GridinSoft Threat Intelligence

RltkAPO.dll file report

Under review File reputation report
MD5 d2c5c1318e365530f2305c24250edfe0
Latest seen 2021-01-04 14:12:00 (5 years ago)
First seen 2020-06-27 06:41:23 (5 years ago)
Size 3 MB
Publisher Realtek Semiconductor Corp.
Product Realtek(r) LFX/GFX DSP component
Signed by Realtek Semiconductor Corp.;Microsoft Windows Hardware Compatibility Publisher

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2020-06-27 06:41:23 (5 years ago); latest analysis 2021-01-04 14:12:00 (5 years ago).

Publisher context

Company metadata: Realtek Semiconductor Corp.. Product metadata: Realtek(r) LFX/GFX DSP component.

Digital signature

Signed by Realtek Semiconductor Corp.;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

RltkAPO.dll is a Windows file recorded in the ThreatInfo database. It is associated with Realtek(r) LFX/GFX DSP component. The reported company name is Realtek Semiconductor Corp.. The current detection status is Undefined, based on the latest analysis from 2021-01-04 14:12:00 (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: Realtek(r) LFX/GFX DSP component
Company Name: Realtek Semiconductor Corp.
MD5: d2c5c1318e365530f2305c24250edfe0
Size: 3 MB
First Published: 2020-06-27 06:41:23 (5 years ago)
Latest Published: 2021-01-04 14:12:00 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-01-04 14:12:00 (5 years ago)

Overview

Signed By: Realtek Semiconductor Corp.;Microsoft Windows Hardware Compatibility Publisher
Status: Valid

The signature on RltkAPO.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\80
%commonappdata%\reviversoft\driver reviver\downloads\96fffcb1-222d-475b-b3de-562928746539
%localappdata%\innovative solutions\drivermax\agent\uploads\t2kh8ln445484r16kxd8945tmtx9ux6j53s9lx744lt25a8045\media
%commonappdata%\reviversoft\driver reviver\downloads\66
%commonappdata%\reviversoft\driver reviver\downloads\e746e057-0f99-442d-b3fe-881db49c8496
%commonappdata%\reviversoft\driver reviver\downloads\62
%commonappdata%\reviversoft\driver reviver\downloads\cbc7092c-c4f9-4d65-b84c-c1623ee81d77
%commonappdata%\reviversoft\driver reviver\downloads\18
%commonappdata%\winzip\winzip driver updater\downloads\46
%commonappdata%\winzip\winzip driver updater\downloads\48db1056-6685-4a17-8ba9-aad318465a4d

ThreatInfo has observed RltkAPO.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 RltkAPO.dll across 5 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country China
Share 30.8%
Low High activity

The strongest geographic signal for this file is China with 30.8% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 7 53.8%
Windows 10 46.2%

The most common operating system signal for RltkAPO.dll is Windows 7 with 53.8% 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

RltkAPO.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 0x000c4151
Image base 0x00400000

PE Sections:

Sections 8
Raw data 3229696

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

.text 1678336 bytes · 52.0% of section data
MD5 c0698b3f17d660df1f83a4d85dc93924
RT_CODE 845824 bytes · 26.2% of section data
Uncommon name
MD5 722ac2a2c2ea1fbfbd5d8feb4cdcb106
CODE 19968 bytes · 0.6% of section data
MD5 1c43d42cc696e48f2169902da2b3fc9a
.data 272384 bytes · 8.4% of section data
MD5 f65c3405b6f877098b93a8ba735aaaf8
RT_CONST 17408 bytes · 0.5% of section data
Uncommon name
MD5 4e7bb59e1e896a08839834c4065ac0ad
RT_DATA 227840 bytes · 7.1% of section data
Uncommon name
MD5 e34bc2f41b77823d89338c2e22b64399
.rsrc 54272 bytes · 1.7% of section data
MD5 fd606e9d72d6b3ee8af494aaf8fcdae2
.reloc 113664 bytes · 3.5% of section data
MD5 fe41ec55a1966d799ed7782af5ac5976

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 d2c5c1318e365530f2305c24250edfe0.
  • 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.