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The mDNSResponder.exe (Bonjour Service) File Analysis

Updated 2 months ago
Checked by Malaware Check
mDNSResponder.exe

Technical Analysis

File Name mDNSResponder.exe
File Type
PE32+ executable (console) x86-64, for MS Windows
Scanner Version 1.0.211.174
Database Version 2025-03-22 03:00:51 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
462,096
File Size (bytes)
2025-03-22
Analysis Date

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File Identification

Hash Type Value Action
MD5
b5c2f92ee1106dfe7bb1cce4d35b6037
SHA1
31070ef84c5355b082873ffc19ff60659637995f
SHA256
e399c390687589194d8aad385055f0cfa7d52ad9e837d8ff95008b8eb2b34e50
SHA512
7f82752b271ee35bad31a8571ae33b8cc83ef48f41937297dfc446f6f9b12da3d8b8336a527f6bbc5bc3c6627deadbd38a5f109b16c7d1386a3db36742c5a9c7
ImpHash
cfc72b54eec6e472e94998c57ae60121

PE Analysis

Basic Information

▼
Image Base 0x140000000
Entry Point 0x140045b50
Compilation Time 2015-08-12 22:47:02
Checksum 0x00080aac (Actual: 0x00080aac)
OS Version 5.2
PEiD Signatures PE32+ executable (console) x86-64, for MS Windows
PDB Path C:\BWA\BonjourWin_x64-94\srcroot\mDNSWindows\SystemService\x64\Release\mDNSResponder.pdb
Digital Signature OK
Imports 9 libraries
WS2_32, IPHLPAPI, NETAPI32, POWRPROF, KERNEL32, USER32, ADVAPI32, ole32, OLEAUT32
Exports 0 functions
Resources 4 Resources
Sections 6 Sections

Version Information

▼
CompanyName Apple Inc.
FileDescription Bonjour Service
FileVersion 3,1,0,1
InternalName mDNSResponder.exe
LegalCopyright Copyright (c) 2003-2015 Apple Inc.
OriginalFilename mDNSResponder.exe
ProductName Bonjour
ProductVersion 3,1,0,1
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 321,389 bytes 321,536 bytes 6.42 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 4C4EFB85815FB49D1F3619E5CBC53E6D
.rdata 0x00050000 105,698 bytes 105,984 bytes 5.53 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 094C567A8B49D0E64C1208A10BB191D8
.data 0x0006a000 206,564 bytes 6,144 bytes 3.04 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE F8DC37263E6DF967D5A142876616E928
.pdata 0x0009d000 15,756 bytes 15,872 bytes 5.73 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 75FFB2FF87B621B362D8FF64594490D7
.rsrc 0x000a1000 2,184 bytes 2,560 bytes 4.45 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 1BA8C7A0389B9CA6735401E1B36C5D77
.reloc 0x000a2000 2,192 bytes 2,560 bytes 1.39 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 4350DABA34941CD55AC9A2A78289D23F

Resource Analysis

▼
Total Resources: 4 (1,877 bytes)
Resource Type Count Total Size Percentage
RT_STRING 1 502 bytes
26.7%
RT_MESSAGETABLE 1 32 bytes
1.7%
RT_VERSION 1 748 bytes
39.9%
RT_MANIFEST 1 595 bytes
31.7%

Certificate Chain Analysis

▼
Certificate Information
Product Bonjour
Description Bonjour Service
File Version 3,1,0,1
Original Name mDNSResponder.exe
Signing Date 10:47 PM 08/12/2015 (3586 days ago)
Verification Status Signed
Signers Apple Inc.; VeriSign Class 3 Code Signing 2010 CA; VeriSign
Counter Signers Symantec Time Stamping Services Signer - G4; Symantec Time Stamping Services CA - G2; Thawte Timestamping CA
Internal Name mDNSResponder.exe
Copyright Copyright (c) 2003-2015 Apple Inc.
Certificate Chain Summary
Symantec Time Stamping Services CA - G2 #1 Primary
Validity Period: 2012-12-21 00:00:00 → 2020-12-30 23:59:59
Signature Algorithm: sha1RSA
Serial Number: 7E 93 EB FB 7C C6 4E 59 EA 4B 9A 77 D4 06 FC 3B
Symantec Time Stamping Services Signer - G4 #2 Chain
Validity Period: 2012-10-18 00:00:00 → 2020-12-29 23:59:59
Signature Algorithm: sha1RSA
Serial Number: 0E CF F4 38 C8 FE BF 35 6E 04 D8 6A 98 1B 1A 50
Apple Inc. #3 Chain
Validity Period: 2015-07-29 00:00:00 → 2017-08-27 23:59:59
Signature Algorithm: sha1RSA
Serial Number: 2B 20 EB 33 80 79 2A B0 11 F6 62 C0 64 FD B4 73

✓ This file has been digitally signed and the certificate chain has been verified

  • The signature ensures file integrity and authenticity from the publisher
  • Timestamping proves when the signature was applied
Certificate Verification Status

OK

Remember: This is Result of Online Virus Scanner

Gridinsoft Anti-Malware has a much more powerful virus scanning engine. We recommend using it for a more precise diagnosis of infected systems. This brief guide will help you install our flagship product for more accurate diagnostics:

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Keep Your System Protected

This file appears clean, but regular security maintenance is important

  1. Regular Scans: Run weekly system scans to detect new threats before they can cause damage.
  2. Keep Software Updated: Ensure your operating system and all applications have the latest security patches.
  3. Safe Browsing: Avoid suspicious websites and never download software from untrusted sources.
  4. Email Security: Be cautious with email attachments and links, even from known contacts.
Proactive Protection
This file passed all security checks, but stay vigilant. New malware variants appear daily that can evade detection. Always verify files come from official sources and check digital signatures when available.

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