mDNSResponder.dll file report

MD5 a8acdb5ac2be7975a0ddd13931d7f07c
Latest seen 2023-12-28 23:29:53 (2 years ago)
First seen 2023-12-28 23:29:53 (2 years ago)
Size 480 KB
Publisher Apple Inc.
Product Bonjour

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2023-12-28 23:29:53 (2 years ago); latest analysis 2023-12-28 23:29:53 (2 years ago).

Publisher context

Company metadata: Apple Inc.. Product metadata: Bonjour.

Digital signature

Signed by Zoom Video Communications, Inc.. The signature is reported as valid, but signed files can still be bundled or abused.

Observed locations

ThreatInfo has seen this file in user or system paths listed below. Unexpected locations increase the need for local verification.

Recommended action

What to do next

  1. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. Run a local scan if the file appears unexpectedly or starts with Windows.

mDNSResponder.dll is a Windows file recorded in the ThreatInfo database. It is associated with Bonjour. The reported company name is Apple Inc.. The current detection status is Undefined, based on the latest analysis from 2023-12-28 23:29:53 (2 years ago).

ThreatInfo does not have a final classification for this file yet. Use the technical details below to compare the hash, size, signature, and observed locations with the copy found on your device.

Product Name: Bonjour
Company Name: Apple Inc.
MD5: a8acdb5ac2be7975a0ddd13931d7f07c
Size: 480 KB
First Published: 2023-12-28 23:29:53 (2 years ago)
Latest Published: 2023-12-28 23:29:53 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2023-12-28 23:29:53 (2 years ago)
Signed By: Zoom Video Communications, Inc.
Status: Valid

The signature on mDNSResponder.dll is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.

%appdata%\zoom

ThreatInfo has observed mDNSResponder.dll in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.

100.0%

The strongest geographic signal for this file is Israel with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 100.0%

The most common operating system signal for mDNSResponder.dll is Windows 10 with 100.0% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.

mDNSResponder.dll is identified as pe for 64 systems. The subsystem is Windows CUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Subsystem: Windows CUI
PE Type: pe
OS Bitness: 64
Image Base: 0x0000000180000000
Entry Address: 0x000512b0

PE Sections:

Name Size of data MD5
.text 330752 6e185a659ee51d35a41f0c9e05b3802f
.rdata 118272 47d11b25fed7078ebf4299123b664df1
.data 512 a3a356ae08aeef5e2cbe53555edecdea
.pdata 14336 69864705878677881c5b87d6f88ec202
.rsrc 2048 40a8a1ee554391d72f10a30739b204ee
.reloc 512 4ddb9bce6befef555badc9f378f99d32

PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.

More information: