GridinSoft Threat Intelligence
Microsoft.Extensions.Primitives (1).dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.
First seen 2017-11-10 13:10:00 (8 years ago); latest analysis 2021-01-15 11:48:46 (5 years ago).
Company metadata: Microsoft Corporation.. Product metadata: Microsoft .NET Extensions.
Signed by SweetLabs Inc.. The signature is reported as valid, but signed files can still be bundled or abused.
This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.
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
Microsoft.Extensions.Primitives (1).dll is a Windows file recorded in the ThreatInfo database. It is associated with Microsoft .NET Extensions. The reported company name is Microsoft Corporation.. The current detection status is Undefined, based on the latest analysis from 2021-01-15 11:48:46 (5 years ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.
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 .NET Extensions |
| Company Name: | Microsoft Corporation. |
| MD5: | bdf984a1e30cd875cfc44c9132659354 |
| Size: | 35 KB |
| First Published: | 2017-11-10 13:10:00 (8 years ago) |
| Latest Published: | 2021-01-15 11:48:46 (5 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-01-15 11:48:46 (5 years ago) |
Overview
| Signed By: | SweetLabs Inc. |
| Status: | Valid |
The signature on Microsoft.Extensions.Primitives (1).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%\host app service\swbd |
| %sysdrive%\adwcleaner\quarantine\rywtiizs2t\swbd |
| %sysdrive%\adwcleaner\quarantine\x3cf3ednhm\swbd |
| %localappdata%\host app service |
| %sysdrive%\adwcleaner\quarantine\x3cf3ednhm |
| %sysdrive%\adwcleaner\quarantine\exuieaoeii |
| %sysdrive%\adwcleaner\quarantine\fraqbc8wsa |
| %sysdrive%\adwcleaner\quarantine\rywtiizs2t |
| %sysdrive%\windows.old\users\user\appdata\local\host app service |
| %sysdrive%\adwcleaner\quarantine\rqf69azbla |
ThreatInfo has observed Microsoft.Extensions.Primitives (1).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.
File Names:
2 observed namesThis hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.
Geographic signal
Observed country distribution
ThreatInfo has seen Microsoft.Extensions.Primitives (1).dll across 60 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is United States with 12.3% 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 Microsoft.Extensions.Primitives (1).dll is Windows 10 with 99.8% 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
Microsoft.Extensions.Primitives (1).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.
.NET Info:
| MVID: | 4b558f24-c6d7-49a0-8d7e-92db86f8fc53 |
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
e751d30952595fabe73603870671847f
cc0a7419d6b0b492fd55d69178a10443
44d5150b81e9835b63d0820c9d9fb47d
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.