GridinSoft Threat Intelligence

RtkCoLDR64.dll file report

Under review File reputation report
MD5 741955555f45c5f47d6842c6a76e5dc8
Latest seen 2021-01-04 06:48:39 (5 years ago)
First seen 2017-05-22 09:05:43 (8 years ago)
Size 23 KB
Publisher Realtek Semiconductor Corp.
Product Realtek HD Audio Coinstaller
Signed by Realtek Semiconductor Corp

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-22 09:05:43 (8 years ago); latest analysis 2021-01-04 06:48:39 (5 years ago).

Publisher context

Company metadata: Realtek Semiconductor Corp.. Product metadata: Realtek HD Audio Coinstaller.

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. 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

RtkCoLDR64.dll is a Windows file recorded in the ThreatInfo database. It is associated with Realtek HD Audio Coinstaller. The reported company name is Realtek Semiconductor Corp.. The current detection status is Undefined, based on the latest analysis from 2021-01-04 06:48:39 (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 HD Audio Coinstaller
Company Name: Realtek Semiconductor Corp.
MD5: 741955555f45c5f47d6842c6a76e5dc8
Size: 23 KB
First Published: 2017-05-22 09:05:43 (8 years ago)
Latest Published: 2021-01-04 06:48:39 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-01-04 06:48:39 (5 years ago)

Overview

Signed By: Realtek Semiconductor Corp
Status: Valid

The signature on RtkCoLDR64.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\restore\9sakx2986tt206wgkwhn52weu973023579c9509fd69u72o7ul\media\hdaudio_func_01@amp;ven_8086@amp;dev_2883@amp;subsys_80860101
%localappdata%\innovative solutions\drivermax\agent\restore\k325678agtbwu6sc0l2bk0xhxlll8713v5g6x2x5khh3xv4990\media\hdaudio_func_01@amp;ven_10ec@amp;dev_0887
%localappdata%\innovative solutions\drivermax\agent\restore\6y4qu2n55645y9j51ei76akbt7u1l56cbhtvnis6agu7it1so6\media\hdaudio_func_01@amp;ven_10ec@amp;dev_0662
%localappdata%\innovative solutions\drivermax\agent\uploads\578xq3ht5y6d4qux0o900gipm67gr9sc12r5ie3828j94hk172\media\hdaudio_func_01@amp;ven_10ec@amp;dev_0662
%localappdata%\slimware utilities inc\driverupdate\backups\20181020t204716664\hdaudio
%localappdata%\slimware utilities inc\driverupdate\backups\20181020t204303919\hdaudio
%localappdata%\innovative solutions\drivermax\agent\uploads\51164jb9t1hf2152wyb42uc1elbohsk56evg6143lur67leqe5\media

ThreatInfo has observed RtkCoLDR64.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 RtkCoLDR64.dll across 5 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Romania
Share 28.6%
Low High activity

The strongest geographic signal for this file is Romania with 28.6% 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 71.4%
Windows 7 28.6%

The most common operating system signal for RtkCoLDR64.dll is Windows 10 with 71.4% 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

RtkCoLDR64.dll is identified as pe for 64-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 64-bit
Subsystem Windows CUI
Entry point 0x00001988
Image base 0x0000000002000000

PE Sections:

Sections 5
Raw data 7168

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

.text 4608 bytes · 64.3% of section data
MD5 6c5841a5728048c3e825acf21e50667b
.data 512 bytes · 7.1% of section data
MD5 336ba567ad558152ec34ecf2a09ce955
.pdata 512 bytes · 7.1% of section data
MD5 7060f03acf6cb9bcdf543146fa8ac6fe
.rsrc 1024 bytes · 14.3% of section data
MD5 9a93076a1b4a76298c15465b25757eb9
.reloc 512 bytes · 7.1% of section data
MD5 4023a6357ded55f55d614b84c769bbd6

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 741955555f45c5f47d6842c6a76e5dc8.
  • 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.