GridinSoft Threat Intelligence

RtkApi64U.dll file report

Under review File reputation report
MD5 d47ab5eb2e3006d8b2aa473c9ee2fad5
Latest seen 2024-01-30 23:52:11 (2 years ago)
First seen 2024-01-30 23:49:46 (2 years ago)
Size 761 KB
Publisher Realtek Semiconductor Corp.
Product Realtek APO API
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 2024-01-30 23:49:46 (2 years ago); latest analysis 2024-01-30 23:52:11 (2 years ago).

Publisher context

Company metadata: Realtek Semiconductor Corp.. Product metadata: Realtek APO API.

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

RtkApi64U.dll is a Windows file recorded in the ThreatInfo database. It is associated with Realtek APO API. The reported company name is Realtek Semiconductor Corp.. The current detection status is Undefined, based on the latest analysis from 2024-01-30 23:52:11 (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: Realtek APO API
Company Name: Realtek Semiconductor Corp.
MD5: d47ab5eb2e3006d8b2aa473c9ee2fad5
Size: 761 KB
First Published: 2024-01-30 23:49:46 (2 years ago)
Latest Published: 2024-01-30 23:52:11 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2024-01-30 23:52:11 (2 years ago)

Overview

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

The signature on RtkApi64U.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%\slimware utilities inc\driverupdate\backups\20180921t210014128\swc
%localappdata%\slimware utilities inc\driverupdate\backups\20181223t082738657\swc

ThreatInfo has observed RtkApi64U.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 RtkApi64U.dll across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country United States
Share 100.0%
Low High activity

The strongest geographic signal for this file is United States 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 RtkApi64U.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

RtkApi64U.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 0x00042e24
Image base 0x0000000180000000

PE Sections:

Sections 8
Raw data 761344

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

.text 359936 bytes · 47.3% of section data
MD5 866eab85e34db8804cb22198a50bf43f
.rdata 208384 bytes · 27.4% of section data
MD5 da2518522be0ed65bce048c1f7bcf857
.data 30720 bytes · 4.0% of section data
MD5 bfca9d0f95759403915637eff871c14c
.pdata 27648 bytes · 3.6% of section data
MD5 724c63b39c079d449117bd87a80b546c
.tls 512 bytes · 0.1% of section data
MD5 1f354d76203061bfdd5a53dae48d5435
.gfids 512 bytes · 0.1% of section data
Uncommon name
MD5 14dc3f298fe1bf176918cc986b931f02
.rsrc 125952 bytes · 16.5% of section data
MD5 3158f7163bebd89e2edfba37edf46122
.reloc 7680 bytes · 1.0% of section data
MD5 0238b565f623732861d6d8de846e6a64

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 d47ab5eb2e3006d8b2aa473c9ee2fad5.
  • 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.