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 14 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. 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:
Ez-download  (signed and verified)

MD5:
cfdf8c66da69d13aecb82e8724bcf32c

SHA-1:
ba77a4200ddeeb30d28d032fb420c148cd208d32

SHA-256:
7fc9498dd8820f9e4b288f8ce2bc7020adfdef58ceb46903582d69137f3188ac

Scanner detections:
14 / 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:
4/25/2024 8:01:11 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

Avira AntiVirus
APPL/Downloader.Gen
7.11.177.172

AVG
Generic
2015.0.3324

Dr.Web
Trojan.Packed.27643
9.0.1.05190

ESET NOD32
Win32/OutBrowse.G potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
10/11/2014

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

K7 AntiVirus
Unwanted-Program
13.183.13642

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.28.2.62483

Reason Heuristics
PUP.Ezdownload.H
14.10.11.21

Rising Antivirus
PE:Trojan.Win32.Generic.168E759E!378434974
23.00.65.141009

Sophos
OutBrowse Revenyou
4.98

Vba32 AntiVirus
Downloader.OutBrowse
3.12.26.3

VIPRE Antivirus
Threat.4150696
33706

File size:
960.6 KB (983,656 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:

Authority:
COMODO CA Limited

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

Valid to:
8/14/2015 7:59:59 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 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:v6pg1EyW14YtkSWM1YSw1PEg6Tk85EmZ3ejOu+SXlrUN2onkovNW7B:Cpg1E110lSw1P9J8XZ36OhCZozvg7B

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:
7.9253

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 3 URLs.

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