» 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 30 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:

1.0.0.3

MD5:

283d4780816189bf05444f75293ebf67

SHA-1:

1db289aa60be1d3f4d7e9dc3ffa75d9037c4e3a5

SHA-256:

8c02939d38892657695881aa0bf9306d3da6461a631b85c98aca561559a51b68

Scanner detections:

30 / 68

Status:

Adware

Explanation:

Injects advertising in the web browser in various formats.

Analysis date:

11/24/2024 10:52:51 PM UTC (today)

Scan engine

Detection

Engine version

Lavasoft Ad-Aware

Gen:Variant.Adware.BHO.Agent.4

806

Agnitum Outpost

PUA.Agent

7.1.1

Avira AntiVirus

APPL/BrowseFox.Gen2

7.11.166.4

AVG

Adware BrowseFox.F

2014.0.4189

Baidu Antivirus

Adware.Win32.BrowseFox

4.0.3.141121

Bitdefender

Gen:Variant.Adware.BHO.Agent.4

1.0.20.1625

Clam AntiVirus

Win.Adware.Agent-7675

0.98/21411

Comodo Security

Application.Win32.Altbrowse.AK

19119

Dr.Web

Trojan.BPlug.167

9.0.1.05190

Emsisoft Anti-Malware

Gen:Variant.Adware.BHO.Agent

8.14.11.21.02

ESET NOD32

Win32/BrowseFox.O potentially unwanted application

7.0.302.0

Fortinet FortiGate

Adware/Agent

11/21/2014

F-Prot

W32/BadBHO.AW.gen

v6.4.7.1.166

F-Secure

Gen:Variant.Adware.BHO.Agent.4

11.2014-21-11_6

G Data

Gen:Variant.Adware.BHO.Agent

14.11.24

K7 AntiVirus

Unwanted-Program

13.185.14085

Kaspersky

not-a-virus:AdWare.Win32.Agent

14.0.0.2915

Malwarebytes

PUP.Optional.Zebar.A

v2014.11.21.02

McAfee

Artemis!CD96DF17AA75

5600.6940

MicroWorld eScan

Gen:Variant.Adware.BHO.Agent.4

15.0.0.975

NANO AntiVirus

Riskware.Win32.Agent.czmzab

0.28.2.61349

nProtect

Trojan-Clicker/W32.Agent.249624.B

14.08.07.01

Panda Antivirus

Trj/CI.A

14.11.21.02

Qihoo 360 Security

HEUR/Malware.QVM30.Gen

1.0.0.1015

Reason Heuristics

PUP.BrowseStudio.M

14.11.21.23

Sophos

BrowseSmart

4.98

SUPERAntiSpyware

Adware.BrowseFox/Variant

10225

Trend Micro House Call

Suspicious_GEN.F47V0807

7.2.325

VIPRE Antivirus

Yontoo

32026

Zillya! Antivirus

Adware.Agent.Win32.9402

2.0.0.1850

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:\users\{user}\appdata\local\microsoft\windows\inetcache\content.ie5\2woj7dg6\browsestudio.dll

Digital Signature

Signed by:

BrowseStudio

Authority:

VeriSign, Inc.

Valid from:

9/1/2014 5:00:00 PM

Valid to:

9/2/2015 4:59:59 PM

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:

11/20/2014 8:37:42 AM

OS version:

6.0

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

11.0

CTPH (ssdeep):

3072:pn6oqa7ZcJ83Z2qJC0SzN+3aR4id15+s+xIaI4Y9RlLZ:pOa7Zce3BCR/wxIrTlLZ

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:

6.3536

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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