GridinSoft Threat Intelligence

RtlCPAPI.dll file report

Clean record File reputation report
MD5 17b87593362e73c9b29ee9cfa17cf057
Latest seen 2021-01-14 16:25:08 (5 years ago)
First seen 2017-05-21 06:07:36 (9 years ago)
Size 134 KB
Publisher Realtek Semiconductor Corp.
Product RtlCPAPI Module
Signed by Realtek Semiconductor Corp

Why it matters

Evidence available for this file

Detection

Latest status is clean for this hash.

Timeline

First seen 2017-05-21 06:07:36 (9 years ago); latest analysis 2021-01-14 16:25:08 (5 years ago).

Publisher context

Company metadata: Realtek Semiconductor Corp.. Product metadata: RtlCPAPI Module.

Digital signature

Signed by Realtek Semiconductor Corp. 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. Confirm the hash and publisher match the expected software.
  2. Review the observed locations and signature information below.
  3. Rescan if the file was downloaded from an unknown source or appears in an unusual path.

File context

RtlCPAPI.dll is a Windows file recorded in the ThreatInfo database. It is associated with RtlCPAPI Module. The reported company name is Realtek Semiconductor Corp.. The current detection status is Clean, based on the latest analysis from 2021-01-14 16:25:08 (5 years ago).

This record is currently marked as clean, but file reputation can depend on the exact path, hash, and source. Compare the MD5 and publisher data below with the file on your system.

File Details

Product Name: RtlCPAPI Module
Company Name: Realtek Semiconductor Corp.
MD5: 17b87593362e73c9b29ee9cfa17cf057
Size: 134 KB
First Published: 2017-05-21 06:07:36 (9 years ago)
Latest Published: 2021-01-14 16:25:08 (5 years ago)
Status: Clean (on last analysis)
Analysis Date: 2021-01-14 16:25:08 (5 years ago)

Overview

Signed By: Realtek Semiconductor Corp
Status: Valid

The signature on RtlCPAPI.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%\drivertoolkit\download\4aa943642dab7b6a68bc4ded68876370\vista64
%localappdata%\innovative solutions\drivermax\agent\uploads\8i1ea01370u84h6sc0llv8cv37w2p69215xv2f2gcwi7j353es\media\hdaudio_func_01@amp;ven_10ec@amp;dev_0269
%localappdata%\innovative solutions\drivermax\agent\uploads\r6u68q6e6o40pxb8k8m69k940dp5a0u244so79jbew606tvs1k\media\hdaudio_func_01@amp;ven_10ec@amp;dev_0269
%programfiles%\drivertoolkit\download\83f5d9460bd6295dfd1503db0e18a69b\realtek_7195_64bit
%appdata%\driverfinder\backup\realtek high definition audio - 6.0.1.7553
%programfiles%\drivertoolkit\backup\realtek-high-definition-audio-6.0.1.6798
%appdata%\updatestar drivers\backup\realtek high definition audio - 6.0.1.7564
%commonappdata%\reviversoft\pc reviver\s-1-5-21-3053734767-385583339-3221505978-1000\driver updater\downloads\29
%appdata%\driverfinder\backup
%commonappdata%\reviversoft\driver reviver\downloads\84

ThreatInfo has observed RtlCPAPI.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 RtlCPAPI.dll across 25 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country United States
Share 16.9%
Low High activity

The strongest geographic signal for this file is United States with 16.9% 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 39.8%
Windows 7 33.7%
Windows XP 14.5%
Windows 8.1 9.6%
Windows Vista 1.2%
Windows 8 1.2%

The most common operating system signal for RtlCPAPI.dll is Windows 10 with 39.8% 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

RtlCPAPI.dll is identified as pe for 32-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 32-bit
Subsystem Windows GUI
Entry point 0x00008372
Image base 0x10000000

PE Sections:

Sections 5
Raw data 126976

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

.text 77824 bytes · 61.3% of section data
MD5 c2b688402f92e243aabea34c1da368e0
.rdata 20480 bytes · 16.1% of section data
MD5 294a2ba0d0a2bf56a7bcf21aa21631ca
.data 8192 bytes · 6.5% of section data
MD5 5789cec87c9104f551a1c596146f26c6
.rsrc 8192 bytes · 6.5% of section data
MD5 013d8734bea0875509db50ca7cea75b8
.reloc 12288 bytes · 9.7% of section data
MD5 5ca903fec2f0ff8cccbd27976ffef7c4

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 hash is currently recorded as clean

Use the MD5, publisher, signature, and observed paths in this report to verify that the file on your device is the same copy described here.

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 17b87593362e73c9b29ee9cfa17cf057.
  • 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.