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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’. 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.
Publisher:
BrowseStudio  (signed and verified)

Product:
BrowseStudio

Version:
1.0.0.4

MD5:
ef8dd2586cd35922a979d16aa4aafc71

SHA-1:
9da34acd15619ea883e11cb9cfe0148449285b29

SHA-256:
b3b6af561c1311be3874f960517dac26e5d0deca1aef7a2628a2c2f1ba9fc351

Scanner detections:
24 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
11/5/2024 11:19:16 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CS
797

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
Adware/BrowseFox.aol
7.11.189.56

AVG
BrowseFox.F
2015.0.3275

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141129

Bitdefender
Adware.SwiftBrowse.CS
1.0.20.1665

Comodo Security
Application.Win32.BrowseFox.JM
20212

Dr.Web
Trojan.BPlug.167
9.0.1.0333

Emsisoft Anti-Malware
Adware.SwiftBrowse.CS
8.14.11.29.05

ESET NOD32
Win32/BrowseFox (variant)
8.10793

Fortinet FortiGate
Riskware/BrowseFox
11/29/2014

F-Secure
Adware.SwiftBrowse.CS
11.2014-29-11_7

G Data
Adware.SwiftBrowse.CS
14.11.24

K7 AntiVirus
Trojan
13.186.14161

Malwarebytes
PUP.Optional.BrowseStudio.A
v2014.11.29.05

McAfee
BrowseFox-FRR
5600.6931

MicroWorld eScan
Adware.SwiftBrowse.CS
15.0.0.999

NANO AntiVirus
Trojan.Win32.BPlug.dfohwl
0.28.6.63726

nProtect
Adware.SwiftBrowse.CS
14.11.27.01

Panda Antivirus
Trj/CI.A
14.11.29.05

Qihoo 360 Security
HEUR/QVM30.1.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.BHO.BrowseStudio.P
14.11.29.17

Sophos
Generic PUA JN
4.98

Vba32 AntiVirus
AdWare.SwiftBrowse
3.12.26.3

File size:
244.7 KB (250,608 bytes)

Product version:
1.0.0.4

Copyright:
(c) BrowseStudio. All rights reserved.

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 10:00:00 AM

Valid to:
9/3/2015 9:59:59 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:
11/27/2014 7:44:36 AM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:Pn6oqa7ZcJ83Z2qJC0SzN+3aR4id15+s+xIaIpY2HdL7:POa7Zce3BCR/wxICgdL7

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:
6.3531

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 program.

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
 
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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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