GridinSoft Threat Intelligence
btfilter.sys file report
Why it matters
Evidence available for this file
Latest status is clean for this hash.
First seen 2021-09-29 20:48:23 (4 years ago); latest analysis 2021-09-29 20:48:23 (4 years ago).
Company metadata: Qualcomm Atheros. Product metadata: Windows (R) Win 7 DDK driver.
Signed by Microsoft Windows Hardware Compatibility Publisher. ThreatInfo marks this publisher as trusted for this record.
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
- Confirm the hash and publisher match the expected software.
- Review the observed locations and signature information below.
- Rescan if the file was downloaded from an unknown source or appears in an unusual path.
File context
btfilter.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 Qualcomm Atheros. The current detection status is Clean, based on the latest analysis from 2021-09-29 20:48:23 (4 years ago).
This record is currently marked as clean, but file reputation can depend on the exact path, hash, and source. Compare the MD5 and publisher data below with the file on your system.
File Details
| Product Name: | Windows (R) Win 7 DDK driver |
| Company Name: | Qualcomm Atheros |
| MD5: | 4d59c931d65393d48b3a058315d9c6f1 |
| Size: | 587 KB |
| First Published: | 2021-09-29 20:48:23 (4 years ago) |
| Latest Published: | 2021-09-29 20:48:23 (4 years ago) |
| Status: | Clean (on last analysis) | |
| Analysis Date: | 2021-09-29 20:48:23 (4 years ago) |
Overview
| Signed By: | Microsoft Windows Hardware Compatibility Publisher |
| Status: | Trusted Publisher |
ThreatInfo marks this publisher as trusted for this record, but the file hash and source should still match the expected software distribution.
Common Places:
| %localappdata%\slimware utilities inc\slimdrivers\backups\20170116t023554866394\usb |
ThreatInfo has observed btfilter.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 btfilter.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 Brazil 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 btfilter.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
btfilter.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.
f05727ba657fb5cd2cf463a9da2241e9
c8af63c1cab1cc8592d68bd06e293749
fab3a0296ad9883d3fe2a5b34bf1a292
f695f73b2092c77d364fe8d16b1cd753
641bdb6c06f97c53530a945234d3a0cd
d64192f58783f6a63a85bc448c96e28a
5f72f6358aaf65b6c394795d337ce027
9133b25c442501349f2b8fe2a1c3e96f
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 hash is currently recorded as clean
Use the MD5, publisher, signature, and observed paths in this report to verify that the file on your device is the same copy described here.