setup.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 setup.exe by OUTBROWSE has been detected as adware by 17 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 file has been seen being downloaded from get.downloaddesktop2.com and multiple other hosts.
Publisher:
OUTBROWSE  (signed and verified)

MD5:
497ce1f1af6695d9400906ba1bc852cc

SHA-1:
28eacef6e798507ba9efa099aab564880471c50a

SHA-256:
83ed1a8400df7994f2623379a0d7fa37fd83be8fdf4159cfdfb26668fe2d08e7

Scanner detections:
17 / 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:
5/13/2024 8:52:20 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2014.10.20

Avira AntiVirus
APPL/OutBrowse.lwasp
7.11.179.162

AVG
Generic
2015.0.3316

Dr.Web
Adware.Downware.2081
9.0.1.05190

ESET NOD32
Win32/OutBrowse.Y potentially unwanted application
7.0.302.0

F-Prot
W32/Outbrowse.B2.gen
v6.4.7.1.166

G Data
Win32.Application.Outbrowse
14.10.24

K7 AntiVirus
Unwanted-Program
13.184.13727

Kaspersky
not-a-virus:AdWare.Win32.OutBrowse
15.0.0.494

Malwarebytes
PUP.Optional.OutBrowse
v2014.10.19.03

McAfee
Adware-OutBrowse
5600.6972

NANO AntiVirus
Trojan.Win32.OutBrowse.deinil
0.28.2.62671

nProtect
Trojan-Clicker/W32.OutBrowse.1010448
14.10.19.01

Reason Heuristics
PUP.Installer.OUTBROWSE.F
14.10.19.15

Sophos
OutBrowse Revenyou
4.98

VIPRE Antivirus
Threat.4823950
33706

File size:
986.8 KB (1,010,448 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
4/7/2014 1:00:00 AM

Valid to:
4/8/2015 12:59:59 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 10:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:xwxbPkv9pP3fDVPWlHQFZqCqQ4n1k/xrMm:GxbPkv3PfRPWlHQFZqK4wh

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:
7.9255

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file setup.exe has been seen being distributed by the following 3 URLs.

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