GridinSoft Threat Intelligence

amdkmafd.stz file report

Under review File reputation report
MD5 275b6f698cbec36c42d3abd7ee049ba1
Latest seen 2021-12-06 21:14:52 (4 years ago)
First seen 2017-06-23 23:15:01 (8 years ago)
Size 48 KB
Publisher Advanced Micro Devices, Inc.
Product AMD Driver
Signed by Advanced Micro Devices, Inc.

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-06-23 23:15:01 (8 years ago); latest analysis 2021-12-06 21:14:52 (4 years ago).

Publisher context

Company metadata: Advanced Micro Devices, Inc.. Product metadata: AMD Driver.

Digital signature

Signed by Advanced Micro Devices, Inc.. The signature is reported as valid, but signed files can still be bundled or abused.

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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

amdkmafd.stz is a Windows file recorded in the ThreatInfo database. It is associated with AMD Driver. The reported company name is Advanced Micro Devices, Inc.. The current detection status is Undefined, based on the latest analysis from 2021-12-06 21:14:52 (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: AMD Driver
Company Name: Advanced Micro Devices, Inc.
MD5: 275b6f698cbec36c42d3abd7ee049ba1
Size: 48 KB
First Published: 2017-06-23 23:15:01 (8 years ago)
Latest Published: 2021-12-06 21:14:52 (4 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-12-06 21:14:52 (4 years ago)

Overview

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

The signature on amdkmafd.stz 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%\c4fdd0e8-cf98-40d7-80a9-80f605c031c7\dell\drivers\video_driver_rgxfj_wn32_21.19.128.4_a01\packages\drivers\amdkmafd\wt64a
%commonappdata%\c4fdd0e8-cf98-40d7-80a9-80f605c031c7\dell\drivers\video_driver_rgxfj_wn32_21.19.128.4_a01\packages\drivers\display\wt6a_inf\b306854
%commonappdata%\d711c3a1-1752-47bb-90f5-5649820f9e6b\dell\drivers\video_driver_j8k2w_wn32_16.400.3101_a03\packages\drivers\display\wt6a_inf\b308420
%commonappdata%\14a97db0-a67b-4ba5-b2aa-13d7a3bca73b\dell\drivers\video_driver_ffyvx_wn32_16.400.2301_a02\packages\drivers\amdkmafd\wt64a
%commonappdata%\14a97db0-a67b-4ba5-b2aa-13d7a3bca73b\dell\drivers\video_driver_ffyvx_wn32_16.400.2301_a02\packages\drivers\display\wt6a_inf\b306854
%commonappdata%\22fd48d8-3b73-45b3-8fbe-42f961e26f61\dell\drivers\video_driver_ffyvx_wn32_16.400.2301_a02\packages\drivers\amdkmafd\wt64a
%commonappdata%\20aa3f48-071c-480e-b572-49796efca13e\dell\drivers\video_driver_ffyvx_wn32_16.400.2301_a02\packages\drivers\display\wt6a_inf\b306854
%commonappdata%\20aa3f48-071c-480e-b572-49796efca13e\dell\drivers\video_driver_ffyvx_wn32_16.400.2301_a02\packages\drivers\amdkmafd\wt64a
%commonappdata%\22fd48d8-3b73-45b3-8fbe-42f961e26f61\dell\drivers\video_driver_ffyvx_wn32_16.400.2301_a02\packages\drivers\display\wt6a_inf\b306854
%commonappdata%\3d7ccc89-8199-4a04-b1b2-63e57bf00b48\dell\drivers\video_driver_3mvgd_wn32_21.19.136.0_a00\packages\drivers\display\wt6a_inf\b307581

ThreatInfo has observed amdkmafd.stz 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.

File Names:

2 observed names
amdkmafd.sys amdkmafd.stz

This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.

Geography:

13 observed countries
45.6%
14.0%
12.3%
7.0%
3.5%
3.5%
3.5%
1.8%
1.8%
1.8%
1.8%
1.8%
1.8%

The strongest geographic signal for this file is Brazil with 45.6% 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 98.2%
Windows 7 1.8%

The most common operating system signal for amdkmafd.stz is Windows 10 with 98.2% 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

amdkmafd.stz 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 0x00007010
Image base 0x0000000000010000

PE Sections:

Sections 8
Raw data 14336

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

.text 6144 bytes · 42.9% of section data
MD5 dce4bb68bb43b5cdadcf57098092698d
.rdata 2048 bytes · 14.3% of section data
MD5 6f20b39b727240459863a59a221c7754
.data 512 bytes · 3.6% of section data
MD5 ee8e428290ec42160c5e2a30f80215a5
.pdata 1024 bytes · 7.1% of section data
MD5 55399153afbe008e03b7c888695d0f6c
PAGE 1024 bytes · 7.1% of section data
Uncommon name
MD5 5d3dcd38c6ca9adc53d6ae23899a6f64
INIT 2048 bytes · 14.3% of section data
Uncommon name
MD5 6de5d4efb7f184a01c2da8f5f13b84d8
.rsrc 1024 bytes · 7.1% of section data
MD5 de97fb8ec98836ab13e90b2bf27a30a8
.reloc 512 bytes · 3.6% of section data
MD5 cffa7e2d347d5f0dd9c339a72b51465f

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 275b6f698cbec36c42d3abd7ee049ba1.
  • 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.