GridinSoft Threat Intelligence

BCMWL63a.SYS file report

Under review File reputation report
MD5 245f5d9d91cd1422c759c665ed51a8e7
Latest seen 2023-04-02 23:08:10 (3 years ago)
First seen 2023-04-02 23:08:10 (3 years ago)
Size 10 MB
Publisher Broadcom Corporation
Product Broadcom 802.11 Network Adapter wireless driver
Signed by Broadcom Corporation;Microsoft Windows Hardware Compatibility Publisher

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2023-04-02 23:08:10 (3 years ago); latest analysis 2023-04-02 23:08:10 (3 years ago).

Publisher context

Company metadata: Broadcom Corporation. Product metadata: Broadcom 802.11 Network Adapter wireless driver.

Digital signature

Signed by Broadcom Corporation;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

BCMWL63a.SYS is a Windows file recorded in the ThreatInfo database. It is associated with Broadcom 802.11 Network Adapter wireless driver. The reported company name is Broadcom Corporation. The current detection status is Undefined, based on the latest analysis from 2023-04-02 23:08:10 (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: Broadcom 802.11 Network Adapter wireless driver
Company Name: Broadcom Corporation
MD5: 245f5d9d91cd1422c759c665ed51a8e7
Size: 10 MB
First Published: 2023-04-02 23:08:10 (3 years ago)
Latest Published: 2023-04-02 23:08:10 (3 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2023-04-02 23:08:10 (3 years ago)

Overview

Signed By: Broadcom Corporation;Microsoft Windows Hardware Compatibility Publisher
Status: Valid

The signature on BCMWL63a.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:

%commonappdata%\outbyte\driver updater\2.x\temp

ThreatInfo has observed BCMWL63a.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 BCMWL63a.SYS across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Hungary
Share 100.0%
Low High activity

The strongest geographic signal for this file is Hungary 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:

Windows 10 100.0%

The most common operating system signal for BCMWL63a.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

BCMWL63a.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 0x003a4810
Image base 0x0000000140000000

PE Sections:

Sections 8
Raw data 11198976

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

.text 3857920 bytes · 34.4% of section data
MD5 95d72bceef1a53f9f81800fbc2d39684
.rdata 4503040 bytes · 40.2% of section data
MD5 c7764c4eaea0035f3a2b42e0401566b3
.data 2711552 bytes · 24.2% of section data
MD5 195bc8b63aaeca2d615ad78d5df31cab
.pdata 111616 bytes · 1.0% of section data
MD5 c7366494b5d1d569637eeb5b232746d8
PAGE 1536 bytes · 0.0% of section data
Uncommon name
MD5 89c079d7307a047670fccc3cc760c360
INIT 3584 bytes · 0.0% of section data
Uncommon name
MD5 fdb47075ce1022faf7f1462f86f9fae3
.rsrc 1024 bytes · 0.0% of section data
MD5 33e99f32a910a420ddd8cc963e8533d3
.reloc 8704 bytes · 0.1% of section data
MD5 bb7301ec06395cea0067029795997c6b

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 245f5d9d91cd1422c759c665ed51a8e7.
  • 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.