GridinSoft Threat Intelligence

SO.dll file report

Under review File reputation report
MD5 4cf8064b2fc3310589fbffb9d6af44b2
Latest seen 2025-02-07 23:01:32 (a year ago)
First seen 2017-05-31 21:03:03 (8 years ago)
Size 662 KB
Publisher APN LLC.
Product Object Model
Signed by APN LLC

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-31 21:03:03 (8 years ago); latest analysis 2025-02-07 23:01:32 (a year ago).

Publisher context

Company metadata: APN LLC.. Product metadata: Object Model.

Digital signature

Signed by APN LLC. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.

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.

SO.dll is a Windows file recorded in the ThreatInfo database. It is associated with Object Model. The reported company name is APN LLC.. The current detection status is Undefined, based on the latest analysis from 2025-02-07 23:01:32 (a year 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.

Product Name: Object Model
Company Name: APN LLC.
MD5: 4cf8064b2fc3310589fbffb9d6af44b2
Size: 662 KB
First Published: 2017-05-31 21:03:03 (8 years ago)
Latest Published: 2025-02-07 23:01:32 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-02-07 23:01:32 (a year ago)
Signed By: APN LLC
Status: Invalid (digital signature could be stolen or file could be patched)

The signature on SO.dll is not reported as trusted and valid. Invalid or suspicious signature data can indicate tampering, repackaging, or an unrelated file using copied publisher information.

%system%\config\systemprofile\appdata\local\microsoft\windows\temporary internet files\content.ie5\asktoolbarinstaller-avira-v71mzdokjf.7z\program files\askpartnernetwork\toolbar
%programfiles%\askpartnernetwork\toolbar\orj-spe\source\program files\askpartnernetwork\toolbar
%system%\config\systemprofile\appdata\local\microsoft\windows\temporary internet files\content.ie5\asktoolbarinstaller-orj-spe[6].7z\program files\askpartnernetwork\toolbar
%system%\config\systemprofile\appdata\local\microsoft\windows\temporary internet files\content.ie5\asktoolbarinstaller-orj-spe[5].7z\program files\askpartnernetwork\toolbar
%system%\config\systemprofile\appdata\local\microsoft\windows\temporary internet files\content.ie5\asktoolbarinstaller-orj-spe[8].7z\program files\askpartnernetwork\toolbar
%system%\config\systemprofile\appdata\local\microsoft\windows\temporary internet files\content.ie5\asktoolbarinstaller-orj-spe[9].7z\program files\askpartnernetwork\toolbar
%programfiles%\askpartnernetwork\toolbar
%system%\config\systemprofile\appdata\local\microsoft\windows\inetcache\ie\asktoolbarinstaller-cmg-sp3[10].7z\program files\askpartnernetwork\toolbar
%system%\config\systemprofile\appdata\local\microsoft\windows\inetcache\ie\asktoolbarinstaller-cmg-sp3[2].7z\program files\askpartnernetwork\toolbar
%system%\config\systemprofile\appdata\local\microsoft\windows\inetcache\ie\asktoolbarinstaller-cmg-sp3[1].7z\program files\askpartnernetwork\toolbar

ThreatInfo has observed SO.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.

Windows 7 45.9%
Windows 10 31.3%
Windows 8.1 20.0%
Windows XP 1.6%
Windows 8 0.9%
Windows Vista 0.2%

The most common operating system signal for SO.dll is Windows 7 with 45.9% 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.

SO.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 0x000498c1
Image base 0x10000000

PE Sections:

Sections 5
Raw data 672256

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

.text 352256 bytes · 52.4% of section data
MD5 2a4ca00a4e4ce2c4e12123c58b97f9c3
.rdata 96768 bytes · 14.4% of section data
MD5 793c45f3b4353cb2dc034a3ffd020ba6
.data 42496 bytes · 6.3% of section data
MD5 2471c796c1e27928f1a6239c71ad2aff
.rsrc 139264 bytes · 20.7% of section data
MD5 b0e038731aeab65d4b3a743bafa6073b
.reloc 41472 bytes · 6.2% of section data
MD5 b366c833186b6130f2d4e369376c9fbd

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 4cf8064b2fc3310589fbffb9d6af44b2.
  • 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.