OSExtensions.dll
OSExtensions.dll is a Windows file recorded in the ThreatInfo database.
It is associated with OSExtensions.
The reported company name is Microsoft.
The current detection status is Undefined, based on the latest analysis from 2025-06-13 23:01:00 (11 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: |
OSExtensions |
| Company Name: |
Microsoft |
| MD5: |
3901200b0c717a838d87d8d28e8be531 |
| Size: |
42 KB |
| First Published: |
2025-06-13 23:01:00 (11 months ago) |
| Latest Published: |
2025-06-13 23:01:00 (11 months ago) |
| Status: |
Undefined (on last analysis) |
|
| Analysis Date: |
2025-06-13 23:01:00 (11 months ago) |
Overview
The signature on OSExtensions.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.
ThreatInfo has observed OSExtensions.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.
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 OSExtensions.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
OSExtensions.dll is identified as pe for 32 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.
| Subsystem: |
Windows CUI |
| PE Type: |
pe |
| OS Bitness: |
32 |
| Image Base: |
0x10000000 |
| Entry Address: |
0x00005622 |
| MVID: |
d89bf804-97f2-43d9-a887-142e67c3c69d |
| Name |
Size of data |
MD5 |
| .text |
14336 |
bf62021ffa34a9f5ae11a5af38abd3d3 |
| .rsrc |
1024 |
4552883da6071c6eb73bef86b05713dd |
| .reloc |
512 |
004e57454fa8a87c5f63fe331ac62e67 |
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.