GridinSoft Threat Intelligence
lmutil.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
- 2026-03-20 23:00:42 (2 months ago)
- File hash
- 66caa227875b856874a112228a19d40c
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Heur!.
First seen 2026-03-20 23:00:42 (2 months ago); latest analysis 2026-03-20 23:00:42 (2 months ago).
Company metadata: Flexera. Product metadata: FlexNet Publisher (64 bit).
Signed by Flexera Software LLC. 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
lmutil.exe is a Windows file recorded in the ThreatInfo database. It is associated with FlexNet Publisher (64 bit). The reported company name is Flexera. The current detection status is Trojan.Heur!, based on the latest analysis from 2026-03-20 23:00:42 (2 months ago).
If lmutil.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: | FlexNet Publisher (64 bit) |
| Company Name: | Flexera |
| MD5: | 66caa227875b856874a112228a19d40c |
| Size: | 1 MB |
| First Published: | 2026-03-20 23:00:42 (2 months ago) |
| Latest Published: | 2026-03-20 23:00:42 (2 months ago) |
| Status: | Trojan.Heur! (on last analysis) | |
| Analysis Date: | 2026-03-20 23:00:42 (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: | Flexera Software LLC |
| Status: | Invalid (digital signature could be stolen or file could be patched) |
The signature on lmutil.exe 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%\keysight\eesof_license_tools |
ThreatInfo has observed lmutil.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 lmutil.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 Czechia 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 lmutil.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
lmutil.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.
58602c6e810a4ab3820ef7bf3eb64479
c712c467a7ba8749058e722475e40fba
97d590b4cfb13d28b86965c07ed9d783
bba3aae61b3e9b2cffbcdaa02a485d98
f5c69368f9a2c70aba561f2df0a5d7e5
c8bb3eeae03fe1a8bfbc3d14d6497b2e
bf619eac0cdf3f68d496ea9344137e8b
9b49feec407f36eff686109f50391204
6bfe5e7027763fea036b89ce49add401
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 lmutil.exe by MD5 66caa227875b856874a112228a19d40c. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.