GridinSoft Threat Intelligence

libnspr4.dll file report

Under review File reputation report
MD5 74485152d7f2c06fe413f48c7da4ff33
Latest seen 2024-03-12 23:02:15 (2 years ago)
First seen 2017-05-22 10:22:22 (9 years ago)
Size 288 KB
Publisher Mozilla Foundation
Product Netscape Portable Runtime

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Category context

Programs that inject advertising, change browser behavior, or monetize traffic through bundled components. Related Adware reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2017-05-22 10:22:22 (9 years ago); latest analysis 2024-03-12 23:02:15 (2 years ago).

Publisher context

Company metadata: Mozilla Foundation. Product metadata: Netscape Portable Runtime.

Observed locations

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

  1. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. Run a local scan if the file appears unexpectedly or starts with Windows.

File context

libnspr4.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 2024-03-12 23:02:15 (2 years ago). ThreatInfo groups this verdict with Adware reports for broader family-level investigation.

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: 74485152d7f2c06fe413f48c7da4ff33
Size: 288 KB
First Published: 2017-05-22 10:22:22 (9 years ago)
Latest Published: 2024-03-12 23:02:15 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2024-03-12 23:02:15 (2 years ago)

Common Places:

%programfiles%\fast-search
%programfiles%\pctrunner
%programfiles%\lenovo\visualdiscovery
%programfiles%\web protect
%programfiles%\igs
%programfiles%\othersearch
%programfiles%\shopperz12082015
%programfiles%\sysprograms
%programfiles%\quicksearch
%localappdata%\tempfolder\ortmp

ThreatInfo has observed libnspr4.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 libnspr4.dll across 34 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Russian Federation
Share 10.3%
Low High activity

The strongest geographic signal for this file is Russian Federation with 10.3% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 7 42.6%
Windows 10 33.5%
Windows 8.1 18.1%
Windows XP 3.2%
Windows Vista 1.3%
Windows 8 1.3%

The most common operating system signal for libnspr4.dll is Windows 7 with 42.6% 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

libnspr4.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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x0002a607
Image base 0x10000000

PE Sections:

Sections 6
Raw data 294400

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 235008 bytes · 79.8% of section data
MD5 5ccb39073b5020378f2bc0deca3638ad
.rdata 36864 bytes · 12.5% of section data
MD5 06855d87474c33354b5f8ed88cfd4fc7
.data 7168 bytes · 2.4% of section data
MD5 aaeae391dc3b81d9550bc478203d0879
.tls 512 bytes · 0.2% of section data
MD5 bf619eac0cdf3f68d496ea9344137e8b
.rsrc 1024 bytes · 0.3% of section data
MD5 db04881da28f7d7632954a80e53d74ea
.reloc 13824 bytes · 4.7% of section data
MD5 359e4add59c979d2ebc0be8d6e72dbe9

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.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 74485152d7f2c06fe413f48c7da4ff33.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual. Use the Adware category to compare similar reports.