home

desktop.exe

Desktop

Browse Fox

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application desktop.exe by Browse Fox has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘Web Desktop’. 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:
Microsoft  (signed by Browse Fox)

Product:
Desktop

Version:
1.0.0.0

MD5:
c30559c161af231c520a75b6f165d8cb

SHA-1:
b2a5fc72dfa68e7d32819c6b33f948940bab1e07

SHA-256:
4eec6fc6b88191fd7e1824117d32edef0f18a07af7958add3fa2b54fd02bff0f

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
4/16/2024 2:25:55 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Startup.BrowseFox.H
14.8.7.21

File size:
45.3 KB (46,368 bytes)

Product version:
1.0.0.0

Copyright:
Copyright © Microsoft 2013

Original file name:
desktop.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\desktop.exe

Digital Signature
Signed by:
Browse Fox

Authority:
VeriSign, Inc.

Valid from:
7/30/2013 8:00:00 AM

Valid to:
7/31/2014 7:59:59 AM

Subject:
CN=Browse Fox, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Browse Fox, L=Santa Monica, 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:
3DA9F504A9E9628C2224F40C9EA90C86

File PE Metadata
Compilation timestamp:
7/25/2013 10:03:43 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
768:Me/FLCSPj2LarYJ25yRy91jhbv7tfP4ox9b0GrXq/dyqxpxQKUe8ahsfqssxL:Me/FLCSPj2LarYJmRBvRfAoxOAacKpi4

Entry address:
0xB092

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...
 
[+]

Entropy:
6.1499

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

Code size:
36.5 KB (37,376 bytes)

Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
Web Desktop

Command:
C:\users\{user}\desktop.exe


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