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focusbase.FirstRun.exe

FirstRun

focusbase

The Yontoo branded FirstRun executable is distributed as part of a Yontoo product bundle and is desigend to install components of this ad-supported (injection) program as well as 'call home' to inform the server that the extension was installed and may request additional instructions. The application focusbase.FirstRun.exe by focusbase has been detected as adware by 16 anti-malware scanners. 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)

Product:
FirstRun

Version:
1.0.0.0

MD5:
51d9260c430b39b92ae6f783d92df982

SHA-1:
c455f1663a0931ccfb597c9ae29bafd82cd6ed22

SHA-256:
ab0bb342088cfbfb1ab19af3f771f4ac9e0e421224d97a6764f1c72fde794231

Scanner detections:
16 / 68

Status:
Adware

Explanation:
Part of the Yontoo ad injection web browser add-on.

Analysis date:
4/25/2024 6:37:27 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/BrowseFox.Gen
7.11.169.74

AVG
Focusbase
2015.0.3304

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14111

Comodo Security
UnclassifiedMalware
18849

Dr.Web
Trojan.BPlug.183
9.0.1.0305

ESET NOD32
MSIL/BrowseFox.G potentially unwanted application
8.7.0.302.0

IKARUS anti.virus
AdWare.MPlug
t3scan.1.7.5.0

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.3015

Malwarebytes
PUP.Optional.Sambreel.A
v2014.11.01.02

McAfee
Trojan.Artemis!21F188320E52
5600.6960

Panda Antivirus
Adware/BrowserFox
14.11.01.02

Qihoo 360 Security
Win32/Virus.Adware.e4c
1.0.0.1015

Reason Heuristics
Adware.Yontoo.focusbase.R
14.11.1.2

Sophos
Generic PUA MI
4.98

Trend Micro House Call
Suspicious_GEN.F47V0622
7.2.305

VIPRE Antivirus
Yontoo
32552

File size:
1.1 MB (1,123,616 bytes)

Product version:
1.0.0.0

Copyright:
Copyright © 2014

Original file name:
focusbase.FirstRun.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\focusbase\focusbase.firstrun.exe

Digital Signature
Signed by:
focusbase

Authority:
VeriSign, Inc.

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

Valid to:
4/23/2015 3:59:59 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:
8/26/2014 11:04:30 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:Ogt+L3a/gfoKmpycBcqgkGvH2BsRNz3MlAzoSqgV4Aq:Ogg3a/EmDBvGvWBsRx3MlA0jgdq

Entry address:
0x1121C2

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, 02, 00, 10, 00, 00, 00, 20, 00, 00, 80, 18, 00, 00, 00, 34, 03, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 38, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.9252

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

Code size:
1.1 MB (1,114,624 bytes)

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