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downloadsetup.exe

Setup

Itzhak Shternberg

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions using the JustPlug.it browser framework. 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:
f506f66bdea48521d370a848b275495b

SHA-1:
23e86f6eb55db2f53de302ded9885b0b999a2af8

SHA-256:
9902bf14193ddd84dc639ea7537f3d07934439fa49543c0e1a53b46c68bba652

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 2:15:45 PM 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]
2014.9-160215

AVG
MalSign.Skodna
2017.0.2832

Baidu Antivirus
Adware.Win32.InstalleRex
4.0.3.16215

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
9.0.1.046

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
16.2.25

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Adware
13.183.13407

Kaspersky
not-a-virus:Downloader.Win32.AdLoad
14.0.0.657

Malwarebytes
PUP.Optional.InstallRex
v2016.02.15.03

McAfee
Trojan.Artemis!A371ADC8760D
5600.6488

NANO AntiVirus
Riskware.Win32.Downware.cvbqyt
0.28.0.58873

nProtect
Backdoor/W32.Clack.301504
14.09.17.01

Panda Antivirus
PUP/TSUploader
16.02.15.03

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
PUA.Itzhakshte.Gen
2.16.14.00

Reason Heuristics
PUP.WebPick.ItzhakShternberg.Installer (M)
16.2.15.15

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.16213

Sophos
InstallRex
4.98

SUPERAntiSpyware
Trojan.Agent/Gen-InstallMate
9322

Total Defense
Win32/Tnega.aDQSBaD
37.0.10981

Trend Micro House Call
HV_INSTALLEREX_CI05361D.RDXN
7.2.46

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)

Language:
Language Neutral

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

Digital Signature
Signed by:
Itzhak Shternberg

Authority:
COMODO CA Limited

Valid from:
6/8/2012 5:30:00 AM

Valid to:
6/9/2013 5:29:59 AM

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:
11/2/2012 3:21:06 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:QQEn9aA+NXagZei5DtsUAIkhZIK5jEgVtdwFBnzsQP6A1J1EqG8:QQW9alagZp9ieNjnIgOM

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 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=69885722&publisher_id=988&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=209657166&external_id=0&session_id=419314332&hardware_id=489200054&installer_file_name=downloadsetup

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