GridinSoft Threat Intelligence
widevinecdmadapter.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2019-06-29 13:38:24 (6 years ago); latest analysis 2021-01-02 00:01:10 (5 years ago).
Company metadata: The Chromium Authors. Product metadata: Widevine Content Decryption Module Adapter.
Signed by YY 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
widevinecdmadapter.dll is a Windows file recorded in the ThreatInfo database. It is associated with Widevine Content Decryption Module Adapter. The reported company name is The Chromium Authors. The current detection status is Undefined, based on the latest analysis from 2021-01-02 00:01:10 (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: | Widevine Content Decryption Module Adapter |
| Company Name: | The Chromium Authors |
| MD5: | 44790fded70b03327f357f962467d288 |
| Size: | 205 KB |
| First Published: | 2019-06-29 13:38:24 (6 years ago) |
| Latest Published: | 2021-01-02 00:01:10 (5 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-01-02 00:01:10 (5 years ago) |
Overview
| Signed By: | YY Inc. |
| Status: | Valid |
The signature on widevinecdmadapter.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:
| %appdata%\duowan\yy\yycomstore\2052\com.yy.cefdev |
ThreatInfo has observed widevinecdmadapter.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 widevinecdmadapter.dll across 6 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 33.3% 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 widevinecdmadapter.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
widevinecdmadapter.dll is identified as pe for 32-bit 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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
9dda031b79d7c97c91d0083f38c611f3
03fca1a5d4e7ee74f2c5f4b39a3b83be
262d096ad2ffc62fcd566eb39af91399
a6f4ebde309c33264cda1fe2f661bd06
c3cd68a0b1184e11929f0167fec5f8dc
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.