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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.xtremedownload.com.
Publisher:
WeDownload, Ltd  (signed and verified)

MD5:
5847396a526a5f0ed059511b4bebc55b

SHA-1:
2bc654d6e6bb34138d8100a0a931de0f76998f2f

SHA-256:
069702ee9e0e2452a2efca5a23dc1a2d4ce146233fe4f3777ed9aa3d2fa5e1eb

Scanner detections:
8 / 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:
4/26/2024 2:41:59 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Downloader-TOV [PUP]
2014.9-140413

ESET NOD32
MSIL/Soft32Downloader (variant)
8.9670

G Data
Win32.Application.Soft32Downloader
14.4.24

Malwarebytes
PUP.Optional.BundleInstaller.A
v2014.04.13.01

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.12044548
7.2.103

VIPRE Antivirus
Soft32Downloader
28212

File size:
592.8 KB (607,040 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
WeDownload, Ltd

Authority:
DigiCert Inc

Valid from:
2/6/2013 5:30:00 AM

Valid to:
2/11/2016 5:30:00 PM

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:
12/6/2009 4:20:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:XwMDD4di0miB5HISmZ4uzZr7cLpDzcTu54Ao6RmIHRx5nOB4Aum:XtgdQiPleZrgpDQ4tXpPOB4zm

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:
7.9169

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.xtremedownload.com/get/file/id/.../?lp=adwords&tg=in&kw=Mozilla&mt=e&ad=38317035153&pl=&ds=s&gclid=CMSi8ZnvwL0CFQ8DvAod900A0w

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