home

downloadsetup.exe

Setup

Natan Risman

This program bundles adware during the download and install process using the InstaleRex pay-per-install app monetizer. The application downloadsetup.exe by Natan Risman has been detected as adware by 27 anti-malware scanners. The program is a setup application that uses the WebPick InstalleRex (Tarma) installer. The setup program uses Web-Pick's InstalleRex download manager and installer to bundle potentially unwanted ad-supported software which includes toolbars and browser extensions through a pay-per-install monetization scheme.
Publisher:
Premium  (signed by Natan Risman)

Product:
Setup

Description:
Installer

Version:
2012.9.12.1332

MD5:
b01ea9c5b56527a211e4deea3340c964

SHA-1:
f149ba376f09a2878b6bbe8eff65d673b99930f8

SHA-256:
50ebdd2f4ed3857d33976ec79d3855397deb7a86b059b909595a18bb302271fc

Scanner detections:
27 / 68

Status:
Adware

Explanation:
Uses the InstalleRex from WebPick Internet Holdings to install bundled add-ons including toolbars and other web browser extensions.

Analysis date:
4/25/2024 10:01:06 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.InstallMate
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.07.08

Avira AntiVirus
Adware/InstallMat.C
7.11.138.26

avast!
Win32:InstalleRex-AW [PUP]
141119-1

AVG
MalSign.Skodna
2015.0.3277

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Adware.Downware-591
0.98/19185

Comodo Security
Application.Win32.Bundledz.C
17963

Dr.Web
Adware.Downware.448
9.0.1.05190

ESET NOD32
Win32/InstallMate potentially unwanted application
7.0.302.0

F-Prot
W32/InstallMate.B
v6.4.6.5.141

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.183.13490

Kaspersky
not-a-virus:Downloader.Win32.AdLoad
14.0.0.2879

Malwarebytes
PUP.Optional.InstallRex
v2014.11.28.03

NANO AntiVirus
Riskware.Win32.Downware.cvbqxd
0.28.0.58491

nProtect
Backdoor/W32.Clack.301504
14.06.24.01

Panda Antivirus
PUP/TSUploader
14.11.28.03

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.NatanRisman.N
14.11.28.3

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.141126

Sophos
InstallRex
4.98

SUPERAntiSpyware
Trojan.Agent/Gen-InstallMate
10211

Total Defense
Win32/Tnega.aDQSBaD
37.0.10856

Trend Micro House Call
HV_INSTALLREX_CI052D46.RDXN
7.2.332

VIPRE Antivirus
Installerex/WebPick
27576

Zillya! Antivirus
Downloader.Adload.Win32.16891
2.0.0.1805

File size:
295.9 KB (303,016 bytes)

Product version:
1.0

Copyright:
Copyright © 2010 Premium

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

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

Digital Signature
Signed by:
Natan Risman

Authority:
COMODO CA Limited

Valid from:
6/5/2012 8:00:00 PM

Valid to:
6/6/2013 7:59:59 PM

Subject:
CN=Natan Risman, O=Natan Risman, STREET=Gordon 6, L=Tel Aviv, S=Israel, PostalCode=63407, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
34640F50A673F31E25EF247830CCA289

File PE Metadata
Compilation timestamp:
8/21/2012 10:07:13 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:K0zsehnP8zOWy66Z6jef4EVZDDdHQ2zxjECoZXNOlYlKRuZxIrI+qgQk7OxQY:K0zs2nPeDh6YjI4E3DDNVIMFiEI+qCe

Entry address:
0x14DB

Entry point:
55, 8B, EC, 81, EC, 2C, 06, 00, 00, 53, 56, 33, DB, 57, 66, 89, 9D, DC, FB, FF, FF, 89, 5D, F4, 89, 5D, FC, FF, 15, 74, 30, 40, 00, A3, 08, 44, 40, 00, FF, 15, 70, 30, 40, 00, 8B, F8, 8D, 45, EC, 50, FF, 15, 6C, 30, 40, 00, FF, 15, 68, 30, 40, 00, 8B, F0, F7, D6, 33, F7, FF, 15, 64, 30, 40, 00, 33, F0, 8B, 45, F0, 33, 45, EC, 68, 04, 01, 00, 00, 33, F0, 8D, 85, D4, F9, FF, FF, 50, 53, FF, 15, 60, 30, 40, 00, 85, C0, 75, 41, FF, 15, 5C, 30, 40, 00, 83, F8, 78, 75, 1A, 68, A8, 32, 40, 00, E8, 43, FB, FF, FF...
 
[+]

Entropy:
7.9578

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

TCP (HTTP):
Connects to c1.stylezip.info  (54.186.255.26:80)

 
http://c1.stylezip.info/?step_id=1&installer_id=14258760&publisher_id=425&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=42776280&external_id=0&session_id=85552560&hardware_id=99811320&installer_file_name=downloadsetup

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