GridinSoft Threat Intelligence
ac3plug.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Trojan.Heur!. 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
- Trojan.Heur!
- Recommended action
- Scan and remove
- Last analysis
- 2022-09-25 23:55:28 (3 years ago)
- File hash
- 39b9b4d1249f96a43bc3841a6c0d6af2
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Heur!.
First seen 2022-02-27 23:13:07 (4 years ago); latest analysis 2022-09-25 23:55:28 (3 years ago).
Company metadata: Sony Creative Software Inc.. Product metadata: Sony AC-3 Encoder.
Signed by Sony Creative Software Inc. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.
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.
File context
ac3plug.dll is a Windows file recorded in the ThreatInfo database. It is associated with Sony AC-3 Encoder. The reported company name is Sony Creative Software Inc.. The current detection status is Trojan.Heur!, based on the latest analysis from 2022-09-25 23:55:28 (3 years ago).
If ac3plug.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 Trojan.Heur!.
File Details
| Product Name: | Sony AC-3 Encoder |
| Company Name: | Sony Creative Software Inc. |
| MD5: | 39b9b4d1249f96a43bc3841a6c0d6af2 |
| Size: | 5 MB |
| First Published: | 2022-02-27 23:13:07 (4 years ago) |
| Latest Published: | 2022-09-25 23:55:28 (3 years ago) |
| Status: | Trojan.Heur! (on last analysis) | |
| Analysis Date: | 2022-09-25 23:55:28 (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: | Sony Creative Software Inc |
| Status: | Invalid (digital signature could be stolen or file could be patched) |
The signature on ac3plug.dll is not reported as trusted and valid. Invalid or suspicious signature data can indicate tampering, repackaging, or an unrelated file using copied publisher information.
Common Places:
| %programfiles%\sony\vegas pro 13.0\fileio plug-ins |
ThreatInfo has observed ac3plug.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 ac3plug.dll across 2 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Spain with 50.0% 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 ac3plug.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
ac3plug.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.
e4639992b81b58486a7716371fb42261
4f837f38db5f209ab022a24a60e12021
b88c9be97073ee424d2e2171e760c0df
d322d497f3eeea99f20c0ca208a4baa2
2bc067cd9b49724e685d0bb15379040a
5847bddc5889bf496cbaa554639845c6
14d1caef4d34950dc9c84af8c074ec10
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 Trojan.Heur!
This report identifies ac3plug.dll by MD5 39b9b4d1249f96a43bc3841a6c0d6af2. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.