mozilla firefox setup.exe

WeDownload, Ltd

The application mozilla firefox setup.exe by WeDownload has been detected as adware by 8 anti-malware scanners. The program is a setup application that uses the Midia Downloader installer. During install, it bundles potentially unwanted software on a user's computer at the same time without adequate consent. The installer is marketed through download protals and search ads as the free Mozilla Firefox web browser but will also install additional software offers which include adware, PUPs and browser toolbars. The file has been seen being downloaded from mozilla-firefox.es.todownload.com.
Publisher:
WeDownload, Ltd  (signed and verified)

MD5:
5c27e913f1cb50f30bb09bc8bd881a34

SHA-1:
84c2ee95ea8938d6417c57680c8addb7a94b2df4

SHA-256:
f4de57a05858e84cb981afd96b35e2d68e0dac1a85af2842998a2905d45324f7

Scanner detections:
8 / 68

Status:
Adware

Explanation:
May bundle additional potentially unwanted software such as adware during setup.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/19/2024 5:59:33 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Downloader-TOV [PUP]
2014.9-140410

Dr.Web
Adware.Downware.2498
9.0.1.0100

ESET NOD32
MSIL/Soft32Downloader (variant)
8.9647

Malwarebytes
PUP.Optional.BundleInstaller.A
v2014.04.10.12

Qihoo 360 Security
Trojan.Generic
1.0.0.1015

Reason Heuristics
PUP.Installer.WeDownload.V
14.8.7.20

Trend Micro House Call
TROJ_GE.D2686122
7.2.100

VIPRE Antivirus
Soft32Downloader
28115

File size:
593.4 KB (607,616 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Midia Downloader (using Nullsoft Install System)

Common path:
C:\users\{user}\downloads\mozilla firefox setup.exe

Digital Signature
Signed by:

Authority:
DigiCert Inc

Valid from:
2/5/2013 7:00:00 PM

Valid to:
2/11/2016 7:00:00 AM

Subject:
CN="WeDownload, Ltd", O="WeDownload, Ltd", L=Nicosia, C=CY

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0320C5B8F7CE6E92D3665598826A4480

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:lwMDD4z8x0bDiuWkPDBfOkAXlgmpQ5K/dQlnrH2DDm:ltghsSD5o1r68/dQlD4Dm

Entry address:
0x30FA

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, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9168

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file mozilla firefox setup.exe has been seen being distributed by the following URL.

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