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 29 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:
2012.10.25.1739

MD5:
8e60d29377b55fd1cfe4918d777a5415

SHA-1:
bf5e52bf46a814ad1583c5b37a7736d1d50b7b62

SHA-256:
d3eeadf62367350b5e4a7d05d7f3424b8d16c10a0482c2197738eb1bde9fe583

Scanner detections:
29 / 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:
4/23/2024 2:18:16 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstalleRex
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.07.08

Avira AntiVirus
ADWARE/InstallRex.Gen
7.11.141.56

avast!
Win32:InstalleRex-CG [PUP]
2014.9-140917

AVG
MalSign.Skodna
2015.0.3348

Baidu Antivirus
Adware.Win32.InstalleRex
4.0.3.14918

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Trojan.742388
0.98/19047

Comodo Security
Application.Win32.Bundledz.C
18046

Dr.Web
Adware.Downware.448
9.0.1.0260

ESET NOD32
Win32/InstalleRex.C potentially unwanted application
8.7.0.302.0

F-Prot
W32/Backdoor2.HMXY
v6.4.7.1.166

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Adware
13.183.13345

Kaspersky
not-a-virus:Downloader.Win32.AdLoad
14.0.0.2909

Malwarebytes
PUP.Optional.InstallRex
v2014.11.22.06

NANO AntiVirus
Riskware.Win32.Downware.ctkpjt
0.28.0.58873

nProtect
Backdoor/W32.Clack.301504
14.06.24.01

Panda Antivirus
PUP/TSUploader
14.09.17.07

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.ItzhakShternberg.N
14.9.17.19

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.14915

Sophos
PUA.InstallRex
55

SUPERAntiSpyware
Trojan.Agent/Gen-InstallMate
10353

Total Defense
Win32/Tnega.aDQSBaD
37.0.10856

Trend Micro House Call
HV_INSTALLEREX_CG0942F6.RDXN
7.2.260

VIPRE Antivirus
Trojan.Win32.Generic
28012

Zillya! Antivirus
Downloader.Adload.Win32.16891
2.0.0.1805

File size:
294.9 KB (302,016 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
Authority:
COMODO CA Limited

Valid from:
6/7/2012 9:00:00 PM

Valid to:
6/8/2013 8:59:59 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:
10/15/2012 10:02:57 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:KggX5w78W1xrLitFHIp1TP6IUIJxgSQ9JeBLlG0YnlTH/J25Dk9k9V:KgA5w7dxv6FH6l6IUhwRYnlx25B9V

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...
 
[+]

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 communication in live environments.

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

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