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update_mozilla_firefox.exe

OUTBROWSE

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application update_mozilla_firefox.exe by OUTBROWSE has been detected as adware by 21 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent. 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:
OUTBROWSE  (signed and verified)

MD5:
d3367c5802bda2db507a6fb2062e6a2c

SHA-1:
c066a76c447ef3335f9b84bf745613ce4c031421

SHA-256:
afa81777225c0c3cc2a2268a9e27f794e5e575539d90ede46b22185d0755b04e

Scanner detections:
21 / 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:
5/16/2024 3:04:01 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Dropped:Application.Bundler.Outbrowse.N
822

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2014.11.05

Avira AntiVirus
APPL/OutBrowse.lwasp
7.11.183.42

AVG
Generic
2015.0.3300

Bitdefender
Dropped:Application.Bundler.Outbrowse.N
1.0.20.1540

Dr.Web
Adware.Downware.2081
9.0.1.05190

ESET NOD32
Win32/OutBrowse.AY
8.10671

Fortinet FortiGate
Riskware/OutBrowse
11/4/2014

F-Secure
Dropped:Application.Bundler.Outbrowse
11.2014-04-11_3

G Data
Dropped:Application.Bundler.Outbrowse
14.11.24

K7 AntiVirus
Unwanted-Program
13.185.13888

Kaspersky
not-a-virus:AdWare.Win32.OutBrowse
15.0.0.543

Malwarebytes
PUP.Optional.OutBrowse
v2014.11.04.07

McAfee
Adware-OutBrowse.b
5600.6956

MicroWorld eScan
Dropped:Application.Bundler.Outbrowse.N
15.0.0.924

NANO AntiVirus
Trojan.Win32.OutBrowse.dgnlgr
0.28.6.62995

Reason Heuristics
PUP.OUTBROWSE.W
14.11.4.19

Sophos
Generic PUA DP
4.98

Vba32 AntiVirus
Hoax.PornoAsset
3.12.26.3

VIPRE Antivirus
OutBrowse
34516

File size:
562.7 KB (576,192 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
OUTBROWSE

Authority:
COMODO CA Limited

Valid from:
4/6/2014 7:00:00 PM

Valid to:
4/7/2015 6:59:59 PM

Subject:
CN=OUTBROWSE, O=OUTBROWSE, STREET=Bialik Number: 143, L=Ramat Gan, S=Israel, PostalCode=5252337, C=IL

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

Serial number:
00A5F03C3A375C11FD6C1C160EE8BFF923

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:L0aB1zdOvUv63Kny7k0zkaoatu8xu6J0ofouzos19kzYn4YEcQJnq4Q:L0+1Yvfv7k0zDoathxH+n8f19kzbYEcd

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:
7.9736

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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