GridinSoft Threat Intelligence

tosasfapo32.dll file report

Under review File reputation report
MD5 d737d3fbe20a11bb8c5b2d2d4086178a
Latest seen 2025-02-06 23:06:04 (a year ago)
First seen 2025-02-06 23:06:04 (a year ago)
Size 776 KB
Publisher Toshiba Client Solutions Co., Ltd.
Product TOSHIBA Audio Source Filtering APO
Signed by Toshiba Client Solutions Co.,Ltd.;Microsoft Windows Hardware Compatibility Publisher

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2025-02-06 23:06:04 (a year ago); latest analysis 2025-02-06 23:06:04 (a year ago).

Publisher context

Company metadata: Toshiba Client Solutions Co., Ltd.. Product metadata: TOSHIBA Audio Source Filtering APO.

Digital signature

Signed by Toshiba Client Solutions Co.,Ltd.;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

tosasfapo32.dll is a Windows file recorded in the ThreatInfo database. It is associated with TOSHIBA Audio Source Filtering APO. The reported company name is Toshiba Client Solutions Co., Ltd.. The current detection status is Undefined, based on the latest analysis from 2025-02-06 23:06:04 (a year 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: TOSHIBA Audio Source Filtering APO
Company Name: Toshiba Client Solutions Co., Ltd.
MD5: d737d3fbe20a11bb8c5b2d2d4086178a
Size: 776 KB
First Published: 2025-02-06 23:06:04 (a year ago)
Latest Published: 2025-02-06 23:06:04 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-02-06 23:06:04 (a year ago)

Overview

Signed By: Toshiba Client Solutions Co.,Ltd.;Microsoft Windows Hardware Compatibility Publisher
Status: Valid

The signature on tosasfapo32.dll 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%\pc helpsoft driver updater\drivers

ThreatInfo has observed tosasfapo32.dll 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 tosasfapo32.dll across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Chile
Share 100.0%
Low High activity

The strongest geographic signal for this file is Chile 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 7 100.0%

The most common operating system signal for tosasfapo32.dll 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

tosasfapo32.dll is identified as pe for 32-bit systems. The subsystem is Windows GUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x00018aec
Image base 0x10000000

PE Sections:

Sections 9
Raw data 764416

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

.text 302592 bytes · 39.6% of section data
MD5 d70937a90f4ca735016845ee669a818c
RT_BSS 0 bytes · 0.0% of section data
Uncommon name
MD5 d41d8cd98f00b204e9800998ecf8427e
.rdata 381952 bytes · 50.0% of section data
MD5 7d9225675b5fc17efd4309de3baf8946
.data 45056 bytes · 5.9% of section data
MD5 1a5979f721911fbb74246d90c02d19a4
.idata 4608 bytes · 0.6% of section data
MD5 2b3fe4efdf58e1cda74790e1d37ecd44
RT_DATA 2048 bytes · 0.3% of section data
Uncommon name
MD5 b8eb40ed1f7d03b751c3131622885ed0
.00cfg 512 bytes · 0.1% of section data
Uncommon name
MD5 9eeaa36417837a08f3849ee8bc7c134a
.rsrc 13824 bytes · 1.8% of section data
MD5 ea08245165179414d1134842a86b6b1e
.reloc 13824 bytes · 1.8% of section data
MD5 ecff61adb1b6cda6539baeeba786ef2a

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 d737d3fbe20a11bb8c5b2d2d4086178a.
  • 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.