home

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 15 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou 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:
OUTBROWSE  (signed and verified)

MD5:
d57b583055baab10911d58c2a877c2e7

SHA-1:
46f786f629b1e42b26f1ed1e99b927365729aa69

SHA-256:
5d0e29ae4c3f12d3f7bda840ef9649e16343f13c1ac4ad717d201ddc69875db4

Scanner detections:
15 / 68

Status:
Adware

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

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/26/2024 8:19:59 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/Downloader.Gen
7.11.158.96

AVG
Generic
2015.0.3424

Dr.Web
Adware.Downware.2081
9.0.1.05190

ESET NOD32
Win32/OutBrowse.Q potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
7/3/2014

G Data
Win32.Application.Outbrowse
14.7.24

IKARUS anti.virus
AdWare.Downware
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.180.12612

Kaspersky
not-a-virus:AdWare.Win32.OutBrowse
15.0.0.463

Malwarebytes
PUP.Optional.OutBrowse
v2014.07.03.05

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.28.0.60577

Reason Heuristics
PUP.OUTBROWSE.H
14.8.7.20

Sophos
OutBrowse Revenyou
4.98

Trend Micro House Call
TROJ_GE.E733C7B9
7.2.184

VIPRE Antivirus
Threat.4150696
29708

File size:
968.7 KB (991,992 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\Documents and Settings\{user}\My documents\downloads\firefox.exe

Digital Signature
Signed by:
OUTBROWSE

Authority:
COMODO CA Limited

Valid from:
4/6/2014 5:00:00 PM

Valid to:
4/7/2015 4:59:59 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 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:DJtbtfFcicu9/AGdSHlXEYprdDJ5Qk7I/Oylc8Cnr1G:979Iu9/9dSHlXECrBJ5r7Ibl7or4

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 2 URLs.

http://dl.ez-downlaod.com/DownloadManager/Get?p=1955&d=3208&l=5187&n=1&productname=Firefox&d1=4838&filename=Firefox&tyurl=http://www.postdownload.net/.../redirect.php?id=u204luslvi6ntjscap0cji66n75mi8lipqgg3u0bhj6k2di74h90-d29dacca5ea3b3c07efbdfe57327c29d&d=ez-download.com&p=Firefox&pid=3

http://download.ez-download.com/download/.../u204luslvi6ntjscap0cji66n75mi8lipqgg3u0bhj6k2di74h90

Remove firefox.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.