GridinSoft Threat Intelligence

pubmod.dll file report

Under review File reputation report
MD5 78a384036c1d62de31de2206a83293b2
Latest seen 2021-02-20 04:28:46 (5 years ago)
First seen 2017-08-09 02:08:22 (8 years ago)
Size 213 KB
Publisher Yahoo! Inc.
Signed by Yahoo! Inc.

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-08-09 02:08:22 (8 years ago); latest analysis 2021-02-20 04:28:46 (5 years ago).

Publisher context

Company metadata: Yahoo! Inc.. Product metadata: PopupBlocker Module for Yahoo! Companion.

Digital signature

Signed by Yahoo! 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.

pubmod.dll is a Windows file recorded in the ThreatInfo database. It is associated with PopupBlocker Module for Yahoo! Companion. The reported company name is Yahoo! Inc.. The current detection status is Undefined, based on the latest analysis from 2021-02-20 04:28:46 (5 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: PopupBlocker Module for Yahoo! Companion
Company Name: Yahoo! Inc.
MD5: 78a384036c1d62de31de2206a83293b2
Size: 213 KB
First Published: 2017-08-09 02:08:22 (8 years ago)
Latest Published: 2021-02-20 04:28:46 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-02-20 04:28:46 (5 years ago)
Signed By: Yahoo! Inc.
Status: Valid

The signature on pubmod.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.

%programfiles%\yahoo!\companion\installs\cpn0
%programfiles%\yahoo!\companion\installs\cpn1
%programfiles%\yahoo!\companion\installs

ThreatInfo has observed pubmod.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.

Windows 10 46.2%
Windows 7 38.5%
Windows Vista 15.4%

The most common operating system signal for pubmod.dll is Windows 10 with 46.2% 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.

pubmod.dll is identified as pe for 32-bit systems. The subsystem is Windows GUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x000185d3
Image base 0x65200000

PE Sections:

Sections 5
Raw data 212480

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 143360 bytes · 67.5% of section data
MD5 656aa09e1aaf47ecd276b92820a771ec
.rdata 38400 bytes · 18.1% of section data
MD5 333953951bdf611ae7ac5508c387e161
.data 10752 bytes · 5.1% of section data
MD5 1f564065b402c89ca241c26542c96ed7
.rsrc 5632 bytes · 2.7% of section data
MD5 c3256b5486a6d6354dd59d3c33499677
.reloc 14336 bytes · 6.7% of section data
MD5 1f1fda6df7d8df2c177c3199a3c513eb

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.

Report conclusion

This file is still under review

ThreatInfo has not assigned a final verdict yet. Compare the file hash, location, signature, and publisher before trusting the file on a production system.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 78a384036c1d62de31de2206a83293b2.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual.