GridinSoft Threat Intelligence

widevinecdmadapter.dll file report

Under review File reputation report
MD5 1775b40455c7f12d9261eae9d9a2d2d7
Latest seen 2024-11-05 23:01:42 (2 years ago)
First seen 2019-09-16 14:46:33 (6 years ago)
Size 227 KB
Publisher The Chromium Authors
Product Widevine Content Decryption Module Adapter
Signed by Beijing Qihu Technology Co., Ltd.

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2019-09-16 14:46:33 (6 years ago); latest analysis 2024-11-05 23:01:42 (2 years ago).

Publisher context

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

Digital signature

Signed by Beijing Qihu Technology Co., Ltd.. The signature is reported as valid, but signed files can still be bundled or abused.

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 2024-11-05 23:01:42 (2 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: 1775b40455c7f12d9261eae9d9a2d2d7
Size: 227 KB
First Published: 2019-09-16 14:46:33 (6 years ago)
Latest Published: 2024-11-05 23:01:42 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2024-11-05 23:01:42 (2 years ago)

Overview

Signed By: Beijing Qihu Technology Co., Ltd.
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:

%programfiles%\ludashi\utils
%programfiles%\ldslite\utils
%appdata%\360bizhi\utils

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

Top country China
Share 26.7%
Low High activity

The strongest geographic signal for this file is China with 26.7% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 10 100.0%

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.

Format pe
Architecture 32-bit
Subsystem Windows CUI
Entry point 0x0000defe
Image base 0x10000000

PE Sections:

Sections 7
Raw data 217088

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

.text 142848 bytes · 65.8% of section data
MD5 da8e090149d03b957f3b1a0fd9fef6e0
.rdata 56832 bytes · 26.2% of section data
MD5 10b62ab09cc073568d086a1ef6a6d7a0
.data 4096 bytes · 1.9% of section data
MD5 21802703b4d3cbba9494d2acd3a353f2
.gfids 1024 bytes · 0.5% of section data
Uncommon name
MD5 5c7c6f7c2ba2fb5fa962735cb6700127
.tls 512 bytes · 0.2% of section data
MD5 1f354d76203061bfdd5a53dae48d5435
.rsrc 2560 bytes · 1.2% of section data
MD5 669eaad6b898b890f700d44b68ef6eee
.reloc 9216 bytes · 4.2% of section data
MD5 cb905be1605d8f3b8724995d2888eeca

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 1775b40455c7f12d9261eae9d9a2d2d7.
  • 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.