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firefox_setup.exe

Installer

Download Ship

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, “Installer Setup ” by Download Ship 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:
Application   (signed by Download Ship)

Product:
Installer

Description:
Installer Setup

MD5:
595509d010ccded3222c830e05cfb454

SHA-1:
3d126e8127727c4fadc41125e751a125f39924e8

SHA-256:
5f776d8addb20c519a6cc42a838dcd022d27399d2b3a316029a4e301d786ea7e

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:
12/25/2024 8:27:06 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.5.22

File size:
795.6 KB (814,736 bytes)

Product version:
5.3.7

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\firefox_setup.exe

Digital Signature
Signed by:
Download Ship

Authority:
COMODO CA Limited

Valid from:
2/26/2015 7:00:00 PM

Valid to:
2/26/2017 6:59:59 PM

Subject:
CN=Download Ship, O=Download Ship, 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:
3205F0A598C4107AE3ADC64267F5AC51

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:Prz95FFfNiB0IXbhSqTtxqYELZWDu9eP3ZGriV:PHJ+BnVSqTtxqYELZWC63ZGriV

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.8917

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

Code size:
39.5 KB (40,448 bytes)

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

http://cdn.downloadzonefiles.org/c?x=jOiL54rF3J5lEtfXK8T8SW5LO9zcUwq3XoGMiMubQoc=&c=M97O BbJSsqlWk8x7S6fnt3tgIGoNoP93oFX51/b5DLxTi3weFRQS06KldrzOvEKQ79YrvclP4xmIiIbtkTVLw==&downloadAs=Firefox_Setup.exe&fallback_url=http://download-installer.cdn.mozilla.net/pub/firefox/releases/34.0.5/win32/.../Firefox Setup Stub 34.0.5.exe

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