nfapi.dll file report

MD5 fa3ff8b97f45cbf325a2299be0f2df16
Latest seen 2021-01-08 15:17:14 (5 years ago)
First seen 2020-06-28 15:07:53 (5 years ago)
Size 164 KB
Product NetFilterSDK

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2020-06-28 15:07:53 (5 years ago); latest analysis 2021-01-08 15:17:14 (5 years ago).

Publisher context

Product metadata: NetFilterSDK.

Digital signature

Signed by Protected Antivirus Limited. The signature is reported as valid, but signed files can still be bundled or abused.

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.

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 2021-01-08 15:17:14 (5 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.

Product Name: NetFilterSDK
MD5: fa3ff8b97f45cbf325a2299be0f2df16
Size: 164 KB
First Published: 2020-06-28 15:07:53 (5 years ago)
Latest Published: 2021-01-08 15:17:14 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-01-08 15:17:14 (5 years ago)
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.

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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.

18.8%
12.5%
12.5%
6.3%
6.3%
6.3%
6.3%
6.3%
6.3%
6.3%
6.3%
6.3%

The strongest geographic signal for this file is Australia with 18.8% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 77.8%
Windows 7 16.7%
Windows 8 5.6%

The most common operating system signal for nfapi.dll is Windows 10 with 77.8% 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.

nfapi.dll is identified as pe for 32 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 32
Image Base: 0x10000000
Entry Address: 0x00008c64

PE Sections:

Name Size of data MD5
.text 98304 425dc99a1a2a67fbdc6facb600fd4357
.rdata 20480 2bcf7d80d4a7a40903ec70ad5816faf3
.data 8192 5df3f47501c774fc70e1be3b2cdd82bc
.rsrc 4096 a7da4916ba7073769e2ae92d60ee777b
.reloc 12288 830712fbccc2e509696d28b565f6a221

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.

More information: