GridinSoft Threat Intelligence
mfc140u.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2024-01-11 23:58:43 (2 years ago); latest analysis 2026-01-06 23:00:48 (4 months ago).
Company metadata: Microsoft Corporation. Product metadata: Microsoft® Visual Studio®.
Signed by Microsoft Windows Software Compatibility Publisher;Microsoft Corporation. The signature is reported as valid, but signed files can still be bundled or abused.
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
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- Run a local scan if the file appears unexpectedly or starts with Windows.
File context
mfc140u.dll is a Windows file recorded in the ThreatInfo database. It is associated with Microsoft® Visual Studio®. The reported company name is Microsoft Corporation. The current detection status is Undefined, based on the latest analysis from 2026-01-06 23:00:48 (4 months 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: | Microsoft® Visual Studio® |
| Company Name: | Microsoft Corporation |
| MD5: | 266c6a0adda7ca07753636b1f8a69f7f |
| Size: | 4 MB |
| First Published: | 2024-01-11 23:58:43 (2 years ago) |
| Latest Published: | 2026-01-06 23:00:48 (4 months ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2026-01-06 23:00:48 (4 months ago) |
Overview
| Signed By: | Microsoft Windows Software Compatibility Publisher;Microsoft Corporation |
| Status: | Valid |
The signature on mfc140u.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:
| %appdata% |
| %commonappdata% |
ThreatInfo has observed mfc140u.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 mfc140u.dll across 3 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Georgia with 50.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for mfc140u.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
mfc140u.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 Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
439ba109e1fba914ceec7c4ae7fd122f
0d22a791d2e1e379f2fa334ec70830ff
111239a6e93b8fbf367de3d77d21b205
10c28b98d0636ccd58ab677db1adc3e9
0c3d1a4832c5cdedec5ac2f479ad3834
2a226855fd5ec7964e7057f318fc1937
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.