GridinSoft Threat Intelligence
netfilter2.sys 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 2017-09-06 11:07:56 (8 years ago); latest analysis 2022-01-29 21:45:38 (4 years ago).
Company metadata: NetFilterSDK.com. Product metadata: NetFilter SDK.
Signed by Sidorov Vitaly Viktorovich IP. 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
netfilter2.sys is a Windows file recorded in the ThreatInfo database. It is associated with NetFilter SDK. The reported company name is NetFilterSDK.com. The current detection status is Undefined, based on the latest analysis from 2022-01-29 21:45:38 (4 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: | NetFilter SDK |
| Company Name: | NetFilterSDK.com |
| MD5: | 84acd5f3c6c1b72f9d0f2e3a5ee115ce |
| Size: | 65 KB |
| First Published: | 2017-09-06 11:07:56 (8 years ago) |
| Latest Published: | 2022-01-29 21:45:38 (4 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2022-01-29 21:45:38 (4 years ago) |
Overview
| Signed By: | Sidorov Vitaly Viktorovich IP |
| Status: | Valid |
The signature on netfilter2.sys 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:
| %profile%\downloads\nfsdk-demo-pf\bin\driver\tdi\i386 |
| %profile%\downloads\nfsdk-demo-pf\bin\driver\tdi |
| %sysdrive%\netfilter\bin\driver\tdi |
| %sysdrive%\downloads\nfsdk-demo-pf\bin\driver\tdi |
| %sysdrive%\temp\firewall\netfilter\bin\driver\tdi |
| %appdata%\skype\my skype received files\nfsdk-demo-pf.zip\bin\driver\tdi |
ThreatInfo has observed netfilter2.sys 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 netfilter2.sys across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Ukraine with 100.0% 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 netfilter2.sys is Windows 10 with 64.1% 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
netfilter2.sys is identified as pe for 32-bit systems. The subsystem is Native. 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.
70fecd18877d30c47d82a067e1e97da7
1a8caae86955341bc45b0e02dae9d634
b0c61c0860a8dcbb387baab38cf70fc9
26e2cb0d85237200a48b314f28fe0192
622c008f417d37bf2c3cbb888c24e515
ffff937ad59879c1cb0558bed82fbe28
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.