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. 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.
Publisher:
Software internet   (signed by Download Stream)

Product:
Generic

Description:
Generic Setup

Version:
1.3.2.3

MD5:
78645b38bd6281db24fd095371cace16

SHA-1:
175eb2182152a6618190f677c577a7be6f440611

SHA-256:
be49db9e87e1a78c017a9d6d2cc04feaa2f5605a8dd4e100188f26216bd76b87

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 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:
5/21/2024 4:09:08 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.1.3.20

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)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\firefox_setup.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
2/27/2015 1:00:00 AM

Valid to:
2/27/2017 12:59:59 AM

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:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

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...
 
[+]

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.browserinfofiles.com/c?x=i11ikS4vFtJE8BB0 SjcCf3O8XLlNbbEbWtGsUslghc=&c=wuZywvZsV0kAvt2xSujhyi7HQzpEsAXqPdS3FIEvUA8/RNxL1G XrarUaLlT3oZ4eirvAEYR22CXANeSGGvFVR74ox3izPRMWmX4Vd3pWC7pZ4xZJKltVYXzHVU9ikWA&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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