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mozilla firefox setup.exe

WeDownload, Ltd

The application mozilla firefox setup.exe by WeDownload has been detected as adware by 11 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. With this installer, users are expecting to download the free Mozilla Firefox web browser but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware. The file has been seen being downloaded from mozilla-firefox.todownload.com.
Publisher:
WeDownload, Ltd  (signed and verified)

MD5:
5fcde5b0d22200dbe251741b25a07581

SHA-1:
0917267f9ffe3691d3c94aa1e896c5a6ef1c6d10

SHA-256:
803472f0dd6d96cd5839ff1120b328694b8ef606d777729bba994094eeee9ead

Scanner detections:
11 / 68

Status:
Adware

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

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/26/2024 8:02:14 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Downloader-TOV [PUP]
2014.9-151022

ESET NOD32
MSIL/Soft32Downloader (variant)
9.9618

herdProtect (fuzzy)
variant of winrar setup.exe (Adware)
2015.10.22.8

K7 AntiVirus
Unwanted-Program
13.176.11613

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.1238

Malwarebytes
PUP.Optional.BundleInstaller.A
v2015.10.22.08

Panda Antivirus
Trj/OCJ.D
15.10.22.08

Qihoo 360 Security
Trojan.Generic
1.0.0.1015

Reason Heuristics
PUP.WeDownload.Bundler (M)
15.8.25.18

Vba32 AntiVirus
Downloader.Agent
3.12.24.3

VIPRE Antivirus
Trojan.Win32.Generic
27896

File size:
591.9 KB (606,104 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:
2/5/2013 6:00:00 PM

Valid to:
2/11/2016 6:00:00 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 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:2wMDD4+ltGEmH53K6dum0NREzJx9TABBVZ9qIApk/xWz74yP6cm:2tgSkVxufGdicIApc004m

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:
7.9167

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=Firefox&mt=e&ad=33229594518&pl=&ds=s&gclid=CMz0jZKjz7sCFTNp7AodLUsAmA

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