GridinSoft Threat Intelligence
Defrag.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2023-02-03 23:40:53 (3 years ago); latest analysis 2023-02-03 23:40:53 (3 years ago).
Company metadata: YL Software. Product metadata: WinUtilities DiskDefrag Module.
Signed by Suining YiLong Software Store. 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
Defrag.dll is a Windows file recorded in the ThreatInfo database. It is associated with WinUtilities DiskDefrag Module. The reported company name is YL Software. The current detection status is Undefined, based on the latest analysis from 2023-02-03 23:40:53 (3 years 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: | WinUtilities DiskDefrag Module |
| Company Name: | YL Software |
| MD5: | 24a237e54e2b5aecba47c3925d10e893 |
| Size: | 231 KB |
| First Published: | 2023-02-03 23:40:53 (3 years ago) |
| Latest Published: | 2023-02-03 23:40:53 (3 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2023-02-03 23:40:53 (3 years ago) |
Overview
| Signed By: | Suining YiLong Software Store |
| Status: | Valid |
The signature on Defrag.dll 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% |
ThreatInfo has observed Defrag.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 Defrag.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 Brazil 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 Defrag.dll is Windows 7 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
Defrag.dll is identified as pe for 32-bit systems. The subsystem is Windows GUI. 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.
66f7f04f1f6069bcf8e2ecc445ee02a1
c5337430f18223aa0676972552c57584
6c57f25e9bf42b5d794a5c1a87f1214a
a6b0f239848dc33f830646b92325af5f
6a98277376fc2fb1e65015a758c8ac16
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.