GridinSoft Threat Intelligence
netfilter2.sys threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Adware.Vitruvian. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.
- Detection name
- Adware.Vitruvian
- Recommended action
- Scan and remove
- Last analysis
- 2025-01-01 23:00:49 (a year ago)
- File hash
- a5baa0b2fd87f3d4b9335d2c6870cd04
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Adware.Vitruvian, part of the Adware threat category.
Programs that inject advertising, change browser behavior, or monetize traffic through bundled components. Related Adware reports help compare this file with nearby detections, publishers, and hashes.
First seen 2017-05-22 09:03:52 (9 years ago); latest analysis 2025-01-01 23:00:49 (a year ago).
Company metadata: Windows (R) Win 7 DDK provider. Product metadata: Windows (R) Win 7 DDK driver.
Signed by Praetorian Technologies, LLC. 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
- Compare the MD5 above with the file found on the device.
- Check whether the file appears in the observed locations or under one of the alternate names.
- Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the Adware category for related samples and common context.
File context
netfilter2.sys is a Windows file recorded in the ThreatInfo database. It is associated with Windows (R) Win 7 DDK driver. The reported company name is Windows (R) Win 7 DDK provider. The current detection status is Adware.Vitruvian, based on the latest analysis from 2025-01-01 23:00:49 (a year ago). ThreatInfo groups this verdict with Adware reports for broader family-level investigation.
If netfilter2.sys appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Adware.Vitruvian.
File Details
| Product Name: | Windows (R) Win 7 DDK driver |
| Company Name: | Windows (R) Win 7 DDK provider |
| MD5: | a5baa0b2fd87f3d4b9335d2c6870cd04 |
| Size: | 53 KB |
| First Published: | 2017-05-22 09:03:52 (9 years ago) |
| Latest Published: | 2025-01-01 23:00:49 (a year ago) |
| Status: | Adware.Vitruvian (on last analysis) | |
| Analysis Date: | 2025-01-01 23:00:49 (a year ago) |
Detection screenshot
The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.
Overview
| Signed By: | Praetorian Technologies, LLC |
| 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:
| %programfiles%\trackoff\netfilter\batchfiles\driver\wfp\windows7\std\amd64 |
| %system%\drivers |
| %system% |
| %programfiles%\iolo technologies\system mechanic\privacyguardian\netfilter\batchfiles\driver\wfp\windows7\std |
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 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 United States with 50.7% 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 netfilter2.sys is Windows 7 with 81.3% 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 64-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.
c457d4b57fffda3b74136a0eabfea66d
44c87272cd0660f3121da3eda4134ef1
257543e3a55d031d7c9533164997f14e
9d9b47329ea9155a2496a7c87c03ab6a
1ae2a21276c0a31bed130550ea04149d
7bae51229c80a7e5f81e5f25fd035e0e
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
GridinSoft detects this file as Adware.Vitruvian
This report identifies netfilter2.sys by MD5 a5baa0b2fd87f3d4b9335d2c6870cd04. It is part of the Adware report group. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.