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browsestudiouninstall.exe

BrowseStudio

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application browsestudiouninstall.exe by BrowseStudio has been detected as adware by 14 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This is the uninstaller utility registered in the Windows Control Panel for the program BrowseStudio by BrowseStudio. 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.
Publisher:
BrowseStudio  (signed and verified)

MD5:
8375c22d1ad9aebc5167449db296c46e

SHA-1:
6a6741d78a36624ab7b1fcf47a63da2c876d6d2c

SHA-256:
e07c604c49a579e8afa1810f1750d9f1c4adc7587fcb1f52cb6f50bc3b492480

Scanner detections:
14 / 68

Status:
Adware

Explanation:
This is the installer/uninstaller for the Yontoo branded (browsestudio) adware program. The main protgram is desigend to deliver advertisements to the user's web browser through injection.

Analysis date:
4/27/2024 4:04:53 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Dropped:Adware.SwiftBrowse.CS
5828403

Avira AntiVirus
Adware/BrowseFox.aol
7.11.188.80

avast!
BrowseFox-D [PUP]
141119-1

AVG
Generic
2015.0.3282

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141123

Bitdefender
Dropped:Adware.SwiftBrowse.CS
1.0.20.1635

Emsisoft Anti-Malware
Dropped:Adware.SwiftBrowse.CS
8.14.11.23.09

ESET NOD32
Win32/BrowseFox.C potentially unwanted application
7.0.302.0

F-Secure
Dropped:Adware.SwiftBrowse.CS
11.2014-23-11_1

G Data
Dropped:Adware.SwiftBrowse.CS
14.11.24

MicroWorld eScan
Dropped:Adware.SwiftBrowse.CS
15.0.0.981

Qihoo 360 Security
Win32/Virus.Adware.240
1.0.0.1015

Reason Heuristics
PUP.BrowseStudio.V
14.11.23.9

VIPRE Antivirus
Threat.4150696
35010

File size:
253 KB (259,056 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\browsestudio\browsestudiouninstall.exe

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:
12/6/2009 1:52:01 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:CZ+11CIblRevy/1RWBT53jLwZm/G/HcnUZ:EslRevs1s153jLp/G/8k

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 6F, 44, 00, E8, F1, 2B, 00, 00, A3, 84, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 2E, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8703

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

Program Uninstaller
Program name:
BrowseStudio

Display publisher:
BrowseStudio

Display version:
2014.11.23.092132

Uninstall string:
C:\Program Files (x86)\BrowseStudio\BrowseStudiouninstall.exe


The file browsestudiouninstall.exe 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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