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firefox_setup.exe

Fast Downloads

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 Fast Downloads has been detected as adware by 16 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:
Fast Downloads  (signed and verified)

MD5:
ab0f836a3ea834647a534ed9a5006aea

SHA-1:
579aba220397e70c9f15a40bf8d9c94b6f3c5946

SHA-256:
89f37090fc01d4616f226be0c2b72178d72cf695345dd87b2b3bc97863e03348

Scanner detections:
16 / 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 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:
4/25/2024 6:48:14 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Toolbar.MyWebSearch
7.1.1

avast!
Win32:OutBrowse-AR [PUP]
2014.9-151101

AVG
AdPlugin
2016.0.2938

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.15111

Bkav FE
W32.HfsAdware
1.3.0.7062

ESET NOD32
Win32/Toolbar.MyWebSearch.S potentially unwanted (variant)
9.12047

Fortinet FortiGate
Riskware/Toolbar_MyWebSearch
11/1/2015

IKARUS anti.virus
Trojan.Win32.Cosmu
t3scan.1.9.5.0

K7 AntiVirus
Unwanted-Program
13.207.16792

Malwarebytes
PUP.Optional.Downloadster
v2015.11.01.03

Panda Antivirus
Trj/Chgt.D
15.11.01.03

Reason Heuristics
PUP.Adlogica.FastDownloads.Bundler (M)
15.11.1.15

SUPERAntiSpyware
Adware.MyWebSearch/Variant
9534

Trend Micro House Call
PUA_MyWebSearch.optional
7.2.305

Trend Micro
PUA_MyWebSearch.optional
10.465.01

VIPRE Antivirus
InstallCore
42636

File size:
809.4 KB (828,816 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:
Fast Downloads

Authority:
COMODO CA Limited

Valid from:
8/11/2014 8:00:00 PM

Valid to:
8/11/2017 7:59:59 PM

Subject:
CN=Fast Downloads, O=Fast Downloads, 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:
00FAF54737027D796BDFDF9DFF5F8D1709

File PE Metadata
Compilation timestamp:
6/21/2014 10:05:32 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:MuR5EPHvTz3fZmecynKfFfIrTVRL8SpX1c8y1MmG3ss23atdLEk3/8:Qf7zP81yKNmTESpFc8y2t3ss23az8

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:
7.8713

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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