GridinSoft Threat Intelligence
windiag.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
- 2026-03-31 23:01:13 (2 months ago)
- File hash
- 61f067acb9c1671aca2957d8b4434d68
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 2026-03-31 23:01:13 (2 months ago); latest analysis 2026-03-31 23:01:13 (2 months ago).
Company metadata: Microsoft Corporation. Product metadata: Microsoft® Windows® Operating System.
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
windiag.dll is a Windows file recorded in the ThreatInfo database. It is associated with Microsoft® Windows® Operating System. The reported company name is Microsoft Corporation. The current detection status is Trojan.ExtHeur!, based on the latest analysis from 2026-03-31 23:01:13 (2 months ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If windiag.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
| Product Name: | Microsoft® Windows® Operating System |
| Company Name: | Microsoft Corporation |
| MD5: | 61f067acb9c1671aca2957d8b4434d68 |
| Size: | 860 KB |
| First Published: | 2026-03-31 23:01:13 (2 months ago) |
| Latest Published: | 2026-03-31 23:01:13 (2 months ago) |
| Status: | Trojan.ExtHeur! (on last analysis) | |
| Analysis Date: | 2026-03-31 23:01:13 (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.
Common Places:
| %windir%\softwaredistribution\download\2872492dbc4ede9952d6db4964ade180\package_for_rollupfix~~amd64~~26100.8138.1.3 |
ThreatInfo has observed windiag.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 windiag.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 United States 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 windiag.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
windiag.dll 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.
f986254f25ad4ae7118f2cb75c2ca354
f579c62d1230bd09ebc5eb32928a956f
e4678dbf1b2fee8d943c4b83a46a00b5
137cc12058e4ba3f33f8efa9b4ae3cf8
d09c6684e70dbe380ab1177a6a88612f
cdd92a4f5451a6f25b33322441393f89
d03e9e3a3868aae517490a1bb1937396
3c02f58880a764cda461bc11e6286da0
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 windiag.dll by MD5 61f067acb9c1671aca2957d8b4434d68. 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.