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download.exe

Rafael Leviev

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 download.exe, “Installer for StarApp” by Rafael Leviev has been detected as adware by 37 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 Rafael Leviev)

Product:
StarApp

Description:
Installer for StarApp

Version:
2013.8.6.1937

MD5:
f7e0529ac40f5a5de6e1387f99d23919

SHA-1:
e60df88c4beb2492ec18e7bd379657129e1bce35

SHA-256:
cd24dee075cb301ff4a21d0c9d3cb50fdd9eab6edf3bfd281bb9534f0caeb9be

Scanner detections:
37 / 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:
4/19/2024 7:26:32 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.InstallRex.2
380

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.11.30

Avira AntiVirus
Adware/Agent.aeph.2
7.11.189.146

avast!
Win32:InstalleRex-U [PUP]
2014.9-160120

AVG
Skodna.Pick
2017.0.2858

Baidu Antivirus
Adware.Win32.Agent
4.0.3.16120

Bitdefender
Application.Generic.678769
1.0.20.100

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.6379

Clam AntiVirus
Win.Adware.Agent-6586
0.98/19413

Comodo Security
Application.Win32.InstalleRex.KG
20233

Dr.Web
Adware.Downware.1166
9.0.1.020

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.InstallRex
8.16.01.20.07

ESET NOD32
Win32/InstalleRex.J potentially unwanted application
10.7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
1/20/2016

F-Prot
W32/InstallRex.B
v6.4.6.5.141

F-Secure
Riskware.Gen:Variant.Application.Bundler
11.2016-20-01_4

G Data
Win32.Application.InstalleRex
16.1.24

IKARUS anti.virus
PUA.InstallRex
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.186.14174

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.786

Malwarebytes
PUP.Optional.Installex
v2016.01.20.07

McAfee
PUP-FHQ
5600.6514

MicroWorld eScan
Gen:Variant.Application.Bundler.InstallRex.2
17.0.0.60

NANO AntiVirus
Riskware.Win32.Agent.crfilp
0.28.6.63726

Norman
Gen:Variant.Application.Bundler.InstallRex.2
11.20160120

nProtect
Trojan-Clicker/W32.Agent.300096
14.08.25.01

Panda Antivirus
PUP/TSUploader
16.01.20.07

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.B5
1.16.14.00

Reason Heuristics
Adware.WebPick.Installer (M)
16.1.20.19

Rising Antivirus
PE:Malware.Agent!6.25
23.00.65.16118

Sophos
InstallRex
4.98

SUPERAntiSpyware
PUP.InstallRex/Variant
9373

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4150696
40552

Zillya! Antivirus
Trojan.StartPage.Win32.19333
2.0.0.1995

File size:
293.6 KB (300,616 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\download.exe

Digital Signature
Signed by:
Rafael Leviev

Authority:
COMODO CA Limited

Valid from:
1/30/2013 1:00:00 AM

Valid to:
1/31/2014 12:59:59 AM

Subject:
CN=Rafael Leviev, O=Rafael Leviev, STREET=Shoshan 2, L=Lod, S=Shfela, PostalCode=71456, C=IL

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

Serial number:
008E0D8F39B2E360E15B22563ED8C6879A

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:arkF6Y0JQBkQRl7174NpNUM+UHs+T87bUw4Ms9Cbk8rFK7S6B8ON+FU1nr12d:arkF63yRl1uqM+gs+VzHp8rF2dN+FUHS

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 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=50478366&publisher_id=047&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=151435098&external_id=0&session_id=302870196&hardware_id=353348562&installer_file_name=download

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