GridinSoft Threat Intelligence
widevinecdmadapter.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.
First seen 2017-05-22 10:21:11 (9 years ago); latest analysis 2021-11-23 21:36:56 (4 years ago).
Company metadata: Mail.Ru. Product metadata: Widevine Content Decryption Module Adapter.
Signed by LLC Mail.Ru. 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 Mail.Ru. The current detection status is Undefined, based on the latest analysis from 2021-11-23 21:36:56 (4 years ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.
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: | Mail.Ru |
| MD5: | 2b8801b6d19e783319f40247d2bf4b69 |
| Size: | 213 KB |
| First Published: | 2017-05-22 10:21:11 (9 years ago) |
| Latest Published: | 2021-11-23 21:36:56 (4 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-11-23 21:36:56 (4 years ago) |
Overview
| Signed By: | LLC Mail.Ru |
| 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:
| %localappdata%\amigo\application\56.0.2924.197\widevinecdm\_platform_specific\win_x86 |
| %localappdata%\amigo\user data\widevinecdm\1.4.8.903\_platform_specific\win_x86 |
| %sysdrive%\adwcleaner\quarantine\files\kqlokrochcqozdfmgvuoelxcqqwzoybc\application\56.0.2924.197\widevinecdm\_platform_specific\win_x86 |
| %sysdrive%\adwcleaner\quarantine\files\kqlokrochcqozdfmgvuoelxcqqwzoybc\user data\widevinecdm\1.4.8.903\_platform_specific\win_x86 |
| %sysdrive%\adwcleaner\quarantine\files\phjxhiscprrxjbbhyzmlsfkovxefiowk\user data\widevinecdm\1.4.8.903\_platform_specific\win_x86 |
| %sysdrive%\adwcleaner\quarantine\files\gnizsjchlhirsbdtpylycarjrjwrdkjp\user data\widevinecdm\1.4.8.903\_platform_specific\win_x86 |
| %sysdrive%\adwcleaner\quarantine\files\rtohunbxcmuplulbmmosewxcznpqpmda\application\56.0.2924.197\widevinecdm\_platform_specific\win_x86 |
| %sysdrive%\adwcleaner\quarantine\files\phjxhiscprrxjbbhyzmlsfkovxefiowk\application\56.0.2924.197\widevinecdm\_platform_specific\win_x86 |
| %sysdrive%\adwcleaner\quarantine\files\emkzbcbgbkpjwtlorzfzgfketrzyxhvo\application\56.0.2924.197\widevinecdm\_platform_specific\win_x86 |
| %sysdrive%\$recycle.bin\s-1-5-21-3640108247-2569103460-2629013116-1000\$ra9ljit\application\56.0.2924.197\widevinecdm\_platform_specific\win_x86 |
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 36 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Russian Federation with 50.9% 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 7 with 48.5% 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.
a37db56b247d450d8a23ec3be8bbff9e
638fc2b1126c7fb44d0a89e429f5b69e
a0acf904839c22daee26f4709a1750a9
60566da824ed4bd94856c56cbdb328af
12284151f4b8c9524d92ff39c357b09a
ce3a250613b1fd0b5f6eeefa87a8e528
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.