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mozilla firefox setup.exe

WeDownload, Ltd

The application mozilla firefox setup.exe by WeDownload has been detected as adware by 24 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.free-downloads.us.com.
Publisher:
WeDownload, Ltd  (signed and verified)

MD5:
265d88ba5507876d2cb1bed5bb6be850

SHA-1:
baa2496df7c4a855129ddaccb7daae76e295b384

SHA-256:
8d9b704764da6c590a6ddfb32262beef4ac00aba85014fe49fe37c16957841d7

Scanner detections:
24 / 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:
4/27/2024 12:24:50 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Soft32Downloader.A
854

Agnitum Outpost
PUA.Soft32Downloader
7.1.1

Avira AntiVirus
APPL/Downloader.Gen
7.11.176.134

avast!
Downloader-TOV [PUP]
141003-0

AVG
Wedownload
2015.0.3332

Bitdefender
Application.Bundler.Soft32Downloader.A
1.0.20.1380

Clam AntiVirus
Win.Trojan.Agent-754117
0.98/19476

Dr.Web
Adware.Downware.2498
9.0.1.05190

Emsisoft Anti-Malware
Application.Bundler.Soft32Downloader
14.10.03

ESET NOD32
MSIL/Soft32Downloader.C potentially unwanted application
7.0.302.0

F-Secure
Application.Bundler.Soft32Downloader
11.2014-03-10_6

G Data
Application.Bundler.Soft32Downloader
14.10.24

IKARUS anti.virus
PUA.Bundler.Soft32Downloader
t3scan.1.7.8.0

K7 AntiVirus
Unwanted-Program
13.183.13550

Kaspersky
not-a-virus:Downloader.Win32.Agent
15.0.0.494

Malwarebytes
PUP.Optional.BundleInstaller.A
v2014.10.03.04

MicroWorld eScan
Application.Bundler.Soft32Downloader.A
15.0.0.828

NANO AntiVirus
Trojan.Win32.KillFiles.ddsvpt
0.28.2.62440

Qihoo 360 Security
Trojan.Generic
1.0.0.1015

Reason Heuristics
PUP.Installer.WeDownload.V
14.10.3.14

Rising Antivirus
PE:Trojan.Win32.Generic.16A8C7AF!380159919
23.00.65.141001

Vba32 AntiVirus
Signed-AdWare.WeDownload
3.12.26.3

VIPRE Antivirus
Threat.4150696
33624

Zillya! Antivirus
Downloader.Agent.Win32.201288
2.0.0.1942

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:
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:lwMDD4z8x0bDiuWkPDBfOkAXlgmpQ5K/dQlnrH2DDm7: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:
7.9169

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.free-downloads.us.com/get/file/id/.../?lp=adwords&tg=us&kw=Firefox&mt=e&ad=43734541158&pl=&ds=s&gclid=CMP88qiljL4CFRSPfgodCGwAQA

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