GridinSoft Threat Intelligence
btfilter.sys file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2018-09-22 22:06:48 (7 years ago); latest analysis 2022-04-22 23:39:35 (4 years ago).
Company metadata: Qualcomm. Product metadata: Windows (R) Win 7 DDK driver.
Signed by Qualcomm Atheros. 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
- 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
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. The current detection status is Undefined, based on the latest analysis from 2022-04-22 23:39:35 (4 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: | Windows (R) Win 7 DDK driver |
| Company Name: | Qualcomm |
| MD5: | d2e020bb32b3f1492eafc9850977b549 |
| Size: | 593 KB |
| First Published: | 2018-09-22 22:06:48 (7 years ago) |
| Latest Published: | 2022-04-22 23:39:35 (4 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2022-04-22 23:39:35 (4 years ago) |
Overview
| Signed By: | Qualcomm Atheros |
| 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:
| %commonappdata%\reviversoft\pc reviver\s-1-5-21-3034353661-3520434344-3711816147-1000\driver updater\downloads\98 |
| %localappdata%\slimware utilities inc\slimdrivers\backups\20180122t203448791978\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 2 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Russian Federation with 50.0% 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 7 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.
d7b78e01d045d02244162828fa099ec7
c992d66c770165cb01435458d35f032e
d1fa855b741391ccb150c731e2af949d
b819b7234a1fea0b1bc94c07ca23efa9
117c085047e7e20165a69c63e485c752
d64192f58783f6a63a85bc448c96e28a
9847e258ee1bbc362ecc0947f6676d11
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 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.