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 25 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:
2012.6.7.1548

MD5:
5c58f33d801bcfa7e277479899f4d439

SHA-1:
50fcd58bb7820277cb5d155b92367039cd0a866d

SHA-256:
ebb1969253c8eda2be7563e671703d5d16c94d8bbae8e0a81736be6ee83f9d5b

Scanner detections:
25 / 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:
4/26/2024 5:57:58 AM 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]
140617-1

AVG
MalSign.Skodna
2015.0.3406

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Adware.Downware-591
0.98/19168

Comodo Security
Application.Win32.Bundledz.C
17963

Dr.Web
hacktool program Tool.InstallToolbar.83
9.0.1.05190

ESET NOD32
Win32/InstalleRex.C 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

Kaspersky
not-a-virus:Downloader.Win32.AdLoad
14.0.0.3440

NANO AntiVirus
Riskware.Win32.Downware.cvbqxd
0.28.0.58491

nProtect
Backdoor/W32.Clack.301504
14.06.24.01

Panda Antivirus
PUP/TSUploader
14.07.22.08

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.NatanRisman.N
14.8.8.0

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.14720

Sophos
InstallRex
4.98

SUPERAntiSpyware
Trojan.Agent/Gen-InstallMate
10468

Total Defense
Win32/Tnega.aDQSBaD
37.0.10856

Trend Micro House Call
HV_INSTALLREX_CI052D46.RDXN
7.2.203

VIPRE Antivirus
Installerex/WebPick
27576

Zillya! Antivirus
Downloader.Adload.Win32.16891
2.0.0.1805

File size:
270.2 KB (276,728 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:

Authority:
COMODO CA Limited

Valid from:
6/6/2012 4:00:00 AM

Valid to:
6/7/2013 3:59:59 AM

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:
5/31/2012 1:22:02 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:3By6NfxS2Ka93PSSDMaoAKiFkc6EOzT2gOZ0nCs+7Rma/Uqv:3B9Z2hiFx2zjYggXUA

Entry address:
0x14A3

Entry point:
55, 8B, EC, 81, EC, 24, 06, 00, 00, 53, 56, 33, F6, 57, 66, 89, B5, E4, FB, FF, FF, 89, 75, F4, 89, 75, FC, FF, 15, 68, 30, 40, 00, A3, 08, 44, 40, 00, FF, 15, 64, 30, 40, 00, 89, 45, F8, 68, 04, 01, 00, 00, 8D, 85, DC, F9, FF, FF, 50, 56, FF, 15, 60, 30, 40, 00, 85, C0, 75, 41, FF, 15, 5C, 30, 40, 00, 83, F8, 78, 75, 1A, 68, BC, 32, 40, 00, E8, 82, FB, FF, FF, 59, C7, 05, 0C, 44, 40, 00, FD, 00, 00, 00, E9, 13, 02, 00, 00, 50, 68, 98, 32, 40, 00, E8, 67, FB, FF, FF, 59, 59, C7, 05, 0C, 44, 40, 00, FF, 00...
 
[+]

Entropy:
7.9527

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=8050180&publisher_id=050&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=24150540&external_id=0&session_id=48301080&hardware_id=56351260&installer_file_name=downloadsetup

Remove downloadsetup.exe - Powered by Reason Core Security