GridinSoft Threat Intelligence
YCAPlugin.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2017-09-03 09:05:56 (8 years ago); latest analysis 2021-02-20 04:29:51 (5 years ago).
Company metadata: Yahoo! Inc.. Product metadata: Yahoo! Toolbar Anti-Spy Plug-In.
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
YCAPlugin.dll is a Windows file recorded in the ThreatInfo database. It is associated with Yahoo! Toolbar Anti-Spy Plug-In. The reported company name is Yahoo! Inc.. The current detection status is Undefined, based on the latest analysis from 2021-02-20 04:29:51 (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 Anti-Spy Plug-In |
| Company Name: | Yahoo! Inc. |
| MD5: | 491b654a135c2fa54236a0dac12e430a |
| Size: | 119 KB |
| First Published: | 2017-09-03 09:05:56 (8 years ago) |
| Latest Published: | 2021-02-20 04:29:51 (5 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-02-20 04:29:51 (5 years ago) |
Overview
| Signed By: | Yahoo! Inc. |
| Status: | Valid |
The signature on YCAPlugin.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\cpn |
| %programfiles%\yahoo!\companion\installs |
ThreatInfo has observed YCAPlugin.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 YCAPlugin.dll across 10 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Taiwan with 28.6% 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 YCAPlugin.dll is Windows 7 with 57.1% 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
YCAPlugin.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.
1d022a705a5bcbfade0e1d26f7e1f238
41e60bccace0a13e2b59080a7e2585e8
097460c87cb15b86c532eff3410ad7a8
67f69c9d781a404076cf284d91e43329
b85453a093136885f3482255f37ef758
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.