GridinSoft Threat Intelligence
NSSecurity.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2025-11-03 23:01:56 (6 months ago); latest analysis 2025-11-13 23:01:13 (6 months ago).
Company metadata: NetSupport Ltd. Product metadata: NetSupport School.
Signed by NetSupport 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
NSSecurity.dll is a Windows file recorded in the ThreatInfo database. It is associated with NetSupport School. The reported company name is NetSupport Ltd. The current detection status is Undefined, based on the latest analysis from 2025-11-13 23:01:13 (6 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: | NetSupport School |
| Company Name: | NetSupport Ltd |
| MD5: | 68d28f3fbda2972b0ba6b18d5af9fa70 |
| Size: | 119 KB |
| First Published: | 2025-11-03 23:01:56 (6 months ago) |
| Latest Published: | 2025-11-13 23:01:13 (6 months ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-11-13 23:01:13 (6 months ago) |
Overview
| Signed By: | NetSupport Ltd |
| Status: | Valid |
The signature on NSSecurity.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%\netsupport |
ThreatInfo has observed NSSecurity.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 NSSecurity.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 Vietnam 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 NSSecurity.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
NSSecurity.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.
c2685667d14553eb934db737f2fdf5c5
678f1b79a861a5e7d9ce7f951fb9fc52
003cdd07f702d7e01b521fd4e4e5b3bc
8ecf4f8303856fd7d92ab46d415ce1ae
9745b61dd08af7f195bd856ea57c390c
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.