iisres.dll.mui file report

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Analyst brief

What this report says

ThreatInfo has not assigned a final verdict to iisres.dll.mui. The metadata below can still help compare the file identity, origin, and observed behavior against a copy found on a device.

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

No final classification is available yet.

Timeline

First seen 2026-04-13 23:00:26 (a month ago); latest analysis 2026-04-13 23:01:09 (a month ago).

Publisher context

Company metadata: Microsoft Corporation. Product metadata: Internet Information Services.

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.

iisres.dll.mui is a Windows file recorded in the ThreatInfo database. It is associated with Internet Information Services. The reported company name is Microsoft Corporation. The current detection status is Undefined, based on the latest analysis from 2026-04-13 23:01:09 (a month 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

ThreatInfo has observed iisres.dll.mui 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 iisres.dll.mui 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.

The most common operating system signal for iisres.dll.mui 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

iisres.dll.mui 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.

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 e12188c6ec0427101743a900f68cb550.
• 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.