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

browsestudio.dll

BrowseStudio

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module browsestudio.dll by BrowseStudio has been detected as adware by 22 anti-malware scanners. 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:

browsestudio.dll

Publisher:

BrowseStudio (signed and verified)

Product:

BrowseStudio

Version:

1.0.0.4

MD5:

05a1051cd4a724adcb1f86dd836d3efc

SHA-1:

98b066a53007243b4c04d40686f9a84d357e6f69

SHA-256:

a058c319c2fd1cfe7b6669d6f9848e1d452cb844fc4b84febe5d5036a61cdf20

Scanner detections:

22 / 68

Status:

Adware

Explanation:

Injects advertising in the web browser in various formats.

Analysis date:

1/9/2025 6:14:46 PM UTC (today)

Scan engine

Detection

Engine version

Lavasoft Ad-Aware

Adware.SwiftBrowse.CS

5895894

Agnitum Outpost

Riskware.Agent

7.1.1

Avira AntiVirus

Adware/BrowseFox.aol

7.11.189.146

AVG

Adware BrowseFox.F

2014.0.4189

Baidu Antivirus

Adware.Win32.BrowseFox

4.0.3.141129

Bitdefender

Adware.SwiftBrowse.CS

1.0.20.1665

Comodo Security

Application.Win32.BrowseFox.JM

20231

Dr.Web

Trojan.BPlug.167

9.0.1.05190

Emsisoft Anti-Malware

Adware.SwiftBrowse.CS

9.0.0.4570

ESET NOD32

Win32/BrowseFox.O potentially unwanted application

7.0.302.0

F-Secure

Adware.SwiftBrowse.CS

11.2014-29-11_7

G Data

Adware.SwiftBrowse.CS

14.11.24

K7 AntiVirus

Trojan

13.186.14174

Malwarebytes

PUP.Optional.BrowseStudio.A

v2014.11.29.11

McAfee

BrowseFox-FRR

5600.6932

MicroWorld eScan

Adware.SwiftBrowse.CS

15.0.0.999

NANO AntiVirus

Trojan.Win32.BPlug.dfohwl

0.28.6.63726

nProtect

Adware.SwiftBrowse.CS

14.11.28.01

Panda Antivirus

Trj/CI.A

14.11.29.11

Qihoo 360 Security

Win32/Virus.Adware.240

1.0.0.1015

Reason Heuristics

PUP.BrowseStudio.M

14.11.29.10

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:\users\{user}\appdata\local\microsoft\windows\inetcache\content.ie5\3mfj2vcb\browsestudio.dll

Digital Signature

Signed by:

BrowseStudio

Authority:

VeriSign, Inc.

Valid from:

9/2/2014 2:00:00 AM

Valid to:

9/3/2015 1:59:59 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:

11/29/2014 4:28:51 AM

OS version:

6.0

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

11.0

CTPH (ssdeep):

3072:tn6oqa7ZcJ83Z2qJC0SzN+3aR4id15+s+xIaIFY2HmL+:tOa7Zce3BCR/wxIugmL+

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... 
[+]

Developed / compiled with:

Microsoft Visual C++

Code size:

159 KB (162,816 bytes)

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

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

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