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megabrowseuninstaller.exe

Mega Browse

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application megabrowseuninstaller.exe by Mega Browse has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. The file has been seen being downloaded from install.megabrowse.biz.
Publisher:
Mega Browse  (signed and verified)

Version:
1.0.0.0

MD5:
db5467669708856171e5a23b1a87bcc0

SHA-1:
f2d0cd7a7715429095eaf1fad2d5ed8c1664e62b

SHA-256:
19b8d85ebb74531f25ac02fe6456560fad5ef247a6a19bedaab17397b73db2b5

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:
4/18/2024 6:27:24 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.MegaBrow.Installer (M)
16.6.3.16

File size:
512.3 KB (524,576 bytes)

Product version:
1.0.0.0

Original file name:
Mega Browse Uninstaller.exe

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Mega Browse

Authority:
VeriSign, Inc.

Valid from:
1/21/2014 9:00:00 PM

Valid to:
1/22/2015 8:59:59 PM

Subject:
CN=Mega Browse, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Mega Browse, 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:
151F3F44EFA5ADB264205FBF9F779B3D

File PE Metadata
Compilation timestamp:
4/8/2014 7:49:38 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:IFQSAQv3pwAJVbRREzh3O3VpFMa08yDSa01ARh/tMQr0tZ5/ai0kP0E9kVoyDo5:a2QvZ1JxRQOlpya08yj01ARLQr5oVf85

Entry address:
0x7E05E

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:
496.5 KB (508,416 bytes)

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

http://install.megabrowse.biz/ud

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