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firefox_setup.exe

Downloadster

The Adlogica setup manager, an installer that bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application firefox_setup.exe by Downloadster has been detected as adware by 8 anti-malware scanners. The program is a setup application that uses the Adlogica Downloader installer. This version of the installer will bundle a Mindspark/MyWebSearch Toolbar, a potentially unwanted web browser extension. 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:
Downloadster  (signed and verified)

MD5:
db9835d0f759f490db9be13b162c73a1

SHA-1:
8621018796dcaeb2ae057e366be79060b7bb26dd

SHA-256:
4842c3ee8aa6bed7b9b4ea25283fb6b863c28c03c2fe8a9a55e2d339ec805677

Scanner detections:
8 / 68

Status:
Adware

Explanation:
Bundles the Mindspark (MyWebSearch/Ask) toolbar, a web browser extension that will modify a user's search and home pages.

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:
4/25/2024 10:28:48 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Toolbar.MyWebSearch
7.1.1

AVG
Adware AdPlugin.TU.dropper
2014.0.4311

ESET NOD32
Win32/Toolbar.MyWebSearch.S potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/Toolbar_MyWebSearch
5/19/2015

Malwarebytes
PUP.Optional.Downloadster
v2015.05.19.12

Panda Antivirus
Trj/Chgt.D
15.05.19.12

Reason Heuristics
PUP.Adlogica.Bundler
15.5.18.23

Sophos
Generic PUA CH
4.98

File size:
808.9 KB (828,264 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adlogica Downloader

Language:
English (United States)

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

Digital Signature
Signed by:
Downloadster

Authority:
COMODO CA Limited

Valid from:
8/13/2013 7:00:00 PM

Valid to:
8/14/2015 6:59:59 PM

Subject:
CN=Downloadster, O=Downloadster, STREET=96 Jessie st 4th floor, L=SAN FRANCISCO, S=CA, PostalCode=94105, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
6BF02A856A1D40D914792483AF513873

File PE Metadata
Compilation timestamp:
6/21/2014 9:05:32 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:duR5EPHvTz2fZumcynKfFfIrTVRL8SpX1c8y1MmG3ss23atdLEk3AX:Ff7zmkNyKNmTESpFc8y2t3ss23a0X

Entry address:
0x162E0

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C8, 89, 45, CC, 89, 45, D0, 89, 45, EC, 89, 45, D8, 89, 45, D4, B8, D4, 5E, 41, 00, E8, 12, 00, FF, FF, 33, C0, 55, 68, ED, 64, 41, 00, 64, FF, 30, 64, 89, 20, 33, C0, 55, 68, 8B, 64, 41, 00, 64, FF, 30, 64, 89, 20, 8D, 45, EC, 50, 8D, 45, D8, E8, BE, AF, FF, FF, 8B, 45, D8, 89, 45, DC, C6, 45, E0, 0B, 8D, 55, D4, B8, 08, 00, 00, 00, E8, CF, AF, FF, FF, 8B, 45, D4, 89, 45, E4, C6, 45, E8, 0B, 8D, 55, DC, B9, 01, 00, 00, 00, B8, 04, 65, 41, 00...
 
[+]

Entropy:
7.8712

Developed / compiled with:
Microsoft Visual C++

Code size:
85.5 KB (87,552 bytes)

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

https://s3-eu-west-1.amazonaws.com/.../FireFox_Setup.exe

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