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mozilla firefox setup.exe

WeDownload, Ltd

The application mozilla firefox setup.exe by WeDownload has been detected as adware by 12 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:
3a34b282a43c28e04c160670152b2f7e

SHA-1:
7f8e73365f0bdc0ddeffb73e2612789c431a4a10

SHA-256:
a4420a866ccb120367f4a2b73e221d89ee8be1e4e218472dc8d4c6e76a00bb4d

Scanner detections:
12 / 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:
5/10/2024 4:29:41 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Soft32Downloader
7.1.1

avast!
Win32:Downloader-TOV [PUP]
2014.9-151109

ESET NOD32
MSIL/Soft32Downloader (variant)
9.9444

herdProtect (fuzzy)
variant of windows 7 sp1 included setup.exe (Adware)
2015.11.9.3

K7 AntiVirus
Adware
13.176.11451

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.1149

Malwarebytes
PUP.Optional.BundleInstaller.A
v2015.11.09.03

Qihoo 360 Security
Trojan.Generic
1.0.0.1015

Reason Heuristics
PUP.WeDownload.Bundler (M)
15.9.15.14

Trend Micro House Call
TROJ_GE.54B1C332
7.2.313

Vba32 AntiVirus
Downloader.Agent
3.12.24.3

VIPRE Antivirus
Trojan.Win32.Generic
26632

File size:
591.9 KB (606,080 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 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:RwMDD4QDmDOIwow3i31NwRksyarzF8nv10nZqb5Btm:RtgQfPGFNrv104tm

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:
7.9166

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.es.todownload.com/get/file/id/.../?lp=adwords&tg=us&kw=Mozilla firefox&mt=e&ad=30651078918&pl=&ds=s&gclid=CJybqNTcgrwCFUtp7AodVmEAxQ

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