GridinSoft Threat Intelligence

widevinecdmadapter.dll file report

Under review File reputation report
MD5 ef0b44e02cf267d7acde1a1eccebe624
Latest seen 2025-06-16 23:01:20 (a year ago)
First seen 2020-08-07 21:18:50 (5 years ago)
Size 209 KB
Publisher The Chromium Authors
Product Widevine Content Decryption Module Adapter

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2020-08-07 21:18:50 (5 years ago); latest analysis 2025-06-16 23:01:20 (a year ago).

Publisher context

Company metadata: The Chromium Authors. Product metadata: Widevine Content Decryption Module Adapter.

Observed locations

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

  1. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. 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 2025-06-16 23:01:20 (a year 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: ef0b44e02cf267d7acde1a1eccebe624
Size: 209 KB
First Published: 2020-08-07 21:18:50 (5 years ago)
Latest Published: 2025-06-16 23:01:20 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-06-16 23:01:20 (a year ago)

Common Places:

%programfiles%

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 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Korea, Republic of
Share 100.0%
Low High activity

The strongest geographic signal for this file is Korea, Republic of 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:

Windows 10 92.3%
Windows 7 7.7%

The most common operating system signal for widevinecdmadapter.dll is Windows 10 with 92.3% 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.

Format pe
Architecture 32-bit
Subsystem Windows CUI
Entry point 0x0000de7c
Image base 0x10000000

PE Sections:

Sections 7
Raw data 212992

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 139776 bytes · 65.6% of section data
MD5 4d08e549bda9da2e43bb383e1ec7a383
.rdata 56832 bytes · 26.7% of section data
MD5 095e2e5468f7b452ca44de75b4baaadf
.data 4096 bytes · 1.9% of section data
MD5 10c78f5b530255fa8ac4f552a9a2f525
.gfids 1024 bytes · 0.5% of section data
Uncommon name
MD5 fa16e65803d12580afcad24b7ded5647
.tls 512 bytes · 0.2% of section data
MD5 1f354d76203061bfdd5a53dae48d5435
.rsrc 1536 bytes · 0.7% of section data
MD5 3dc7f9954071fce5ed229d9a6af4a966
.reloc 9216 bytes · 4.3% of section data
MD5 f1bc067332e77b1b3cdd11ffb923e6dd

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.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with ef0b44e02cf267d7acde1a1eccebe624.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual.