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installer.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 installer.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. 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.
Publisher:
OutBrowse  (signed and verified)

MD5:
6c35e49a8385f97f713227dbf029d42c

SHA-1:
8785786a68ebe07f4f5eb9b1a7dc3c59dcd063b6

SHA-256:
581bb3b8b7481e23da9514c31027c9bef69e15af4d4f8c80ee9064af6b7d31cf

Scanner detections:
16 / 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:
5/4/2024 4:08:07 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.OutBrowse
14.05.15

Avira AntiVirus
APPL/Downloader.Gen
7.11.144.64

AVG
MultiBundle.M
2015.0.3529

Comodo Security
Application.Win32.Outbrowse.G
18128

Dr.Web
Adware.Downware.2081
9.0.1.079

ESET NOD32
Win32/OutBrowse
8.9698

herdProtect (fuzzy)
variant of setup.exe (Adware)
2014.5.15.3

K7 AntiVirus
Unwanted-Program
13.176.11806

Malwarebytes
PUP.Optional.Outbrowse
v2014.03.20.02

McAfee
Adware-OutBrowse
5600.7185

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.28.0.59288

nProtect
Adware/W32.Agent.108064
14.04.18.01

Reason Heuristics
PUP.OutBrowse.J
14.8.7.20

Sophos
OutBrowse
4.98

Trend Micro House Call
TROJ_GE.5C6F1877
7.2.79

VIPRE Antivirus
Adware.OutBrowse
28388

File size:
105.5 KB (108,040 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
OutBrowse

Authority:
VeriSign, Inc.

Valid from:
10/24/2013 5:30:00 AM

Valid to:
10/25/2014 5:29:59 AM

Subject:
CN=OutBrowse, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=OutBrowse, L=Ramat Gan, S=Ramat Gan, C=IL

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
56A6FE571611B68C9224798AD62913CA

File PE Metadata
Compilation timestamp:
12/6/2009 4:20:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:xgXdZt9P6D3XJGCX5Ky/9XO3jR0eWSzUu/0WC:xe341XUQ9OzRgW/cp

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:
7.6807

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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