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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 39 anti-malware scanners. 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. The file has been seen being downloaded from install-cdn.browsestudio.com.
Publisher:
BrowseStudio  (signed and verified)

Product:
BrowseStudio

Version:
1.0.0.3

MD5:
e9025a85cba09f853616a497f6f63b7c

SHA-1:
8e25f725711263da21f7839bf2afce564e333f70

SHA-256:
b6d92ad273503c5b30851c1e61963606cfbc3bf5b3fafd6e1b1e583a6c35e909

Scanner detections:
39 / 68

Status:
Adware

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

Analysis date:
11/24/2024 10:17:21 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CS
385

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.05.05

Avira AntiVirus
Adware/BrowseFox.aol
7.11.205.128

avast!
Win32:BrowseFox-EN [PUP]
2014.9-160116

AVG
Generic
2017.0.2863

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16116

Bitdefender
Adware.SwiftBrowse.CS
1.0.20.80

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Swiftbrowse-938
0.98/21511

Comodo Security
ApplicUnwnt
22004

Dr.Web
Trojan.Yontoo.1734
9.0.1.016

Emsisoft Anti-Malware
Adware.SwiftBrowse.CS
8.16.01.16.07

ESET NOD32
Win32/BrowseFox.AE potentially unwanted (variant)
10.11575

Fortinet FortiGate
Riskware/BrowseFox
1/16/2016

F-Prot
W32/S-f64f6ec1
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CS
11.2016-16-01_7

G Data
Adware.SwiftBrowse.CS
16.1.25

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.8.9.0

K7 AntiVirus
Unwanted-Program
13.203.15799

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.809

Malwarebytes
PUP.Optional.BrowseStudio.A
v2016.01.16.07

McAfee
Artemis!D4C0683C21B2
5600.6519

MicroWorld eScan
Adware.SwiftBrowse.CS
17.0.0.48

NANO AntiVirus
Trojan.Win32.Yontoo.dnkubo
0.30.24.1357

Norman
Adware.SwiftBrowse.CS
11.20160116

nProtect
Adware.SwiftBrowse.CS
15.05.04.01

Panda Antivirus
Trj/CI.A
16.01.16.07

Qihoo 360 Security
Win32/Virus.Adware.240
1.0.0.1015

Quick Heal
PUA.Browsestud.Gen
1.16.14.00

Reason Heuristics
PUP.Yontoo.BrowseStudio (M)
16.1.16.7

Rising Antivirus
PE:Adware.BrowseFox!6.1D8B
23.00.65.16114

Sophos
Generic PUA IG
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
9382

Trend Micro House Call
TROJ_GEN.F0C2C00BM15
7.2.16

Trend Micro
TROJ_GEN.F0C2C00BM15
10.465.16

Vba32 AntiVirus
AdWare.MSIL.Agent
3.12.26.3

VIPRE Antivirus
Yontoo
39944

Zillya! Antivirus
Backdoor.PePatch.Win32.70836
2.0.0.2166

File size:
244.7 KB (250,608 bytes)

Product version:
1.0.0.3

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:
9/1/2014 9:00:00 PM

Valid to:
9/2/2015 8:59:59 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:
11/24/2014 3:27:02 AM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:vn6oqa7ZcJ83Z2qJC0SzN+3aR4id15+s+xIaIdYvwBLjP:vOa7Zce3BCR/wxIWIBLj

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 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
 
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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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