GridinSoft Threat Intelligence
PrimeMesh.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.ExtHeur!. 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.ExtHeur!
- Recommended action
- Scan and remove
- Last analysis
- 2026-05-17 03:00:41 (2 weeks ago)
- File hash
- 34a153852b9abb9a372f705330dfdcb2
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.ExtHeur!, part of the Trojan threat category.
Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.
First seen 2026-05-17 03:00:41 (2 weeks ago); latest analysis 2026-05-17 03:00:41 (2 weeks ago).
Signed by ANSYS Inc.. 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 Trojan category for related samples and common context.
File context
PrimeMesh.dll is a Windows file recorded in the ThreatInfo database. The current detection status is Trojan.ExtHeur!, based on the latest analysis from 2026-05-17 03:00:41 (2 weeks ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If PrimeMesh.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.ExtHeur!.
File Details
| MD5: | 34a153852b9abb9a372f705330dfdcb2 |
| Size: | 113 MB |
| First Published: | 2026-05-17 03:00:41 (2 weeks ago) |
| Latest Published: | 2026-05-17 03:00:41 (2 weeks ago) |
| Status: | Trojan.ExtHeur! (on last analysis) | |
| Analysis Date: | 2026-05-17 03:00:41 (2 weeks 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: | ANSYS Inc. |
| Status: | Valid |
The signature on PrimeMesh.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:
| %programfiles%\ansys inc\ansys student\v252\aisol\bin |
ThreatInfo has observed PrimeMesh.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 PrimeMesh.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 Australia 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 PrimeMesh.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
PrimeMesh.dll is identified as pe for 64-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.
5141fefb096c1dd6c7fcf157c17b1f9f
f543c940d5605eb422d47ddb0b0120b7
afabc4310c75e6be60d515f456512d12
49f7a69c190d2f09244da0d314b264b1
ac26a5131b6e70b9dbe48fa37049bcda
8c7434245426e10d8cabb25f7f5914f5
a344d48e079a5b30308ee408f7f9361c
f19ba1014093761d965c737413a49656
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.ExtHeur!
This report identifies PrimeMesh.dll by MD5 34a153852b9abb9a372f705330dfdcb2. It is part of the Trojan 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.