GridinSoft Threat Intelligence
packw.exe 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
- 2026-03-11 23:00:28 (2 months ago)
- File hash
- 4af6babd87c2889ebb0c6130f90ee5de
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Heur!, 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 2026-03-11 23:00:28 (2 months ago); latest analysis 2026-03-11 23:00:28 (2 months ago).
Company metadata: Dassault Systemes. Product metadata: Fill-Pack Analysis.
Signed by Dassault Systemes SIMULIA Corp. 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
packw.exe is a Windows file recorded in the ThreatInfo database. It is associated with Fill-Pack Analysis. The reported company name is Dassault Systemes. The current detection status is Trojan.Heur!, based on the latest analysis from 2026-03-11 23:00:28 (2 months ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If packw.exe 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: | Fill-Pack Analysis |
| Company Name: | Dassault Systemes |
| MD5: | 4af6babd87c2889ebb0c6130f90ee5de |
| Size: | 183 MB |
| First Published: | 2026-03-11 23:00:28 (2 months ago) |
| Latest Published: | 2026-03-11 23:00:28 (2 months ago) |
| Status: | Trojan.Heur! (on last analysis) | |
| Analysis Date: | 2026-03-11 23:00:28 (2 months 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: | Dassault Systemes SIMULIA Corp |
| Status: | Valid |
The signature on packw.exe 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%\solidworks corp\solidworks plastics\software |
ThreatInfo has observed packw.exe 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 packw.exe 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 Spain 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 packw.exe 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
packw.exe is identified as pe for 64-bit 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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
edbc573c9822486316bdcb823b218aef
a871a35a94fc048f2929aedce190f820
352db9a0155bc6f32a1d8a9cdd57bad5
f9e4c6f45229260881cf9b46d32d5d93
cd86bd7b375f6c17742cdd5e42dec017
26fb93305a9b4830bbc86b75794475ed
8a85845f47b1e733ee459cb4d35b8023
b197bf2758b38f5269f561588fb97b8a
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 packw.exe by MD5 4af6babd87c2889ebb0c6130f90ee5de. 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.