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winrar.exe

Multiply ROI, Inc

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application winrar.exe by Multiply ROI, Inc has been detected as adware by 12 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 WinRAR archiver but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Winrar  (signed by Multiply ROI, Inc)

Product:
Winrar

Version:
1.0

MD5:
45a04d334a039d8cf26eaab2bed86494

SHA-1:
e5e5278593ef2fd89cf5c7e1018961c6a1e2402c

SHA-256:
e1e1d6d6b13ebb2e23753b2216c4c5c108dcb4a3b099274a6bfc2ee828f2dc74

Scanner detections:
12 / 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:
4/26/2024 2:00:44 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

Avira AntiVirus
Adware/OutBrowse.M.1
7.11.117.38

Bkav FE
W32.Clode7f.Trojan
1.3.0.4562

Comodo Security
Application.Win32.OutBrowse.D
17362

Dr.Web
Adware.Downware.1449
9.0.1.045

ESET NOD32
Win32/OutBrowse (variant)
10.9116

Malwarebytes
PUP.Optional.Smart
v2016.02.14.03

McAfee
Artemis!3A32F42F6C33
5600.6489

Reason Heuristics
PUP.OutBrowse.MultiplyROI.Bundler (M)
16.2.14.15

Trend Micro House Call
TROJ_GEN.F47V1017
7.2.45

Vba32 AntiVirus
Downloader.OutBrowse
3.12.24.3

VIPRE Antivirus
OutBrowse
23888

File size:
603 KB (617,440 bytes)

Copyright:
© Winrar

Trademarks:
Winrar

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
Multiply ROI, Inc

Authority:
VeriSign, Inc.

Valid from:
2/28/2013 12:00:00 AM

Valid to:
2/26/2014 11:59:59 PM

Subject:
CN="Multiply ROI, Inc", OU=Digital ID Class 3 - Microsoft Software Validation v2, O="Multiply ROI, Inc", L=San Francisco, S=California, C=US

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:
071EA95218ABA65B6DE651F0EFE6F136

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):
12288:VNpWH/L/af/dN/WeayWEtnK3Zs9cG9KijYb2z09p4yD9y:VN1/dIeTReZs9tK2Yb2zUhpy

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:
7.9772

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://cdn.ppdownload.com/MROI/.../Winrar.exe

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