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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:
074b196a17ee930635af140235514475

SHA-1:
7a34ea4d58c05b977469da19e1535c58f3c5b5b7

SHA-256:
899368881f5475491557bc2d04e4daa7b4ee6753bb6e4565b925e7df108a1aeb

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:
4/27/2024 4:22:53 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.OutBrowse
2014.08.29

Avira AntiVirus
APPL/Downloader.Gen
7.11.169.230

AVG
OutBrowse
2015.0.3368

Comodo Security
Application.Win32.Outbrowse.G
19348

Dr.Web
Adware.Downware.2081
9.0.1.05190

ESET NOD32
Win32/OutBrowse.J potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
8/29/2014

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

IKARUS anti.virus
AdWare.Downware
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.183.13198

Kaspersky
not-a-virus:Downloader.NSIS.OutBrowse
15.0.0.463

McAfee
Adware-OutBrowse
5600.7024

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.28.2.61861

Reason Heuristics
PUP.OutBrowse.J
14.8.29.2

Sophos
OutBrowse
4.98

VIPRE Antivirus
Threat.4784459
32210

File size:
108.2 KB (110,800 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:
10/23/2013 7:00:00 PM

Valid to:
10/24/2014 6:59:59 PM

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:
12/5/2009 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:1gXdZt9P6D3XJ7CR5Ky/9XO3jR0eWSzUu/0WS:1e344RUQ9OzRgW/ct

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:
7.6875

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file installer.exe has been seen being distributed by the following URL.

http://get.file2desktop.com/DownloadManager/Get?p=301&d=3746&l=3578&n=1&d5=34093&exeurl=http://aa-download.avg.com/filedir/.../avg_free_x86_all_2014_4259a6848.exe&dynamicname=AVG Antivirus Free Edition&d1=5037

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