GridinSoft Threat Intelligence

AmdAS4.sys file report

Clean record File reputation report
MD5 c3e8f88b4d196110673da03e2e95d83b
Latest seen 2024-08-14 23:01:47 (2 years ago)
First seen 2017-09-20 22:02:38 (8 years ago)
Size 17 KB
Publisher Advanced Micro Devices, INC.
Product Amd AS4 Device Driver
Signed by Advanced Micro Devices, Inc.

Why it matters

Evidence available for this file

Detection

Latest status is clean for this hash.

Timeline

First seen 2017-09-20 22:02:38 (8 years ago); latest analysis 2024-08-14 23:01:47 (2 years ago).

Publisher context

Company metadata: Advanced Micro Devices, INC.. Product metadata: Amd AS4 Device Driver.

Digital signature

Signed by Advanced Micro Devices, Inc.. 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. Confirm the hash and publisher match the expected software.
  2. Review the observed locations and signature information below.
  3. Rescan if the file was downloaded from an unknown source or appears in an unusual path.

File context

AmdAS4.sys is a Windows file recorded in the ThreatInfo database. It is associated with Amd AS4 Device Driver. The reported company name is Advanced Micro Devices, INC.. The current detection status is Clean, based on the latest analysis from 2024-08-14 23:01:47 (2 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: Amd AS4 Device Driver
Company Name: Advanced Micro Devices, INC.
MD5: c3e8f88b4d196110673da03e2e95d83b
Size: 17 KB
First Published: 2017-09-20 22:02:38 (8 years ago)
Latest Published: 2024-08-14 23:01:47 (2 years ago)
Status: Clean (on last analysis)
Analysis Date: 2024-08-14 23:01:47 (2 years ago)

Overview

Signed By: Advanced Micro Devices, Inc.
Status: Valid

The signature on AmdAS4.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:

%programfiles%\drivertoolkit\download\e5401c70cc22401d51680c5e7e7059fb\$_outdir\packages\drivers\sbdrv\a4acpi\wb64a\x64
%appdata%\uniblue\powersuite\drivers\145351\chipset_amd_x555ya_yi_win81_64_ver1450210270000\packages\drivers\sbdrv\a4acpi\wb64a\x64
%commonappdata%\83fe343f-e1dc-43ce-9f1d-cf95cc9abc26\dell\drivers\_video_driver_j77dn_wn32_15.201.2501_a00\packages\drivers\sbdrv\a4acpi\wb64a\x64
%appdata%\device doctor\drivers\na23eff99912f\chipset\packages\drivers\sbdrv\a4acpi\wb64a
%appdata%\uniblue\driverscanner\drivers\149466\chipset_amd_5.12.0.31_w10x64_a\chipset_amd_5.12.0.31_w10x64\drivers\packages\drivers\sbdrv\a4acpi\wb64a
%appdata%\uniblue\driverscanner\drivers\152648\15.201-beta54-w7bt-160507a-302532e\packages\drivers\sbdrv\a4acpi\wb64a
%programfiles%\drivertoolkit\download\e5401c70cc22401d51680c5e7e7059fb\$_outdir\packages\drivers\sbdrv\a4acpi\wb64a
%programfiles%\drivertoolkit\download\c34aeb2c9c968c86211c9c169e44e419\radeon-crimson-16.4.2-sb-sata-ahci-win10-win8.1-win7-64bit\packages\drivers\sbdrv\a4acpi\wb64a
%localappdata%\slimware utilities inc\slimdrivers\backups\20200425t221221835983\acpi
%localappdata%\slimware utilities inc\slimdrivers\backups\20200425t211410161704\acpi

ThreatInfo has observed AmdAS4.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 AmdAS4.sys across 10 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country United States
Share 51.0%
Low High activity

The strongest geographic signal for this file is United States with 51.0% 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 70.6%
Windows 8.1 17.6%
Windows 7 11.8%

The most common operating system signal for AmdAS4.sys is Windows 10 with 70.6% 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

AmdAS4.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 0x00001210
Image base 0x0000000140000000

PE Sections:

Sections 8
Raw data 9216

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

.text 2048 bytes · 22.2% of section data
MD5 57d681d5307d9d667f68c447939bc59a
.rdata 1024 bytes · 11.1% of section data
MD5 1530b22f901b7dad8691425da5f3bbf3
.data 512 bytes · 5.6% of section data
MD5 043c46095689123e1f5be96c109c2f46
.pdata 512 bytes · 5.6% of section data
MD5 7acbf60abca251fe43b97d12787eba1a
PAGE 2560 bytes · 27.8% of section data
Uncommon name
MD5 6422cff7cbc9eacc8efcec1836a1aff4
INIT 1024 bytes · 11.1% of section data
Uncommon name
MD5 a3dc07307959584559dd936aa02daed7
.rsrc 1024 bytes · 11.1% of section data
MD5 6003006bf4297b48b4277f16e257bf05
.reloc 512 bytes · 5.6% of section data
MD5 06f5ac4dd24ac61ece1f2dbd14e34726

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.

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 c3e8f88b4d196110673da03e2e95d83b.
  • 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.