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firefox.exe

Quick Downloader

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.exe by Quick Downloader has been detected as adware by 10 anti-malware scanners. The program is a setup application that uses the Adlogica Quick Downloader installer. The setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs. 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:
Quick Downloader  (signed and verified)

MD5:
e8f7eaab7d4e59ef7b0ed27d0fe535bd

SHA-1:
ec01195d808783877d9219df83a91f016721971f

SHA-256:
d5596a6d656fe74b77f2b8bd9e352a0e03978e56d063a041927d1150b1169231

Scanner detections:
10 / 68

Status:
Adware

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

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:
5/25/2024 4:35:18 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

AVG
Generic
2015.0.3321

Dr.Web
Trojan.Packed.28678
9.0.1.05190

ESET NOD32
Win32/OutBrowse.AY
8.10562

F-Prot
W32/Outbrowse.B2.gen
v6.4.7.1.166

K7 AntiVirus
Unwanted-Program
13.183.13676

Malwarebytes
PUP.Optional.OutBrowse
v2014.10.14.01

McAfee
Adware-OutBrowse.b
5600.6977

Reason Heuristics
PUP.QuickDownloader.H
14.10.14.11

VIPRE Antivirus
Threat.4786018
33706

File size:
560.9 KB (574,384 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adlogica Quick Downloader (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
Quick Downloader

Authority:
COMODO CA Limited

Valid from:
8/11/2014 7:00:00 PM

Valid to:
8/11/2017 6:59:59 PM

Subject:
CN=Quick Downloader, O=Quick Downloader, 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:
0087CE63C7728E982ECA2980DCA8DDE091

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:0rBKpgWPpt9PeW+WaPfE6qlQKYarf50E+N/CDo0:0rkpgopt9b+WVNYaj5H/5

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9729

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://download.downloadinfo100.com/download/288/.../?_s=o489ps6pumv5v5sccpfn68abqjotj6o5frghpj3a91mji0snjjk0-9a7fb6f10409b43d4a47f3629718c0f3

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