GridinSoft Threat Intelligence
ProtocolFilters.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2022-07-02 23:14:59 (3 years ago); latest analysis 2023-10-02 23:26:34 (2 years ago).
Company metadata: NetFilterSDK.com. 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
ProtocolFilters.dll is a Windows file recorded in the ThreatInfo database. It is associated with NetFilterSDK. The reported company name is NetFilterSDK.com. The current detection status is Undefined, based on the latest analysis from 2023-10-02 23:26:34 (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 |
| Company Name: | NetFilterSDK.com |
| MD5: | 414e7d9933da5a1e177a34067844c9f2 |
| Size: | 686 KB |
| First Published: | 2022-07-02 23:14:59 (3 years ago) |
| Latest Published: | 2023-10-02 23:26:34 (2 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2023-10-02 23:26:34 (2 years ago) |
Overview
| Signed By: | Protected Antivirus Limited |
| Status: | Valid |
The signature on ProtocolFilters.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% |
| %commonappdata%\totalav\updates\5_17_470 |
ThreatInfo has observed ProtocolFilters.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 ProtocolFilters.dll across 13 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Egypt 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 ProtocolFilters.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
ProtocolFilters.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.
99643555b4c3c3f0a3781bef41570d22
af0269fcc078ea5c6097750c087a5ac4
019e84ca9b15b33077f56246ca5da8fc
bc78143abd047cc5f6b5879ec172b18a
23d0109a354e4e5f17922a76656cf4bd
45df6393dae202885ec3c427844c5e7e
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.