» 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 24 anti-malware scanners. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘BrowseStudio 1.0.0.4’. Additionally, the file is typically installed by a number of programs including BrowseStudio by Yontoo Technology, Inc. and Buzzdock by Alactro LLC, both potentially unwanted software. 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:

1.0.0.4

MD5:

02653ecfa7e868ad3eae3ecfea075fc9

SHA-1:

48b43790bd0ab3d352cefa5f3364731fca159c13

SHA-256:

ec3eaf843c9fa681e1adc6eeb26eaccd0ea0e472208d2b9a8e4a75c8c02e9ced

Scanner detections:

24 / 68

Status:

Adware

Explanation:

Injects advertising in the web browser in various formats.

Analysis date:

1/9/2025 6:14:51 PM UTC (today)

Scan engine

Detection

Engine version

Lavasoft Ad-Aware

Adware.SwiftBrowse.CS

796

Agnitum Outpost

Riskware.Agent

7.1.1

Avira AntiVirus

Adware/BrowseFox.aol

7.11.189.132

AVG

BrowseFox.F

2015.0.3274

Baidu Antivirus

Adware.Win32.BrowseFox

4.0.3.141130

Bitdefender

Adware.SwiftBrowse.CS

1.0.20.1670

Comodo Security

Application.Win32.BrowseFox.JM

20225

Dr.Web

Trojan.BPlug.167

9.0.1.0334

Emsisoft Anti-Malware

Adware.SwiftBrowse.CS

8.14.11.30.01

ESET NOD32

Win32/BrowseFox (variant)

8.10799

Fortinet FortiGate

Riskware/BrowseFox

11/30/2014

F-Secure

Adware.SwiftBrowse.CS

11.2014-30-11_1

G Data

Adware.SwiftBrowse.CS

14.11.24

K7 AntiVirus

Trojan

13.186.14174

Malwarebytes

PUP.Optional.BrowseStudio.A

v2014.11.30.01

McAfee

BrowseFox-FRR

5600.6930

MicroWorld eScan

Adware.SwiftBrowse.CS

15.0.0.1002

NANO AntiVirus

Trojan.Win32.BPlug.dfohwl

0.28.6.63726

nProtect

Adware.SwiftBrowse.CS

14.11.28.01

Panda Antivirus

Trj/CI.A

14.11.30.01

Qihoo 360 Security

Win32/Virus.Adware.240

1.0.0.1015

Reason Heuristics

PUP.BHO.BrowseStudio.P

14.11.30.13

Sophos

Generic PUA EI

4.98

Vba32 AntiVirus

AdWare.SwiftBrowse

3.12.26.3

File size:

244.7 KB (250,608 bytes)

Product version:

1.0.0.4

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 3:00:00 AM

Valid to:

9/3/2015 2:59:59 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:

11/28/2014 4:26:03 AM

OS version:

6.0

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

11.0

CTPH (ssdeep):

3072:Xn6oqa7ZcJ83Z2qJC0SzN+3aR4id15+s+xIaIFY2HdLr:XOa7Zce3BCR/wxIugdLr

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:

6.3533

Developed / compiled with:

Microsoft Visual C++

Code size:

159 KB (162,816 bytes)

Internet Explorer BHO

Display name:

BrowseStudio 1.0.0.4

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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