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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:
0657b9b0a76f5282d33c54c072841bc0

SHA-1:
b0aceb4b735d2900925c60dc2e88e18307a51f6b

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:
4/23/2024 10:58:32 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Generic.570790
427

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
15.12.05

Avira AntiVirus
ADWARE/InstallRex.Gen
7.11.143.80

avast!
Win32:InstalleRex-X [PUP]
2014.9-151205

AVG
AdInstaller.P
2016.0.2905

Baidu Antivirus
Adware.Win32.InstalleRex
4.0.3.15125

Bitdefender
Adware.Generic.570790
1.0.20.1695

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
9.0.1.0339

Emsisoft Anti-Malware
Adware.Generic.570790
8.15.12.05.11

ESET NOD32
Win32/InstalleRex.J potentially unwanted application
9.7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
12/5/2015

F-Prot
W32/InstallRex.B
v6.4.6.5.141

F-Secure
Adware.Generic.570790
11.2015-05-12_7

G Data
Adware.Generic.570790
15.12.24

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Trojan
13.176.11737

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.1018

Malwarebytes
PUP.Optional.Installex
v2015.12.05.11

McAfee
PUP-FHQ!68DB4CA7270C
5600.6561

MicroWorld eScan
Adware.Generic.570790
16.0.0.1017

NANO AntiVirus
Riskware.Win32.Agent.crfila
0.28.0.59048

Norman
Adware.Generic.570790
11.20151205

nProtect
Trojan.Generic.9472436
14.04.22.01

Panda Antivirus
PUP/TSUploader
15.12.05.11

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.B5
12.15.14.00

Reason Heuristics
Adware.WebPick.Installer (M)
15.12.5.11

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.151203

Sophos
InstallRex
4.98

SUPERAntiSpyware
PUP.InstallRex/Variant
9466

Trend Micro House Call
TROJ_GEN.R08NC0FCQ15
7.2.339

Trend Micro
TROJ_GEN.R08NC0FCQ15
10.465.05

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:
291.8 KB (298,800 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:\Documents and Settings\{user}\My documents\downloads\downloadsetup.exe

Digital Signature
Signed by:
Yakov Cohen

Authority:
COMODO CA Limited

Valid from:
8/1/2012 5:00:00 PM

Valid to:
8/2/2013 4:59:59 PM

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 1:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:zrk/9uEo2S1YnQmCX492DkwNP3qpYFYjwrShcFvViiyeVMPNuyloTaTuEGS:zrk1u6/eIo4+mhcF9iiyaMPNFlo53S

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:
7.9528

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.

http://superfilesdatay.asia/v1011?vYm&subid=792365837

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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