downloadsetup.exe

Yakov Cohen

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, “Installer for StarApp” by Yakov Cohen has been detected as adware by 39 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:
StarApp  (signed by Yakov Cohen)

Product:
StarApp

Description:
Installer for StarApp

Version:
2013.7.4.1638

MD5:
0c41b9b84eec04e28dcb732efa2da3c0

SHA-1:
37566815181a5cca210dd6f98f39c3de4b4a7283

SHA-256:
401485a1bfdfa565a81307e28d24fd6ed779fa23a375151142aa4753759a63d9

Scanner detections:
39 / 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 8:53:07 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Generic.570790
360

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
16.02.09

Avira AntiVirus
ADWARE/InstallRex.Gen
7.11.143.80

avast!
Win32:InstalleRex-X [PUP]
2014.9-160209

AVG
AdInstaller.P
2017.0.2838

Baidu Antivirus
Adware.Win32.InstalleRex
4.0.3.1629

Bitdefender
Adware.Generic.570790
1.0.20.200

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Adware.560923
0.98/19185

Comodo Security
Application.Win32.InstalleRex.KG
18102

Dr.Web
Adware.Downware.1166
9.0.1.040

Emsisoft Anti-Malware
Adware.Generic.570790
8.16.02.09.05

ESET NOD32
Win32/InstalleRex.J potentially unwanted application
10.7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
2/9/2016

F-Prot
W32/InstallRex.B
v6.4.6.5.141

F-Secure
Adware.Generic.570790
11.2016-09-02_3

G Data
Adware.Generic.570790
16.2.24

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Trojan
13.176.11737

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.686

Malwarebytes
PUP.Optional.Installex
v2016.02.09.05

McAfee
PUP-FHQ!68DB4CA7270C
5600.6494

MicroWorld eScan
Adware.Generic.570790
17.0.0.120

NANO AntiVirus
Riskware.Win32.Agent.crfila
0.28.0.59048

Norman
Adware.Generic.570790
11.20160209

nProtect
Trojan.Generic.9472436
14.04.22.01

Panda Antivirus
PUP/TSUploader
16.02.09.05

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.B5
2.16.14.00

Reason Heuristics
Adware.WebPick.Installer (M)
16.2.9.17

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.16207

Sophos
InstallRex
4.98

SUPERAntiSpyware
PUP.InstallRex/Variant
9334

Trend Micro House Call
TROJ_GEN.R08NC0FCQ15
7.2.40

Trend Micro
TROJ_GEN.R08NC0FCQ15
10.465.09

Vba32 AntiVirus
Downloader.AdLoad
3.12.26.0

VIPRE Antivirus
Installerex/WebPick
28214

Zillya! Antivirus
Dropper.Injector.Win32.56002
2.0.0.1783

File size:
292.3 KB (299,296 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2012 StarApp

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:
8/2/2012 2:00:00 AM

Valid to:
8/3/2013 1:59:59 AM

Subject:
CN=Yakov Cohen, O=Yakov Cohen, STREET=Rodenski 10, L=Tel Aviv, S=Israel, PostalCode=69360, C=IL

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

Serial number:
009AF809F48BC879375BE578151D15C51C

File PE Metadata
Compilation timestamp:
3/12/2013 9:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:1rk/9uEo2S1YnQmCX492DkwNP3qpYFYjwrShcFvViiyeVMPNuyloTaTuEG3:1rk1u6/eIo4+mhcF9iiyaMPNFlo533

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 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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