» browsestudiobho.dll
Overview
Analysis
File Details
Behaviors (1)
Programs (2)
Downloads (1)

browsestudiobho.dll

BrowseStudio

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module browsestudiobho.dll by BrowseStudio has been detected as adware by 20 anti-malware scanners. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘BrowseStudio’. This file is typically installed with the program BrowseStudio 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.

File name:

browsestudiobho.dll

Publisher:

BrowseStudio (signed and verified)

Product:

BrowseStudio

Version:

1.0.0.3

MD5:

b5d3afdd5e603e4222ed44fe97f7961e

SHA-1:

d3b1c9bf5b59a3ef5e77c4d54b24509febec236b

SHA-256:

a0ee779d586905c2cb8f3db9856521c64d6ccfe78e5ceadadcac7ca3a5515f3d

Scanner detections:

20 / 68

Status:

Adware

Explanation:

Injects advertising in the web browser in various formats.

Analysis date:

1/9/2025 6:06:03 PM UTC (today)

Scan engine

Detection

Engine version

Agnitum Outpost

Riskware.Agent

7.1.1

Avira AntiVirus

ADWARE/BrowseFox.Gen2

7.11.184.224

AVG

BrowseFox.F

2015.0.3292

Baidu Antivirus

Adware.Win32.BrowseFox

4.0.3.141112

Clam AntiVirus

Win.Adware.Agent-19674

0.98/21411

Comodo Security

Application.Win32.BrowseFox.JM

20065

Dr.Web

Trojan.BPlug.167

9.0.1.0316

ESET NOD32

Win32/BrowseFox (variant)

8.10712

Fortinet FortiGate

Riskware/BrowseFox

11/12/2014

K7 AntiVirus

Unwanted-Program

13.185.14021

Malwarebytes

PUP.Optional.BrowseStudio.A

v2014.11.12.04

McAfee

Artemis!B5D3AFDD5E60

5600.6948

NANO AntiVirus

Trojan.Win32.BPlug.dfohwl

0.28.6.62995

Qihoo 360 Security

HEUR/QVM30.1.Malware.Gen

1.0.0.1015

Reason Heuristics

Adware.Yontoo.BHO.P

14.11.21.23

Sophos

Generic PUA GL

4.98

Trend Micro House Call

Suspicious_GEN.F47V1117

7.2.325

Vba32 AntiVirus

AdWare.LinkSwift

3.12.26.3

VIPRE Antivirus

Trojan.Win32.Generic

34722

Zillya! Antivirus

Backdoor.PePatch.Win32.48226

2.0.0.1981

File size:

244.7 KB (250,608 bytes)

Product version:

1.0.0.3

Original file name:

BrowseStudioIEClient.dll

File type:

Dynamic link library (Win32 DLL)

Language:

English (United States)

Common path:

C:\Program Files\browsestudio\browsestudiobho.dll

Digital Signature

Signed by:

BrowseStudio

Authority:

VeriSign, Inc.

Valid from:

9/2/2014 1:00:00 AM

Valid to:

9/3/2015 12:59:59 AM

Subject:

CN=BrowseStudio, O=BrowseStudio, L=San Diego, 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:

11AE532A33120159E1078A0D3EDE88C9

File PE Metadata

Compilation timestamp:

11/11/2014 11:26:39 PM

OS version:

6.0

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

11.0

CTPH (ssdeep):

3072:UT6oqa7ZcJ83Z2qJC0SzN+3aR4id15+s+xIaI2Y9RtiLU:U6a7Zce3BCR/wxIRTtiLU

Entry address:

0x12854

Entry point:

55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 41, 8D, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, 90, 30, 03, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 44, 78, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 1C, A5, 02, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4... 
[+]

Entropy:

6.3540

Developed / compiled with:

Microsoft Visual C++

Code size:

159 KB (162,816 bytes)

Internet Explorer BHO

Display name:

BrowseStudio

CLSID:

{1e9e0e98-4ab7-40b0-a0ce-69105c1b7c92}

The file browsestudiobho.dll has been discovered within the following programs.

BrowseStudio by Yontoo Technology, Inc.

BrowseStudio is an adware program (supported by various types of advertising) that is usually bundled by third party installers and download managers.

browsestudio.com/support

81% remove it

Buzzdock by Alactro LLC

This is a web browser extension that injects advertising. From the EULA: "Buzzdock is free to download and use. Buzzdock is supported by advertising, and users will see additional ads on websites where Buzzdock features operate.

www.buzzdock.com/faq-support

79% remove it

The file browsestudiobho.dll has been seen being distributed by the following URL.

http://install-cdn.browsestudio.com/bed?bet=3

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