GridinSoft Threat Intelligence

DDPA64.dll file report

Under review File reputation report
MD5 fca8d7d57bf919c4536a124b23ea64d0
Latest seen 2026-03-28 23:00:36 (2 months ago)
First seen 2021-10-26 20:56:31 (4 years ago)
Size 271 KB
Publisher Dolby Laboratories
Product Dolby Digital Plus API
Signed by Dolby Laboratories, Inc.;Microsoft Windows Hardware Compatibility Publisher

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2021-10-26 20:56:31 (4 years ago); latest analysis 2026-03-28 23:00:36 (2 months ago).

Publisher context

Company metadata: Dolby Laboratories. Product metadata: Dolby Digital Plus API.

Digital signature

Signed by Dolby Laboratories, Inc.;Microsoft Windows Hardware Compatibility Publisher. 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

DDPA64.dll is a Windows file recorded in the ThreatInfo database. It is associated with Dolby Digital Plus API. The reported company name is Dolby Laboratories. The current detection status is Undefined, based on the latest analysis from 2026-03-28 23:00:36 (2 months 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: Dolby Digital Plus API
Company Name: Dolby Laboratories
MD5: fca8d7d57bf919c4536a124b23ea64d0
Size: 271 KB
First Published: 2021-10-26 20:56:31 (4 years ago)
Latest Published: 2026-03-28 23:00:36 (2 months ago)
Status: Undefined (on last analysis)
Analysis Date: 2026-03-28 23:00:36 (2 months ago)

Overview

Signed By: Dolby Laboratories, Inc.;Microsoft Windows Hardware Compatibility Publisher
Status: Valid

The signature on DDPA64.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%\innovative solutions\drivermax\agent\uploads\0888v62i6240g79yb75k9f2r36i1j0376446295tt1q0041t3u\media
%commonappdata%\outbyte\driver updater\2.x\temp
%appdata%\driverfinder\backup

ThreatInfo has observed DDPA64.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.

Geography:

3 observed countries
33.3%
33.3%
33.3%

The strongest geographic signal for this file is Japan 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:

Windows 10 100.0%

The most common operating system signal for DDPA64.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

DDPA64.dll is identified as pe for 64-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.

Format pe
Architecture 64-bit
Subsystem Windows GUI
Entry point 0x0001236c
Image base 0x0000000180000000

PE Sections:

Sections 8
Raw data 252416

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

.text 146432 bytes · 58.0% of section data
MD5 0843e1dac227f76b89e8dba8000277fb
.orpc 512 bytes · 0.2% of section data
Uncommon name
MD5 02cab6305b8cc6b96b306fc8143897e9
RT_CODE 5632 bytes · 2.2% of section data
Uncommon name
MD5 c56e6048f79f42f5ec2c658e88c2d965
.rdata 67072 bytes · 26.6% of section data
MD5 cc41130d63c74f36de13aeacbbe85254
.data 9728 bytes · 3.9% of section data
MD5 238f3371720850111de08f032bfc62ac
.pdata 9728 bytes · 3.9% of section data
MD5 ac1937226ea091ac97c043211cc32d3f
.rsrc 10240 bytes · 4.1% of section data
MD5 72ae8a92e7862c4b9b00d1338ff1e1bd
.reloc 3072 bytes · 1.2% of section data
MD5 98cc809def6df59071e61320b17e9f08

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 fca8d7d57bf919c4536a124b23ea64d0.
  • 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.