GridinSoft Threat Intelligence

TBNotifier.exe file report

Under review File reputation report
MD5 4b0f7b45ad1b59858c0a0d9fa07c9f05
Latest seen 2025-02-07 23:01:34 (a year ago)
First seen 2017-05-21 04:03:13 (8 years ago)
Size 1 MB
Publisher APN
Product Ask TBNotifier
Signed by APN LLC

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-21 04:03:13 (8 years ago); latest analysis 2025-02-07 23:01:34 (a year ago).

Publisher context

Company metadata: APN. Product metadata: Ask TBNotifier.

Digital signature

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

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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

TBNotifier.exe is a Windows file recorded in the ThreatInfo database. It is associated with Ask TBNotifier. The reported company name is APN. The current detection status is Undefined, based on the latest analysis from 2025-02-07 23:01:34 (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.

File Details

Product Name: Ask TBNotifier
Company Name: APN
MD5: 4b0f7b45ad1b59858c0a0d9fa07c9f05
Size: 1 MB
First Published: 2017-05-21 04:03:13 (8 years ago)
Latest Published: 2025-02-07 23:01:34 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-02-07 23:01:34 (a year ago)

Overview

Signed By: APN LLC
Status: Invalid (digital signature could be stolen or file could be patched)

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

Common Places:

%system%\config\systemprofile\appdata\local\microsoft\windows\temporary internet files\content.ie5\asktoolbarinstaller-orj-spe[1].7z\program files\askpartnernetwork\toolbar\updater
%system%\config\systemprofile\appdata\local\microsoft\windows\inetcache\ie\asktoolbarinstaller-orj-spe[4].7z\program files\askpartnernetwork\toolbar\updater
%system%\config\systemprofile\appdata\local\microsoft\windows\temporary internet files\content.ie5\asktoolbarinstaller-orj-spe[5].7z\program files\askpartnernetwork\toolbar\updater
%system%\config\systemprofile\appdata\local\microsoft\windows\temporary internet files\content.ie5\asktoolbarinstaller-orj-st-spe[1].7z\program files\askpartnernetwork\toolbar\updater
%system%\config\systemprofile\appdata\local\microsoft\windows\temporary internet files\content.ie5\asktoolbarinstaller-orj-spe[2].7z\program files\askpartnernetwork\toolbar\updater
%programfiles%\askpartnernetwork\toolbar\updater
%programfiles%\askpartnernetwork\toolbar\orj-spe\source\program files\askpartnernetwork\toolbar\updater
%system%\config\systemprofile\appdata\local\microsoft\windows\temporary internet files\content.ie5\asktoolbarinstaller-orj-spe[4].7z\program files\askpartnernetwork\toolbar\updater
%system%\config\systemprofile\appdata\local\microsoft\windows\temporary internet files\content.ie5\asktoolbarinstaller-orj-spe[3].7z\program files\askpartnernetwork\toolbar\updater
%sysdrive%\copia c compu toshiba 10-01-16\windows\system32\config\systemprofile\appdata\local\microsoft\windows\temporary internet files\content.ie5\asktoolbarinstaller-orj-v79l1wedxp.7z\program files\askpartnernetwork\toolbar\updater

ThreatInfo has observed TBNotifier.exe 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.

File Names:

3 observed names
A0108995.exe A0109003.exe TBNotifier.exe

This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.

Geographic signal

Observed country distribution

ThreatInfo has seen TBNotifier.exe across 31 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Taiwan
Share 14.1%
Low High activity

The strongest geographic signal for this file is Taiwan with 14.1% 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 75.5%
Windows 8.1 11.3%
Windows 10 9.3%
Windows 8 2.0%
Windows XP 1.3%
Windows Vista 0.7%

The most common operating system signal for TBNotifier.exe is Windows 7 with 75.5% 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

TBNotifier.exe 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 0x00111120
Image base 0x00400000

PE Sections:

Sections 6
Raw data 1942016

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

.text 1288192 bytes · 66.3% of section data
MD5 20bc02aded61dc4dfcf92f71310e6086
.rdata 272896 bytes · 14.1% of section data
MD5 ccf56c2c3efdc0f274d8e83036ee515e
.data 37888 bytes · 2.0% of section data
MD5 651d5d17e1445cf264f5ae95d792b904
.tls 512 bytes · 0.0% of section data
MD5 bf619eac0cdf3f68d496ea9344137e8b
.rsrc 248320 bytes · 12.8% of section data
MD5 856142ba53107f1fb06088dbab8ebd26
.reloc 94208 bytes · 4.9% of section data
MD5 b3141afabeec7bd0dff61296aef300f1

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 4b0f7b45ad1b59858c0a0d9fa07c9f05.
  • 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.