GridinSoft Threat Intelligence
pubmod.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2025-07-24 23:01:18 (10 months ago); latest analysis 2025-07-24 23:01:18 (10 months ago).
Company metadata: Yahoo! Inc.. Product metadata: PopupBlocker Module for Yahoo! Companion.
Signed by Yahoo! Inc.. The signature is reported as valid, but signed files can still be bundled or abused.
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
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- Run a local scan if the file appears unexpectedly or starts with Windows.
File context
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 2025-07-24 23:01:18 (10 months 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.
File Details
| Product Name: | PopupBlocker Module for Yahoo! Companion |
| Company Name: | Yahoo! Inc. |
| MD5: | 88f427b9479c721c78211a232eafe952 |
| Size: | 212 KB |
| First Published: | 2025-07-24 23:01:18 (10 months ago) |
| Latest Published: | 2025-07-24 23:01:18 (10 months ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-07-24 23:01:18 (10 months ago) |
Overview
| 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.
Common Places:
| %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.
Geographic signal
Observed country distribution
ThreatInfo has seen pubmod.dll across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Japan with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for pubmod.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.
Analysis
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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
171387350e613b11b17d917a5797aba1
29eeea8fad0bf23a1f9573f9795cba16
f9bc83eae97d4c1bebcd80032f6d9384
a655dc0556ed7c567746c07d69796063
8f00ecec1a32c6cb3c72e3aea57cf634
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.