download.exe

Lior Sela

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 download.exe, “Installer for StarApp” by Lior Sela 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 Lior Sela)

Product:
StarApp

Description:
Installer for StarApp

Version:
2013.5.4.1122

MD5:
0c017d9f656fffd33c934421a13f1227

SHA-1:
0ad771661383bc846a1092eec2c57da5ab09d7da

SHA-256:
358defdc84756ef3a9d6fe5cf9c459a83c09b28445060ec149edf3413d44eecc

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:
11/15/2024 9:54:06 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.InstallRex.2
394

Agnitum Outpost
Adware.Generic
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.06.21

Avira AntiVirus
ADWARE/InstallRex.Gen
7.11.155.242

avast!
Win32:InstalleRex-Q [PUP]
2014.9-160107

AVG
Skodna.Pick
2017.0.2872

Baidu Antivirus
Adware.Win32.Agent
4.0.3.1617

Bitdefender
Application.Generic.642338
1.0.20.35

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Adware.Agent-6646
0.98/20225

Comodo Security
Application.Win32.InstalleRex.KG
17982

Dr.Web
Adware.Downware.1166
9.0.1.07

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.InstallRex
8.16.01.07.02

ESET NOD32
Win32/InstalleRex.J potentially unwanted application
10.7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
1/7/2016

F-Prot
W32/InstallRex.B
v6.4.6.5.141

F-Secure
Riskware.Gen:Variant.Application.Bundler
11.2016-07-01_5

G Data
Application.Generic.642338
16.1.24

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Trojan
13.177.12109

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.854

Malwarebytes
PUP.Optional.Installex
v2016.01.07.02

McAfee
PUP-FHQ!13921D944D6B
5600.6528

MicroWorld eScan
Application.Generic.642338
17.0.0.21

NANO AntiVirus
Riskware.Win32.Adware.crcapm
0.28.0.58491

Norman
Application.Generic.591791
11.20160107

nProtect
Trojan-Clicker/W32.Agent.292640
14.04.24.02

Panda Antivirus
PUP/TSUploader
16.01.07.02

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)
16.1.7.2

Rising Antivirus
PE:Malware.Agent!6.25
23.00.65.16105

Sophos
InstallRex
4.98

SUPERAntiSpyware
PUP.InstallRex/Variant
9401

Trend Micro House Call
TROJ_GEN.R0CBH07LK13
7.2.7

Trend Micro
TROJ_SPNR.08IA13
10.465.07

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4753027
29708

Zillya! Antivirus
Worm.Luder.Win32.749
2.0.0.1832

File size:
284.8 KB (291,616 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:

Authority:
COMODO CA Limited

Valid from:
1/22/2013 8:00:00 AM

Valid to:
1/23/2014 7:59:59 AM

Subject:
CN=Lior Sela, O=Lior Sela, STREET=Moshe Sharet 46, L=Beer Sheva, S=Beer Sheva, PostalCode=84786, C=IL

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

Serial number:
00D39C56B89258E40E737B2AEDA8D3D3E5

File PE Metadata
Compilation timestamp:
3/12/2013 4:51:45 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:qrkec6Y0JQBkQRl7174NpNUM+UHs+UAw0f0AXW5LB/thRQyE:qrkx63yRl1uqM+gs+Bw0f0j9/jSyE

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 download.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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