GridinSoft Threat Intelligence
HDAudioExt.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Suspicious Object. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.
- Detection name
- Suspicious Object
- Recommended action
- Scan and remove
- Last analysis
- 2022-11-04 23:13:28 (3 years ago)
- File hash
- cd9042ba6f574775b1b321bc8aec3cb0
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Suspicious Object, part of the Susp threat category.
Suspicious files with signals that require additional review before trust. Related Susp reports help compare this file with nearby detections, publishers, and hashes.
First seen 2022-11-04 23:13:28 (3 years ago); latest analysis 2022-11-04 23:13:28 (3 years ago).
Company metadata: NVIDIA Corporation. Product metadata: NVIDIA Install Application.
Signed by NVIDIA Corporation;Microsoft Windows Hardware Compatibility Publisher. The signature is reported as valid, but signed files can still be bundled or abused.
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
- Compare the MD5 above with the file found on the device.
- Check whether the file appears in the observed locations or under one of the alternate names.
- Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the Susp category for related samples and common context.
File context
HDAudioExt.dll is a Windows file recorded in the ThreatInfo database. It is associated with NVIDIA Install Application. The reported company name is NVIDIA Corporation. The current detection status is Suspicious Object, based on the latest analysis from 2022-11-04 23:13:28 (3 years ago). ThreatInfo groups this verdict with Susp reports for broader family-level investigation.
If HDAudioExt.dll appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Suspicious Object.
File Details
| Product Name: | NVIDIA Install Application |
| Company Name: | NVIDIA Corporation |
| MD5: | cd9042ba6f574775b1b321bc8aec3cb0 |
| Size: | 873 KB |
| First Published: | 2022-11-04 23:13:28 (3 years ago) |
| Latest Published: | 2022-11-04 23:13:28 (3 years ago) |
| Status: | Suspicious Object (on last analysis) | |
| Analysis Date: | 2022-11-04 23:13:28 (3 years ago) |
Detection screenshot
The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.
Overview
| Signed By: | NVIDIA Corporation;Microsoft Windows Hardware Compatibility Publisher |
| Status: | Valid |
The signature on HDAudioExt.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:
| %appdata% |
ThreatInfo has observed HDAudioExt.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 HDAudioExt.dll across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Argentina 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:
The most common operating system signal for HDAudioExt.dll 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
HDAudioExt.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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
68643c9f0955a039c8cc7d8c261f6540
234210033e0a050f53eeb1ea2d0addc8
aa7335ee640ba701f28637c5b58c4df8
bf619eac0cdf3f68d496ea9344137e8b
19890e5421d0d4e1b74638b1a00acc8a
57b99f1bb6c0cff7331fb505324cb6f2
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
GridinSoft detects this file as Suspicious Object
This report identifies HDAudioExt.dll by MD5 cd9042ba6f574775b1b321bc8aec3cb0. It is part of the Susp report group. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.