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skype.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 skype.exe by Multiply ROI, Inc has been detected as adware by 9 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:
skype  (signed by Multiply ROI, Inc)

Product:
skype

Version:
1.0

MD5:
98f427faadb0b7ea50fd5611cee31483

SHA-1:
d59ee28a47d8826e9c65cd3efe04215cd12fde71

SHA-256:
dc3b9faddeba84173eb1ed711cbeda4befeb9fad99b42d326b2fff62da3118ab

Scanner detections:
9 / 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:
4/27/2024 3:10:08 AM UTC  (today)

Scan engine
Detection
Engine version

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
9.0.1.0103

ESET NOD32
Win32/OutBrowse (variant)
8.9116

Malwarebytes
PUP.Optional.Smart
v2014.04.13.04

Reason Heuristics
PUP.MultiplyROI.F
14.8.7.21

Trend Micro House Call
TROJ_GEN.F47V1017
7.2.103

VIPRE Antivirus
OutBrowse
23888

File size:
603 KB (617,440 bytes)

Copyright:
© skype

Trademarks:
skype

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
Multiply ROI, Inc

Authority:
VeriSign, Inc.

Valid from:
2/28/2013 4:00:00 AM

Valid to:
2/27/2014 3:59:59 AM

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:
12/6/2009 2:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:mQpWH/L/af/dN/WeayWEtnK3Zs9cG9KijYb2z09p4yD9MFcZh:mQ1/dIeTReZs9tK2Yb2zUhpMc

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 skype.exe has been seen being distributed by the following URL.

http://cdn.ppdownload.com/.../skype.exe

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