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- stardust medley with dust mp3.exe

Sergey Petrov

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 - stardust medley with dust mp3.exe, “Installer for Rightapp software” by Sergey Petrov has been detected as adware by 32 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:
Rightapp software  (signed by Sergey Petrov)

Product:
Rightapp software

Description:
Installer for Rightapp software

Version:
2014.4.17.2053

MD5:
bde176f67674af0e3ee9493320b273c0

SHA-1:
8b292d993f342ae9073557e4e9b5f1d7c050c029

SHA-256:
804d8b4d92b7f9420d3a2fff150d6baecdf2d840ff448a3e231be715d1501f02

Scanner detections:
32 / 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:
4/24/2024 5:27:19 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Generic.675597
5549295

Agnitum Outpost
Trojan.AntiFW
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2015.05.23

Avira AntiVirus
TR/Rogue.11241865
8.3.1.6

avast!
Win32:InstalleRex-BI [PUP]
150521-0

AVG
InstallRex
2016.0.3101

Bitdefender
Application.Generic.675597
1.0.20.710

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.InstalleRex.KG
22210

Dr.Web
Trojan.WebPick.29
9.0.1.05190

Emsisoft Anti-Malware
Application.Generic.675597
10.0.0.5366

ESET NOD32
Win32/InstalleRex.P potentially unwanted application
7.0.302.0

Fortinet FortiGate
W32/Generic.AC.4161048
5/22/2015

F-Prot
W32/InstallRex.B
4.6.5.141

F-Secure
Riskware.Application.Generic.675597
5.14.151

G Data
Application.Generic.675597
15.5.25

K7 AntiVirus
Unwanted-Program
13.204.16000

Kaspersky
Trojan.Win32.AntiFW
14.0.0.2002

Malwarebytes
PUP.Optional.Installrex
v2015.05.22.03

McAfee
Program.PUP-FHQ
17.6.569.0

MicroWorld eScan
Application.Generic.675597
16.0.0.426

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.30.24.1636

Norman
Application.Generic.675597
03.12.2014 13:20:04

nProtect
Trojan/W32.AntiFW.335608
15.05.22.01

Panda Antivirus
PUP/TSUploader
15.05.22.03

Quick Heal
PUA.Sergeypetr.Gen
5.15.14.00

Reason Heuristics
Adware.AdInjector.Installer.WebPick
15.5.22.15

Rising Antivirus
PE:Trojan.DL.Win32.AntiFW.a!1075355932
23.00.65.15520

Sophos
PUA 'InstallRex'
5.14

Vba32 AntiVirus
AdWare.Agent
3.12.26.4

VIPRE Antivirus
Threat.4753027
40432

Zillya! Antivirus
Trojan.AntiFW.Win32.278
2.0.0.2187

File size:
327.7 KB (335,608 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 Rightapp software

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Common path:
C:\users\{user}\downloads\- stardust medley with dust mp3.exe

Digital Signature
Signed by:
Sergey Petrov

Authority:
COMODO CA Limited

Valid from:
8/20/2013 8:00:00 PM

Valid to:
8/21/2014 7:59:59 PM

Subject:
CN=Sergey Petrov, O=Sergey Petrov, STREET=Gaydara 13, L=Kyev, S=Kyev, PostalCode=01033, C=UA

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

Serial number:
0AD084E865D27CD546D21DB6EDF89D48

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:frYbUzkuvcBYC47l2xD5yeXezc22Gk6lg3oFB1bt+6AdI5eVg:frdkuveY3C5yaGkeg3oFbt+FC5eC

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:
7.9270

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 communication in live environments.

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

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