D3DCompiler_43 (2).dll file report

MD5 1c9b45e87528b8bb8cfa884ea0099a85
Latest seen 2026-04-23 23:00:24 (2 weeks ago)
First seen 2017-05-21 04:02:37 (8 years ago)
Size 2 MB

Why it matters

Evidence available for this file

Detection

Latest status is clean for this hash.

Timeline

First seen 2017-05-21 04:02:37 (8 years ago); latest analysis 2026-04-23 23:00:24 (2 weeks ago).

Publisher context

Company metadata: Microsoft Corporation. Product metadata: Microsoft® DirectX for Windows®.

Digital signature

Signed by Microsoft Corporation. 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. 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.

D3DCompiler_43 (2).dll is a Windows file recorded in the ThreatInfo database. It is associated with Microsoft® DirectX for Windows®. The reported company name is Microsoft Corporation. The current detection status is Clean, based on the latest analysis from 2026-04-23 23:00:24 (2 weeks 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.

Product Name: Microsoft® DirectX for Windows®
Company Name: Microsoft Corporation
MD5: 1c9b45e87528b8bb8cfa884ea0099a85
Size: 2 MB
First Published: 2017-05-21 04:02:37 (8 years ago)
Latest Published: 2026-04-23 23:00:24 (2 weeks ago)
Status: Clean (on last analysis)
Analysis Date: 2026-04-23 23:00:24 (2 weeks ago)
Signed By: Microsoft Corporation
Status: Valid

The signature on D3DCompiler_43 (2).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.

%programfiles%\ludashi\utils
%localappdata%\host app service\engine
%localappdata%\background_fault
%commonappdata%\wintools
%programfiles%\tencent\wechat
%programfiles%\ludashi\nbench
%localappdata%\mail.ru\gamecenter\chrome\3.2623.1401
%commonappdata%\windowsmsg
%localappdata%\zetagamesviewer
%appdata%\ssn

ThreatInfo has observed D3DCompiler_43 (2).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.

D3DCompiler_43.dll
d3dcompiler_43.dll
d3dcompiler_43.dll.intermediate
1c9b45e87528b8bb8cfa884ea0099a85_080717014241180_388539185.dat
D3DCompiler_43.dll.bak
D3DCompiler_43.dll.quarantined
D3DCompiler_43 (1).dll
D3DCompiler_43 (3).dll
D3DCompiler_43 (4).dll
D3DCompiler_43 (2).dll

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.

12.8%
11.2%
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The strongest geographic signal for this file is Taiwan with 12.8% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 75.4%
Windows 7 14.4%
Windows 8.1 9.0%
Windows 8 0.8%
Windows XP 0.3%
Windows Vista 0.1%

The most common operating system signal for D3DCompiler_43 (2).dll is Windows 10 with 75.4% 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.

D3DCompiler_43 (2).dll is identified as pe for 32 systems. The subsystem is Windows CUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Subsystem: Windows CUI
PE Type: pe
OS Bitness: 32
Image Base: 0x10000000
Entry Address: 0x001ec09b

PE Sections:

Name Size of data MD5
.text 2023936 3ea2e6f557864984df872fc1fee05a56
.data 16896 8505d975ab976dc1e7584a15e2cd54f7
.rsrc 1024 134934a1a52aa2b55718453af37f54f4
.reloc 57344 4c32ff4681a17300270cfb64f3f7a120

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.

More information: