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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 9 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. 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:
1990b509aae070e6eec3d536a3ca0d29

SHA-1:
e50aa0bbdc5551a3d1e3339dac077ab6c232957d

SHA-256:
b6d58fd2c4e9859743cfe368793733b6ff2271da03e5610cf7f4a2e0e1762849

Scanner detections:
9 / 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:
4/19/2024 11:43:54 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
MalSign.Generic
2015.0.3501

Dr.Web
Adware.Downware.2081
9.0.1.0107

ESET NOD32
Win32/OutBrowse
8.9651

herdProtect (fuzzy)
variant of by_mayoufi_tunisia-satspyhunter.4.16.5.4290.rar.exe (Adware)
2014.7.6.20

Malwarebytes
PUP.Optional.OutBrowse
v2014.04.17.03

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.28.0.59048

Qihoo 360 Security
Malware.QVM06.Gen
1.0.0.1015

Reason Heuristics
PUP.OUTBROWSE.H
14.8.7.20

VIPRE Antivirus
Trojan.Win32.Generic
28262

File size:
970.4 KB (993,712 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:
4/6/2014 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):
24576:fy/5K0vqxgYznk68rlyJQy0jjSQfEKLKrEewtkPbgwVDTZmxAT7:w5rvyk68Eay0/SQff2rEewtkPbVVvZi0

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:
7.9271

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://download.ez-download.com/download/.../tgs1g1no6k59q7pgr92mjckhh47eeq3dpeen4loqdblss0up0oc1

http://dl.ez-downlaod.com/.../Get?p=1955&d=3208&l=5187&n=1&productname=Firefox&d1=4754&filename=Firefox

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