GridinSoft Threat Intelligence
nspr4.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2017-05-22 07:06:56 (9 years ago); latest analysis 2025-07-25 23:01:32 (10 months ago).
Company metadata: Mozilla Foundation. Product metadata: Netscape Portable Runtime.
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
nspr4.dll is a Windows file recorded in the ThreatInfo database. It is associated with Netscape Portable Runtime. The reported company name is Mozilla Foundation. The current detection status is Undefined, based on the latest analysis from 2025-07-25 23:01:32 (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: | Netscape Portable Runtime |
| Company Name: | Mozilla Foundation |
| MD5: | 5337c15152768502ff5294ab57d4fc6c |
| Size: | 244 KB |
| First Published: | 2017-05-22 07:06:56 (9 years ago) |
| Latest Published: | 2025-07-25 23:01:32 (10 months ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-07-25 23:01:32 (10 months ago) |
Common Places:
| %commonappdata%\videodownloaderultimatewinapp\cert |
| %allusersprofile%\\application data\videodownloaderultimatewinapp\cert |
| %commonappdata%\videodownloaderultimatewinapp |
| %allusersprofile%\\dati applicazioni\videodownloaderultimatewinapp |
| %allusersprofile%\\application data\videodownloaderultimatewinapp |
ThreatInfo has observed nspr4.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 nspr4.dll across 57 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is France with 27.8% 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 nspr4.dll is Windows 10 with 71.7% 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
nspr4.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.
33f93e506b5d212a42b32e42d7ede642
263452684331da53c671873953329142
3db3b3f0138d573c6d8aa53628c8d1ad
31b8f631c52524317b28689225da4d2e
7b8291a80c624fc1ce090efb0f3d556e
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.