GridinSoft Threat Intelligence

mshtml.dll threat report

Detected as Trojan.Heur! File reputation report
MD5 5b1a95b5343ab5c142c82ac042209b1d
Latest seen 2026-05-16 03:00:43 (2 weeks ago)
First seen 2026-05-16 03:00:43 (2 weeks ago)
Size 17 MB
Publisher Microsoft

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
2026-05-16 03:00:43 (2 weeks ago)
File hash
5b1a95b5343ab5c142c82ac042209b1d
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.Heur!, part of the Trojan threat category.

Category context

Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2026-05-16 03:00:43 (2 weeks ago); latest analysis 2026-05-16 03:00:43 (2 weeks ago).

Publisher context

Company metadata: Microsoft. Product metadata: Microsoft Universal Download and Install.

Observed locations

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

  1. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. 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.

mshtml.dll is a Windows file recorded in the ThreatInfo database. It is associated with Microsoft Universal Download and Install. The reported company name is Microsoft. The current detection status is Trojan.Heur!, based on the latest analysis from 2026-05-16 03:00:43 (2 weeks ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.

If mshtml.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!.

Product Name: Microsoft Universal Download and Install
Company Name: Microsoft
MD5: 5b1a95b5343ab5c142c82ac042209b1d
Size: 17 MB
First Published: 2026-05-16 03:00:43 (2 weeks ago)
Latest Published: 2026-05-16 03:00:43 (2 weeks ago)
Status: Trojan.Heur! (on last analysis)
Analysis Date: 2026-05-16 03:00:43 (2 weeks ago)
mshtml.dll 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.

%sysdrive%\larrys data\deleted or lost\local disk (e)\lost\lost8511_1

ThreatInfo has observed mshtml.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.

Windows 10 100.0%

The most common operating system signal for mshtml.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.

mshtml.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.

Format pe
Architecture 64-bit
Subsystem Windows CUI
Entry point 0x001ff260
Image base 0x0000000180000000

PE Sections:

Sections 7
Raw data 10768384

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 2180608 bytes · 20.3% of section data
MD5 592c4d5559cfb6fe46694df131f2d3b0
.rdata 8420864 bytes · 78.2% of section data
Large raw data
MD5 ddfa26a5ebe86f38861b8cd098607d7a
.data 19456 bytes · 0.2% of section data
MD5 edb321272caf576240fb2616ceceba31
.pdata 119808 bytes · 1.1% of section data
MD5 f220c67dfc561f9216a3be86a6b78ccc
.fptable 512 bytes · 0.0% of section data
Uncommon name
MD5 bf619eac0cdf3f68d496ea9344137e8b
.rsrc 1024 bytes · 0.0% of section data
MD5 594dae904f93fb0791148c6a41c0c0ce
.reloc 26112 bytes · 0.2% of section data
MD5 26744811628c640c7286634f9cc4e64d

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 mshtml.dll by MD5 5b1a95b5343ab5c142c82ac042209b1d. 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.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 5b1a95b5343ab5c142c82ac042209b1d.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found. Use the Trojan category to compare similar reports.