downloadsetup.exe

Setup

Itzhak Shternberg

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions which inject ads in the browser. The application downloadsetup.exe by Itzhak Shternberg has been detected as adware by 31 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 Itzhak Shternberg)

Product:
Setup

Description:
Installer

Version:
2012.11.8.1120

MD5:
3e15741ff83ce6f1e9ff88463e6f9b77

SHA-1:
65c59c11bd5e134948a3078b18b3542ef8110ab4

SHA-256:
0803e2f4260dc1035e6603d5c5a10db8035f3ad1af0d722b23faee96a08d000e

Scanner detections:
31 / 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 8:53:33 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.InstallMate
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.07.18

Avira AntiVirus
ADWARE/InstallRex.Gen
7.11.141.146

avast!
Win32:InstalleRex-CG [PUP]
2014.9-160125

AVG
MalSign.Skodna
2017.0.2853

Baidu Antivirus
Adware.Win32.InstalleRex
4.0.3.16125

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Trojan.742388
0.98/19047

Comodo Security
Application.Win32.Bundledz.C
18053

Dr.Web
Adware.Downware.448
9.0.1.025

ESET NOD32
Win32/InstallMate potentially unwanted application
10.7.0.302.0

F-Prot
W32/Backdoor2.HMXY
v6.4.7.1.166

G Data
Win32.Application.InstalleRex
16.1.25

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Adware
13.183.13407

Kaspersky
not-a-virus:Downloader.Win32.AdLoad
14.0.0.762

Malwarebytes
PUP.Optional.InstallRex
v2016.01.25.12

McAfee
Trojan.Artemis!A371ADC8760D
5600.6509

NANO AntiVirus
Riskware.Win32.Downware.cvbqyt
0.28.0.58873

nProtect
Backdoor/W32.Clack.301504
14.09.17.01

Panda Antivirus
PUP/TSUploader
16.01.25.12

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
PUA.Itzhakshte.Gen
1.16.14.00

Reason Heuristics
PUP.WebPick.ItzhakShternberg.Installer (M)
16.1.25.12

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.16123

Sophos
InstallRex
4.98

SUPERAntiSpyware
Trojan.Agent/Gen-InstallMate
9364

Total Defense
Win32/Tnega.aDQSBaD
37.0.10981

Trend Micro House Call
HV_INSTALLEREX_CI05361D.RDXN
7.2.25

VIPRE Antivirus
Installerex/WebPick
28050

Zillya! Antivirus
Backdoor.Clack.Win32.181
2.0.0.1905

File size:
294.4 KB (301,504 bytes)

Product version:
1.0

Copyright:
Copyright © 2010 Premium

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

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

Digital Signature
Authority:
COMODO CA Limited

Valid from:
6/7/2012 6:00:00 PM

Valid to:
6/8/2013 5:59:59 PM

Subject:
CN=Itzhak Shternberg, O=Itzhak Shternberg, STREET=Belkind 2, L=Tel Aviv, S=Israel, PostalCode=62154, C=IL

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

Serial number:
009DFDC7DD83734FFB61F158A9759A6F69

File PE Metadata
Compilation timestamp:
11/1/2012 2:51:06 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:QQEn9aA+NXagZei5DtsUAIkhZIK5jEgVtdwFBnzsQP6A1J1EqGD:QQW9alagZp9ieNjnIgOz

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:
7.9592

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

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

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

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