GridinSoft Threat Intelligence

DolbyAPOv251.dll file report

Under review File reputation report
MD5 4f8ae6754e48e454605f376c19024f8e
Latest seen 2021-01-10 23:31:30 (5 years ago)
First seen 2021-01-10 23:28:10 (5 years ago)
Size 2 MB
Publisher Dolby Laboratories
Product Dolby DAX3
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 2021-01-10 23:28:10 (5 years ago); latest analysis 2021-01-10 23:31:30 (5 years ago).

Publisher context

Company metadata: Dolby Laboratories. Product metadata: Dolby DAX3.

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

DolbyAPOv251.dll is a Windows file recorded in the ThreatInfo database. It is associated with Dolby DAX3. The reported company name is Dolby Laboratories. The current detection status is Undefined, based on the latest analysis from 2021-01-10 23:31:30 (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: Dolby DAX3
Company Name: Dolby Laboratories
MD5: 4f8ae6754e48e454605f376c19024f8e
Size: 2 MB
First Published: 2021-01-10 23:28:10 (5 years ago)
Latest Published: 2021-01-10 23:31:30 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-01-10 23:31:30 (5 years ago)

Overview

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

The signature on DolbyAPOv251.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:

%commonappdata%\reviversoft\driver reviver\downloads\0
%commonappdata%\reviversoft\driver reviver\downloads\3024178f-35db-41f0-b130-3f947cd7ba6e

ThreatInfo has observed DolbyAPOv251.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 DolbyAPOv251.dll across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Russian Federation
Share 100.0%
Low High activity

The strongest geographic signal for this file is Russian Federation 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 10 100.0%

The most common operating system signal for DolbyAPOv251.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

DolbyAPOv251.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 0x000e7f00
Image base 0x0000000180000000

PE Sections:

Sections 12
Raw data 2161664

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

.text 1342976 bytes · 62.1% of section data
MD5 b145fef3e8f0e155194dc8e813fb794b
RT_CODE 512 bytes · 0.0% of section data
Uncommon name
MD5 3ba89123e27e8e8ee63d8b61dd1d366e
RT_BSS 0 bytes · 0.0% of section data
Uncommon name
MD5 d41d8cd98f00b204e9800998ecf8427e
.rdata 676352 bytes · 31.3% of section data
MD5 334fc88cb031a6367c68ef70efdc4f8a
.data 30720 bytes · 1.4% of section data
MD5 a214dae5144186b3b7dc9af604bfa49f
.pdata 65536 bytes · 3.0% of section data
MD5 7a2966ad6f710cbafbae5bb8499efbee
RT_CONST 1536 bytes · 0.1% of section data
Uncommon name
MD5 1480f1e214c798d192fcb1ff4067529f
RT_DATA 2560 bytes · 0.1% of section data
Uncommon name
MD5 c075250bdee5b6a293fa8975d5c6415b
.trace 12800 bytes · 0.6% of section data
Uncommon name
MD5 a8bfca097434f744034755ba5db2655e
_RDATA 5120 bytes · 0.2% of section data
Uncommon name
MD5 127ab15e30748f9c71a5b774aaa48ecf
.rsrc 14336 bytes · 0.7% of section data
MD5 885f404baec6b2216c6690ef04423fb4
.reloc 9216 bytes · 0.4% of section data
MD5 e4b040e671f561173386487a04483d44

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 4f8ae6754e48e454605f376c19024f8e.
  • 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.