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mozilla firefox setup.exe

WeDownload, Ltd

The application mozilla firefox setup.exe by WeDownload has been detected as adware by 18 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.todownload.com.
Publisher:
WeDownload, Ltd  (signed and verified)

MD5:
03bc9a98cb081bff9b088a8e3f625ac4

SHA-1:
b6e9d68c79ce0c3467b04a9970860869765ec98d

SHA-256:
49f9a2ace91dce47d88efdb37eab82f631c8e1dc0389ed1cccd53b6b7df2d5ca

Scanner detections:
18 / 68

Status:
Adware

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

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/19/2024 10:01:24 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/Downloader.Gen
7.11.164.78

avast!
Win32:Downloader-TOV [PUP]
2014.9-140808

AVG
Wedownload
2015.0.3388

Clam AntiVirus
Win.Adware.Outbrowse-2
0.98/19185

ESET NOD32
MSIL/Soft32Downloader (variant)
8.9577

G Data
Win32.Application.Soft32Downloader
14.8.24

herdProtect (fuzzy)
variant of winrar setup(1).exe (Adware)
2014.10.7.2

K7 AntiVirus
Unwanted-Program
13.176.11524

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.3437

Malwarebytes
PUP.Optional.BundleInstaller.A
v2014.08.08.03

Panda Antivirus
Trj/OCJ.D
14.08.08.03

Qihoo 360 Security
Trojan.Generic
1.0.0.1015

Reason Heuristics
PUP.Installer.WeDownload.V
14.8.8.15

Sophos
Generic PUA MD
4.98

Trend Micro House Call
TROJ_GE.2E2DC958
7.2.220

Vba32 AntiVirus
Downloader.Agent
3.12.24.3

VIPRE Antivirus
Trojan.Win32.Generic
27652

Zillya! Antivirus
Downloader.Agent.Win32.198822
2.0.0.1852

File size:
591.8 KB (606,040 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:
WeDownload, Ltd

Authority:
DigiCert Inc

Valid from:
2/5/2013 4:00:00 PM

Valid to:
2/11/2016 4:00:00 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 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:3wMDD46DsVcCVUbFLS+E45hOKacc/88phZbQfGt4HpLKiddm:3tgGEUJLSi5h07NUxvdm

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:
7.9161

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.

http://mozilla-firefox.todownload.com/get/file/id/.../?lp=adwords&tg=us&kw=Mozilla firefox&mt=e&ad=33229594518&pl=&ds=s&gclid=CNrFpqWIuLsCFUQ6Qgodj1wAfQ

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