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firefox.exe

stART NOW

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 stART NOW has been detected as adware by 23 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. According to AVG, this software downloads additional adware offers during setup. The file has been seen being downloaded from get.down1210tech.info.
Publisher:
stART NOW  (signed and verified)

MD5:
3c095a197472bd9ea30aded9db8fb7b2

SHA-1:
5e965848508e95a2f07bd088c2ab03f33ab18196

SHA-256:
afab01ce2dd838d916e1f74090f1a9abba0cc0af7694187b3c2d98e0b18b6b08

Scanner detections:
23 / 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:
5/12/2024 6:22:46 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.Outbrowse.1
6399605

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.02.19

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.211.78

avast!
OutBrowse-BX [PUP]
150129-1

AVG
Potentially harmful program Downloader.DHU
2014.0.4257

Bitdefender
Gen:Variant.Application.Bundler.Outbrowse.1
1.0.20.250

Comodo Security
Application.Win32.AltBrowse.HY
21132

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.Outbrowse
9.0.0.4799

ESET NOD32
Win32/OutBrowse.BU potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
2/19/2015

F-Secure
Gen:Variant.Application.Bundler
11.2015-19-02_5

G Data
Gen:Variant.Application.Bundler.Outbrowse
15.2.25

K7 AntiVirus
DoS-Trojan
13.196.15015

Kaspersky
not-a-virus:Downloader.NSIS.OutBrowse
15.0.0.543

Malwarebytes
PUP.Optional.OutBrowse
v2015.02.19.03

McAfee
Program.Adware-OutBrowse.e
16.8.708.2

MicroWorld eScan
Gen:Variant.Application.Bundler.Outbrowse.1
16.0.0.150

NANO AntiVirus
Trojan.Win32.OutBrowse.dnpocv
0.30.0.126

Reason Heuristics
PUP.Outbrowse
15.2.19.3

Trend Micro House Call
Suspici.6AAF7647
7.2.50

Vba32 AntiVirus
Downloader.OutBrowse
3.12.26.3

VIPRE Antivirus
Threat.4150696
36694

File size:
572.8 KB (586,536 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:
stART NOW

Authority:
thawte, Inc.

Valid from:
1/27/2015 11:00:00 AM

Valid to:
12/12/2015 10:59:59 AM

Subject:
CN=stART NOW, O=stART NOW, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
4BB641EEEC4A35E9F95499021FBFC67E

File PE Metadata
Compilation timestamp:
12/6/2009 9:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:5u4sGzn2EGhAnaLOLhO8mjMb6/ME5HPJ6Ioc/Q/lW6wFvDoE:5u4sGz2hh0o7F5v/o0Ml8

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:
7.9739

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://get.down1210tech.info/1422402704/get15?p=414&d=24027&l=9338&n=1&productname=free-downloadss.com&d1=1&d2=1&d3=1&d4=1&d5=150063&exeurl=http://download-installer.cdn.mozilla.net/pub/firefox/releases/27.0/win32/.../Firefox Setup 27.0.exe&dynamicname=Firefox&filename=Firefox

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