GridinSoft Threat Intelligence

rtkbtfilter.sys file report

Under review File reputation report
MD5 a3dc9b057b4bd2cec65f50a5146cecc2
Latest seen 2022-09-30 23:14:41 (3 years ago)
First seen 2022-09-12 23:57:45 (3 years ago)
Size 788 KB
Publisher Realtek Semiconductor Corporation
Product Bluetooth Software
Signed by WDKTestCert rock_ding,132294277479436509;Microsoft Windows Hardware Compatibility Publisher

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2022-09-12 23:57:45 (3 years ago); latest analysis 2022-09-30 23:14:41 (3 years ago).

Publisher context

Company metadata: Realtek Semiconductor Corporation. Product metadata: Bluetooth Software.

Digital signature

Signed by WDKTestCert rock_ding,132294277479436509;Microsoft Windows Hardware Compatibility Publisher. The signature is reported as valid, but signed files can still be bundled or abused.

Observed locations

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

  1. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. Run a local scan if the file appears unexpectedly or starts with Windows.

File context

rtkbtfilter.sys is a Windows file recorded in the ThreatInfo database. It is associated with Bluetooth Software. The reported company name is Realtek Semiconductor Corporation. The current detection status is Undefined, based on the latest analysis from 2022-09-30 23:14:41 (3 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: Bluetooth Software
Company Name: Realtek Semiconductor Corporation
MD5: a3dc9b057b4bd2cec65f50a5146cecc2
Size: 788 KB
First Published: 2022-09-12 23:57:45 (3 years ago)
Latest Published: 2022-09-30 23:14:41 (3 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2022-09-30 23:14:41 (3 years ago)

Overview

Signed By: WDKTestCert rock_ding,132294277479436509;Microsoft Windows Hardware Compatibility Publisher
Status: Valid

The signature on rtkbtfilter.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:

%system%

ThreatInfo has observed rtkbtfilter.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 rtkbtfilter.sys across 3 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Colombia
Share 50.0%
Low High activity

The strongest geographic signal for this file is Colombia 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:

Windows 10 100.0%

The most common operating system signal for rtkbtfilter.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

rtkbtfilter.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.

Format pe
Architecture 64-bit
Subsystem Native
Entry point 0x000787c0
Image base 0x0000000140000000

PE Sections:

Sections 8
Raw data 764928

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 509952 bytes · 66.7% of section data
MD5 5961d20721d4cb324d4747230d86b0e0
.rdata 23040 bytes · 3.0% of section data
MD5 ef615db70979f614e123a842760928c7
.data 166912 bytes · 21.8% of section data
MD5 6232c9b1e2aecb226a0b44c97e97b7dc
.pdata 12288 bytes · 1.6% of section data
MD5 b7f7a57d5d06246f067bbcc9d33971c4
PAGE 41984 bytes · 5.5% of section data
Uncommon name
MD5 a951fe5093fbff5a670a1c61c403f17c
INIT 3072 bytes · 0.4% of section data
Uncommon name
MD5 b77c49b2fa88f0990b544e8d40487832
.rsrc 1536 bytes · 0.2% of section data
MD5 eb1fcba6e04306b6c261da2c5a6560ae
.reloc 6144 bytes · 0.8% of section data
MD5 3ca9fc6fabaf3231ab3a534b0e4f97d6

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.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with a3dc9b057b4bd2cec65f50a5146cecc2.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual.