GridinSoft Threat Intelligence
npf.sys threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as General Threat. 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
- General Threat
- Recommended action
- Scan and remove
- Last analysis
- 2022-12-13 23:17:41 (3 years ago)
- File hash
- 1f4c66ce38f9430ecc6858a3c5350702
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as General Threat.
First seen 2022-12-13 23:17:41 (3 years ago); latest analysis 2022-12-13 23:17:41 (3 years ago).
Company metadata: CACE Technologies. Product metadata: WinPcap.
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.
File context
npf.sys is a Windows file recorded in the ThreatInfo database. It is associated with WinPcap. The reported company name is CACE Technologies. The current detection status is General Threat, based on the latest analysis from 2022-12-13 23:17:41 (3 years ago).
If npf.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 General Threat.
File Details
| Product Name: | WinPcap |
| Company Name: | CACE Technologies |
| MD5: | 1f4c66ce38f9430ecc6858a3c5350702 |
| Size: | 41 KB |
| First Published: | 2022-12-13 23:17:41 (3 years ago) |
| Latest Published: | 2022-12-13 23:17:41 (3 years ago) |
| Status: | General Threat (on last analysis) | |
| Analysis Date: | 2022-12-13 23:17:41 (3 years 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.
Common Places:
| %sysdrive%\software\selfishnet-downtoload.com |
ThreatInfo has observed npf.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 npf.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 Morocco 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 npf.sys 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
npf.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.
7d4f3a7fb2febb0121f9531b4820bbe0
899cb40e5608d899e411cb3185900d6f
9f5fcbe9ce4087e36c46a9b9ecbdb1a6
482c846e0df65752bf0d3ed10bc78510
2bb1c6df36ca1d36cec357b4c38cffb9
2519fdadf50e29f75ab58a89e9f1d3a5
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 General Threat
This report identifies npf.sys by MD5 1f4c66ce38f9430ecc6858a3c5350702. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.