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utilfocusbase.exe

focusbase

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilfocusbase.exe by focusbase has been detected as adware by 6 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “Update focusbase”. This file is typically installed with the program focusbase by Yontoo Technology, Inc. which is a potentially unwanted software program. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
focusbase  (signed and verified)

Version:
1.0.5299.8116

MD5:
3144745bbb3f7de48a2b8b71ddfd40cc

SHA-1:
fae3c13d959e78c1e2f310c8d3c6dd8726913941

Scanner detections:
6 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
5/13/2025 2:05:02 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Focusbase
2015.0.3422

ESET NOD32
Win32/BrowseFox (variant)
8.10048

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.6.1.0

Malwarebytes
PUP.Optional.FocusBase.A
v2014.07.05.12

Qihoo 360 Security
HEUR/Malware.QVM03.Gen
1.0.0.1015

Reason Heuristics
PUP.focusbase.N
14.7.5.12

File size:
311.3 KB (318,752 bytes)

Product version:
1.0.5299.8116

Original file name:
focusbase.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\focusbase\bin\utilfocusbase.exe

Digital Signature
Signed by:
focusbase

Authority:
VeriSign, Inc.

Valid from:
4/22/2014 1:00:00 AM

Valid to:
4/23/2015 12:59:59 AM

Subject:
CN=focusbase, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=focusbase, L=Santa Monica, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
229BE95AFAF17766126629CC0A897C5F

File PE Metadata
Compilation timestamp:
7/5/2014 6:30:49 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:XxhBn8N4RFiiVjkeJJ/rNgJB5wrHKMqMiubMV0:XxhBE42iV/Sw7Kbva

Entry address:
0x4D8CE

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
302.5 KB (309,760 bytes)

Service
Display name:
Update focusbase

Type:
Win32OwnProcess


The file utilfocusbase.exe has been discovered within the following program.

focusbase  by Yontoo Technology, Inc.
focusbase is an adware web browser extension that is display banners ads as well as contextual link ads . The ads are injected by the web browser plugin (IE, FF and Chrome) and will display on any web site, even those not associated or affiliated with the publisher.
focusbase.info/support
87% remove it
 
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