RtkCoInstII.dll file report

• » File
• File Details
• Overview
• Analysis

Analyst brief

What this report says

ThreatInfo currently records RtkCoInstII.dll as Clean. Treat the hash, publisher, signature, and observed locations below as the primary identity markers for comparison with the file on your system.

This page combines the detection verdict with file identity, publisher metadata, alternate names, observed paths, geography, OS signals, and PE details so the report reads as a triage record rather than a standalone download page.

Why it matters

Evidence available for this file

Detection

Latest status is clean for this hash.

Timeline

First seen 2019-03-15 18:48:41 (7 years ago); latest analysis 2022-02-12 23:56:35 (4 years ago).

Publisher context

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

Digital signature

Signed by Realtek Semiconductor Corp. ThreatInfo marks this publisher as trusted for this record.

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.

RtkCoInstII.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 Clean, based on the latest analysis from 2022-02-12 23:56:35 (4 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

Overview

ThreatInfo marks this publisher as trusted for this record, but the file hash and source should still match the expected software distribution.

ThreatInfo has observed RtkCoInstII.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 RtkCoInstII.dll across 2 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Russian Federation

Share 66.7%

Low High activity

The strongest geographic signal for this file is Russian Federation with 66.7% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

The most common operating system signal for RtkCoInstII.dll is Windows 7 with 83.3% 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

RtkCoInstII.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.

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 fdb26b9b6052a04085e6ac99c0b85c6c.
• 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.