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firefox_setup.exe

Generic

Download Stream

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application firefox_setup.exe, “Generic Setup ” by Download Stream 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 installCore 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.
Publisher:
Software internet   (signed by Download Stream)

Product:
Generic

Description:
Generic Setup

Version:
1.3.2.3

MD5:
f144d683662a5de9e24a23659a3aea17

SHA-1:
9842acfdaf2b203c83ced74839703342bf31d100

SHA-256:
3e6880915bd5f4e9392ce7f961675b89d2a15fbad3369810ee08141b9e1c272a

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 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:
12/27/2024 7:30:28 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.Download.Installer (M)
16.5.11.8

File size:
775.2 KB (793,768 bytes)

Product version:
5.6.9

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\firefox_setup.exe

Digital Signature
Signed by:
Download Stream

Authority:
COMODO CA Limited

Valid from:
2/26/2015 6:00:00 PM

Valid to:
2/26/2017 5:59:59 PM

Subject:
CN=Download Stream, O=Download Stream, STREET="1930 Village Center Circle #3-1234", L=Las Vegas, S=NV, PostalCode=89134, C=US

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
6F743ED7A3F6BE2849D3B5B7D2D51E3A

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:c6SppmokAS0jdcNIbtfCV9HfOsby83wzBejPZtWhAz7s+lu5Gm9AA9iIjUvjGsJw:c6SXmI2S14HfOs28A0DWWz5l5YcGsFw

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8846

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file firefox_setup.exe has been seen being distributed by the following URL.

http://cdn.open-downloadcontent.com/c?x=TyJOAPC6Jj3l/BBYNgVb3yp87KjpQNv59 hW6U1ynA8=&c=uUepo/mKtyN5K4eoeUDTkxZgtWKP VVY4fAPIo9d1edapR9 kB6uZ0AlPwlACZAHIEuo2UchPXN1PezgL/J//CjjfT0UX8/tKC2URJWwfHgMnt3WxoUTVncUxnm6sp 7&fallback_url=http://download-installer.cdn.mozilla.net/pub/firefox/releases/38.0.5/win32/.../Firefox Setup Stub 38.0.5.exe&downloadAs=Firefox_Setup.exe

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