GridinSoft Threat Intelligence
ndefrg64.exe file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2025-07-16 23:00:42 (10 months ago); latest analysis 2025-07-16 23:00:45 (10 months ago).
Company metadata: Auslogics. Product metadata: Disk Defrag Ultimate.
Signed by Auslogics Labs Pty Ltd. 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
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- Run a local scan if the file appears unexpectedly or starts with Windows.
File context
ndefrg64.exe is a Windows file recorded in the ThreatInfo database. It is associated with Disk Defrag Ultimate. The reported company name is Auslogics. The current detection status is Undefined, based on the latest analysis from 2025-07-16 23:00:45 (10 months ago).
ThreatInfo does not have a final classification for this file yet. Use the technical details below to compare the hash, size, signature, and observed locations with the copy found on your device.
File Details
| Product Name: | Disk Defrag Ultimate |
| Company Name: | Auslogics |
| MD5: | 3d3b290f444ad2458fe832f5c56313ef |
| Size: | 118 KB |
| First Published: | 2025-07-16 23:00:42 (10 months ago) |
| Latest Published: | 2025-07-16 23:00:45 (10 months ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-07-16 23:00:45 (10 months ago) |
Overview
| Signed By: | Auslogics Labs Pty Ltd |
| Status: | Valid |
The signature on ndefrg64.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%\auslogics |
ThreatInfo has observed ndefrg64.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 ndefrg64.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 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 ndefrg64.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
ndefrg64.exe is identified as pe for 64-bit systems. The subsystem is Native. 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.
87318ac01b0021f8850ba10dadde84dd
efd25590491498c43570a0d4c39e6d6a
3fb762b157f418580a40c077a493d715
48f8242ea431eb8269a37f2ff2de2274
ea40fc0e22cdec21b763013bca100973
22fbb51fa06ecc41da4dd2a8a1c0e832
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
This file is still under review
ThreatInfo has not assigned a final verdict yet. Compare the file hash, location, signature, and publisher before trusting the file on a production system.