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firefox.exe

Ez-download

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 Ez-download has been detected as adware by 13 anti-malware scanners. The program is a setup application that uses the Adlogica 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. 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:
Ez-download  (signed and verified)

MD5:
6c97723d8db754b7637eaa7db3fc7d02

SHA-1:
e13c4509a2af204ab0fe00ca1088f1a7229911e7

SHA-256:
cd4b12f77ef23ee0b79f138c5aa63ab6af6c22453923f5fa0f6ebcae2137852b

Scanner detections:
13 / 68

Status:
Adware

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

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:
12/25/2024 12:29:42 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/Downloader.Gen
7.11.170.84

AVG
Generic
2015.0.3365

Dr.Web
Trojan.Packed.27643
9.0.1.05190

ESET NOD32
Win32/OutBrowse.M potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
9/1/2014

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

IKARUS anti.virus
AdWare.Downware
t3scan.1.7.5.0

McAfee
Adware-OutBrowse
5600.7021

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.28.2.61861

Reason Heuristics
PUP.Ezdownload.H
14.9.1.10

Rising Antivirus
PE:Trojan.Win32.Generic.168E759E!378434974
23.00.65.14830

Sophos
OutBrowse Revenyou
4.98

VIPRE Antivirus
Threat.4784459
32210

File size:
103.7 KB (106,176 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
Ez-download

Authority:
COMODO CA Limited

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

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

Subject:
CN=Ez-download, O=Ez-download, 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:
00F70CD1FD9DEF6FE1E710D56A167734BD

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):
3072:ggXdZt9P6D3XJJC55Ky/9XO3jR0eWSzUu/0WP:ge34O5UQ9OzRgW/cA

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:
7.6717

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 2 URLs.

http://dl.ez-downlaod.com/.../GetALGK?p=1955&d=3208&l=5187&n=1&productname=Firefox&d1=12&d2=1&d3=1&d4=9&d5=00200000&filename=Firefox

http://downloader.ez-download.com/download.php?id=99a34e6179260ff68f33282f7c7cf4217a6201c8&z=8&p=eyJweSI6ImV6IiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW52IiwiYiI6ImNoMzMiLCJ1X2lkIjoiZXpfNTMzNjI4NmIzMjUxODMuNDMxOTY1NzIiLCJwYV9pZCI6IjgiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMjAtMDAwMCIsInRzIjoxMzk2MDU4MjE5LCJrdyI6ImZpcmVmb3giLCJjdSI6ImZpcmVmb3giLCJjYSI6bnVsbH0=

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