browsestudiouninstaller.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 browsestudiouninstaller.exe by BrowseStudio has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup and installation application and has been known to bundle potentially unwanted software. The file has been seen being downloaded from install.browsestudio.com.
Publisher:
BrowseStudio  (signed and verified)

Version:
1.0.0.0

MD5:
2cafc0465b9bb17b2814827e8e2d5233

SHA-1:
f092ab67b0754368f594216a5645d72a479e1baa

SHA-256:
91b14503f2afa0da757561cc7ca93846c9d7e005a6164d23e27ecf6109b81c32

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
11/5/2024 11:13:26 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.8.2.10

File size:
541.2 KB (554,224 bytes)

Product version:
1.0.0.0

Original file name:
BrowseStudio Uninstaller.exe

File type:
Executable application (Win32 EXE)

Language:
Turkish (Turkey)

Common path:
C:\users\{user}\downloads\browsestudiouninstaller.exe

Digital Signature
Signed by:

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:
11/28/2014 3:26:30 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:YPzDqjPgPNOntVi+NAf190act7u4HGMPpthVvir0bZ:1VVZxJdpthl+2Z

Entry address:
0x85430

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
525.5 KB (538,112 bytes)

The file browsestudiouninstaller.exe has been seen being distributed by the following URL.

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