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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 firefox.exe by OUTBROWSE has been detected as adware by 16 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. 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:
OUTBROWSE  (signed and verified)

MD5:
cfb2ac4ffa89aab36b7305615caf80f3

SHA-1:
f54463d0d7d6b6e076fe45c6beafee667bd2ffd0

SHA-256:
2f7f10fbd8b19e7d0def80c1f3b03383b9ff0d4ecac7a0d4b4dc021fed54778f

Scanner detections:
16 / 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:
4/26/2024 2:59:56 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
MemScan:Application.Bundler.Outbrowse.E
789

Avira AntiVirus
APPL/Downloader.Gen
7.11.155.54

AVG
Generic
2015.0.3340

Bitdefender
MemScan:Application.Bundler.Outbrowse.E
1.0.20.1710

Dr.Web
Adware.Downware.2081
9.0.1.0269

ESET NOD32
Win32/OutBrowse.T potentially unwanted application
8.7.0.302.0

F-Secure
MemScan:Application.Bundler.Outbrowse
11.2014-08-12_2

G Data
MemScan:Application.Bundler.Outbrowse
14.12.24

herdProtect (fuzzy)
variant of install-flashplayer (13).exe (Adware)
2014.12.8.6

K7 AntiVirus
Unwanted-Program
13.1712422

Malwarebytes
PUP.Optional.Outbrowse
v2014.09.26.10

McAfee
Adware-OutBrowse
5600.6923

MicroWorld eScan
MemScan:Application.Bundler.Outbrowse.E
15.0.0.1026

Reason Heuristics
PUP.OUTBROWSE.H
14.9.26.10

Sophos
OutBrowse Revenyou
4.98

VIPRE Antivirus
Threat.4784459
29708

File size:
920.5 KB (942,616 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
OUTBROWSE

Authority:
COMODO CA Limited

Valid from:
4/7/2014 2:00:00 AM

Valid to:
4/8/2015 1:59:59 AM

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 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:3qHXdyZNrNF/4lgGhpwJxmntY1VKc9IsTELQ:aHXc3BqXp6fScKsIL

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...
 
[+]

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://www.iifreedownload.com/.../download.php?id=5384e70a9d2e6&i=150062

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