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mozilla firefox setup.exe

WeDownload, Ltd

The application mozilla firefox setup.exe by WeDownload has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Midia Downloader installer. 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:
5aee5b9ebcba2c38d7203ad145d33888

SHA-1:
8095c577a66a08d807665fa34f917eaf02cedb55

SHA-256:
130d8eaaa5def0168b15af69a0bc25adcec1e7513c1b83d7bfd4875666787117

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
4/26/2024 5:34:35 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WeDownload.Bundler (M)
15.12.13.10

File size:
591.9 KB (606,104 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 5:00:00 PM

Valid to:
2/11/2016 5:00:00 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 3:50:52 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:
7.9168

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 official website&mt=b&ad=33229594518&pl=&ds=s&gclid=CKP2v5DdzrsCFYVlfgodQDMANg

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