GridinSoft Threat Intelligence
YTNavAssist.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2017-08-09 02:08:31 (8 years ago); latest analysis 2021-02-20 04:32:28 (5 years ago).
Company metadata: Yahoo! Inc.. Product metadata: Yahoo! Toolbar Nav Assistant plugin.
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
YTNavAssist.dll is a Windows file recorded in the ThreatInfo database. It is associated with Yahoo! Toolbar Nav Assistant plugin. The reported company name is Yahoo! Inc.. The current detection status is Undefined, based on the latest analysis from 2021-02-20 04:32:28 (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.
File Details
| Product Name: | Yahoo! Toolbar Nav Assistant plugin |
| Company Name: | Yahoo! Inc. |
| MD5: | a1e27169e47806a8fb3a1a4e4a26730c |
| Size: | 208 KB |
| First Published: | 2017-08-09 02:08:31 (8 years ago) |
| Latest Published: | 2021-02-20 04:32:28 (5 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-02-20 04:32:28 (5 years ago) |
Overview
| Signed By: | Yahoo! Inc. |
| Status: | Valid |
The signature on YTNavAssist.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\cpn0 |
| %programfiles%\yahoo!\companion\installs\cpn1 |
| %programfiles%\yahoo!\companion\installs |
ThreatInfo has observed YTNavAssist.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 YTNavAssist.dll across 8 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is United States with 38.5% 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 YTNavAssist.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.
Analysis
YTNavAssist.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.
ebf34ccc53592c8134e2e402a109eaf3
2e8ac5029df24d90f117747dd707192c
6bdabac22a6affe6bd7eb9134afb04cc
9e5ed5e26a5efb6bf33a2c468e08f313
c40ed834964a48e7629f5830cce8a0d3
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.