kansas - carry on my wayward son.mp3.exe

Moshe Caspi

This program bundles adware during the download and install process using the InstaleRex pay-per-install app monetizer. The application kansas - carry on my wayward son.mp3.exe, “Installer for StarApp” by Moshe Caspi has been detected as adware by 30 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 Moshe Caspi)

Product:
StarApp

Description:
Installer for StarApp

Version:
2013.7.4.1638

MD5:
559440044ea776144bb89901615be3ce

SHA-1:
f37b57c51ff6bc8d8ed2d82939a8d878e8a918ab

SHA-256:
771029c1a30138de6d3d1adfcf71a0340956bc60f7abd9f0c437bde27a1d183f

Scanner detections:
30 / 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:
11/14/2018 12:03:12 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Generic.631812
941

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.07.09

Avira AntiVirus
Adware/Agent.aeph.60
7.11.159.122

avast!
Win32:Downloader-UZF [PUP]
140617-1

AVG
Adware AdInstaller.P
2014.0.3986

Bitdefender
Application.Generic.631812
1.0.20.950

Bkav FE
HW32.CDB
1.3.0.4959

Comodo Security
Application.Win32.Agent.V
18819

Dr.Web
Adware.Downware.1166
9.0.1.05190

ESET NOD32
Win32/InstalleRex.J potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
7/9/2014

F-Secure
Application.Generic.631812
11.2014-09-07_4

G Data
Application.Generic.631812
14.7.24

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.180.12657

Kaspersky
not-a-virus:AdWare.Win32.Agent
15.0.0.463

Malwarebytes
PUP.Optional.Installex
v2014.07.09.09

McAfee
PUP-FHQ
5600.7075

MicroWorld eScan
Application.Generic.631812
15.0.0.570

NANO AntiVirus
Riskware.Win32.Downware.crktko
0.28.0.60698

Panda Antivirus
PUP/TSUploader
14.07.09.09

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.B5
7.14.14.00

Reason Heuristics
Adware.WebPick.Installer.d
14.8.7.17

Rising Antivirus
PE:Malware.Agent!6.A30
23.00.65.14707

Sophos
InstallRex
4.98

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4753027
31088

Zillya! Antivirus
Adware.Agent.Win32.8483
2.0.0.1851

File size:
304.1 KB (311,440 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\kansas - carry on my wayward son.mp3.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

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

Valid to:
8/2/2013 7:59:59 PM

Subject:
CN=Moshe Caspi, O=Moshe Caspi, STREET=Hashuk 39, L=Tel Aviv, S=Israel, PostalCode=66067, C=IL

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

Serial number:
00B1B859272556EC39AF8F0E4A626C2ADC

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:Ir4D9uEo2S1YnQmCX492DkwNP3qpYFnz0pAXEei4XT9oTioLpgkq3Wuh:Ir45u6/eIo4WzxwrLpgIG

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:
7.9456

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file kansas - carry on my wayward son.mp3.exe has been seen being distributed by the following 3 URLs.

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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