwind, HeapSize, QueueUserAPC, TlsSetValue, TlsGetValue, TlsAlloc, IsValidCodePage, GetOEMCP, GetACP, InterlockedDecrement, InterlockedIncrement, GetSystemTimeAsFileTime, HeapAlloc, HeapFree, InterlockedExchange, EncodePointer, DecodePointer, EnterCriticalSection, LeaveCriticalSection, HeapReAlloc, ExitThread, CreateThread, GetCommandLineW, TerminateProcess, GetCurrentProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, IsProcessorFeaturePresent, GetCPInfo, SleepEx, WaitForMultipleObjectsEx, LCMapStringA, GetCommandLineA, FreeEnvironmentStringsA, GetEnvironmentStrings, GetStringTypeA, GetLocaleInfoA, InitializeCriticalSection, LoadLibraryA, WriteConsoleA, GetConsoleOutputCP, GetStartupInfoA, GetModuleFileNameA, GetVersionExA, GetProcessHeap, GetModuleHandleA, VirtualFree, VirtualAlloc, HeapDestroy, ResumeThread
netapi32.dll
NetGetJoinInformation, NetShareEnum, NetApiBufferFree
ole32.dll
CoInitializeEx, CoUninitialize, CoCreateInstance
powrprof.dll
SetSuspendState
user32.dll
LoadStringW
ws2_32.dll
WSAStringToAddressA, WSACreateEvent, WSAEventSelect, WSACloseEvent, WSAEnumNetworkEvents, WSARecvFrom, WSAIoctl, WSARecv

mDNSResponder.exe

Bonjour by Apple Inc. (Signed)

Remove mDNSResponder.exe
Version:   3,0,0,2
MD5:   1c87705ccb2f60172b0fc86b5d82f00d
SHA1:   1c7d27455f1fc7b0535533c1c0bb4ca03eaa5144
SHA256:   c6413e6603ad7ecda5107504e109f608154ba43dafce319793e8d8b47c2781a3

What is mDNSResponder.exe?

Bonjour provides a general method to discover services on a local area network. The software is widely used throughout Mac OS, and allows users to set up a network without any configuration. It is used to find printers and file-sharing servers. iTunes uses Bonjour to find shared music, iPhoto to find shared photos. Bonjour for Windows and AirPort Base Stations may be configured to use Wide Area Bonjour which allows for wide area service discovery via an appropriately configured DNS server.

About mDNSResponder.exe (from Apple Inc.)

Bonjour, also known as zero-configuration networking, enables automatic discovery of computers, devices, and services on IP networks using industry standard IP protocols. It is a key component of Appl

DetailsDetails

File name:mDNSResponder.exe
Publisher:Apple Inc.
Product name:Bonjour
Description:Bonjour Service
Typical file path:C:\Program Files\bonjour\mdnsresponder.exe
File version:3,0,0,2
Size:378.85 KB (387,944 bytes)
Certificate
Issued to:Apple Inc.
Authority (CA):VeriSign
Effective date:Sunday, May 17, 2009
Expiration date:Sunday, June 26, 2011
Digital DNA
Entropy:6.580966
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
Apple Inc.
6% remove
Bonjour Service provides a general method to discover services on a local area network. The software is widely used throughout Mac OS and Windows for iOS devices, and allows users to set up a network without any configuration. It is used to find printers and file-sharing servers. iTunes uses Bonjour to find shared music, iPhoto to find shared photos. Bonjour for Windows and AirPort Base Stations may be configured to use Wide Area Bonjou...
Apple Inc.
10% remove
Bonjour Service provides a general method to discover services on a local area network including network printers. The software allows users to set up a network without any configuration. It is used to find printers and file-sharing servers. Bonjour for Windows and AirPort Base Stations may be configured to use Wide Area Bonjour which allows for wide area service discovery via a configured DNS server.

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'Bonjour Service' (Servicio Bonjour)
  • 'Bonjour Service'
Windows firewall allowed programs
Exceptions allow programs to access to the Internet through an outbound connections
  • Firewall exception for 'C:\Program Files\Bonjour\mDNSResponder.exe'
Network connections
Access through an approved Windows firewall exception
  • [UDP] listens on port 5353

  • ResourcesResource utilization

    (Note: statistics below are averages based on a minimum sample size of 200 unique participants)
    Averages
     
    CPU
    Total CPU:0.00089783%
    0.028634%
    Kernel CPU:0.00052624%
    0.013761%
    User CPU:0.00037159%
    0.014873%
    Kernel CPU time:11,358 ms/min
    100,923,805ms/min
    CPU cycles:103,944/sec
    17,470,203/sec
    Memory
    Private memory:2.01 MB
    21.59 MB
    Private (maximum):2.35 MB
    Private (minimum):1.95 MB
    Non-paged memory:2.01 MB
    21.59 MB
    Virtual memory:34.27 MB
    140.96 MB
    Virtual memory (peak):35.88 MB
    169.69 MB
    Working set:2.05 MB
    18.61 MB
    Working set (peak):4.85 MB
    37.95 MB
    Page faults:8,380/min
    2,039/min
    I/O
    I/O read transfer:35 Bytes/sec
    1.02 MB/min
    I/O read operations:1/sec
    343/min
    I/O write transfer:0 Bytes/sec
    274.99 KB/min
    I/O write operations:1/sec
    227/min
    I/O other transfer:2.7 KB/sec
    448.09 KB/min
    I/O other operations:108/sec
    1,671/min
    Resource allocations
    Threads:4
    12
    Handles:117
    600
    GUI GDI count:4
    103

    BehaviorsProcess properties

    Integrety level:System
    Platform:32-bit
    Command lines:
    • "C:\Program Files\bonjour\mdnsresponder.exe"
    Owner:SYSTEM
    Windows Service
    Service name:Bonjour Service
    Display name:Servicio Bonjour
    Description:“Permite que los dispositivos de hardware y los servicios de software se configuren automáticamente en la red y anuncien su presencia.”
    Type:Win32OwnProcess
    Parent process:services.exe (Services and Controller app by Microsoft)

    ResourcesThreads

    Averages
     
    sechost.dll
    Total CPU:0.04889711%
    0.272967%
    Kernel CPU:0.04065768%
    0.107585%
    User CPU:0.00823943%
    0.165382%
    CPU cycles:774,078/sec
    5,741,424/sec
    Memory:100 KB
    1.16 MB
    wow64.dll
    Total CPU:0.00963356%
    Kernel CPU:0.00653166%
    User CPU:0.00310191%
    CPU cycles:245,845/sec
    Memory:252 KB
    mDNSResponder.exe (main module)
    Total CPU:0.00002709%
    Kernel CPU:0.00000853%
    User CPU:0.00001857%
    CPU cycles:486/sec
    Memory:552 KB

    Common loaded modules

    These are modules that are typiclaly loaded within the context of this process.

    Windows OS versionsDistribution by Windows OS

    OS versiondistribution
    Windows 7 Ultimate 33.33%
    Windows 7 Home Premium 20.20%
    Windows XP Home Edition 13.13%
    Microsoft Windows XP 10.10%
    Windows Vista Home Premium 10.10%
    Windows XP Professional 4.04%
    Windows 8 2.02%
    Windows 7 Starter 2.02%
    Windows Vista™ Home Premium 2.02%
    Windows 8.1 Pro with Media Center 1.01%
    Windows 8 Pro 1.01%
    Windows Vista Ultimate 1.01%

    Distribution by countryDistribution by country

    United States installs about 39.29% of Bonjour.

    OEM distributionDistribution by PC manufacturer

    PC Manufacturerdistribution
    Lenovo 21.21%
    Sony 18.18%
    ASUS 15.15%
    Intel 12.12%
    Dell 9.09%
    Hewlett-Packard 7.58%
    Acer 7.58%
    Toshiba 6.06%
    Samsung 3.03%
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