GridinSoft Threat Intelligence
nfapi.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2023-07-07 23:04:20 (2 years ago); latest analysis 2023-08-19 23:26:47 (2 years ago).
Product metadata: NetFilterSDK.
Signed by Protected Antivirus Limited. 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
nfapi.dll is a Windows file recorded in the ThreatInfo database. It is associated with NetFilterSDK. The current detection status is Undefined, based on the latest analysis from 2023-08-19 23:26:47 (2 years 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: | NetFilterSDK |
| MD5: | 00b4c3ceddc76694e34ccdc453dba426 |
| Size: | 334 KB |
| First Published: | 2023-07-07 23:04:20 (2 years ago) |
| Latest Published: | 2023-08-19 23:26:47 (2 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2023-08-19 23:26:47 (2 years ago) |
Overview
| Signed By: | Protected Antivirus Limited |
| Status: | Valid |
The signature on nfapi.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:
| %programfiles% |
ThreatInfo has observed nfapi.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 nfapi.dll across 6 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Germany with 16.7% 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 nfapi.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
nfapi.dll 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 Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
8d3bc7bec37006019ba4135734220376
96def18d8b7bc32c0c55ca10880c3832
374aa5869129e797ed45cbd39e690469
f1e3cff17067294580d3743b4427f1dc
191d86b72f6b80d9ce9964040a6233ea
9ead5340b051c4baee9974ae19ff5b98
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.