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fastdownload.exe

Setup

Artua Vladislav

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 fastdownload.exe by Artua Vladislav has been detected as adware by 28 anti-malware scanners. The program is a setup application that uses the WebPick InstalleRex (Tarma) installer. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
Premium  (signed by Artua Vladislav)

Product:
Setup

Description:
Installer

Version:
2012.5.17.2057

MD5:
cc388dc1fdff561a00b6665edddb9b5f

SHA-1:
b57d736347a57a790df88d9f421ac79b35b1bf2c

SHA-256:
366bb8fd1a39512667a548db345139d685d5d31ec64aac219b579339bc090169

Scanner detections:
28 / 68

Status:
Adware

Explanation:
Uses Web-Pick's 'File Product', an Installer which wraps various products and downloads and installs it silently through the process, hosted on TusFiles.

Analysis date:
4/23/2024 5:24:12 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Generic.376680
896

Agnitum Outpost
Riskware.InstallMate
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
14.08.22

Avira AntiVirus
Adware/Bundledz.C
7.11.137.190

avast!
Win32:InstallMate-CJ [PUP]
140813-1

AVG
Adware AdInstaller.PremiumInstaller
2015.0.3374

Bitdefender
Adware.Generic.376680
1.0.20.1170

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Adware.Downware-591
0.98/19300

Comodo Security
Application.Win32.Bundledz.C
17951

Dr.Web
Adware.Downware.97
9.0.1.05190

Emsisoft Anti-Malware
Adware.Generic.376680
8.14.08.22.08

ESET NOD32
Win32/InstallMate.A potentially unwanted application
7.0.302.0

F-Secure
Adware.Generic.376680
11.2014-22-08_6

G Data
Adware.Generic.376680
14.8.24

IKARUS anti.virus
AdWare.Allpremiumsoft
t3scan.1.6.1.0

MicroWorld eScan
Adware.Generic.376680
15.0.0.702

NANO AntiVirus
Riskware.Win32.Downware.ctkpkm
0.28.0.58491

nProtect
Trojan.Generic.8750467
14.05.16.01

Panda Antivirus
PUP/TSUploader
14.08.22.08

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.ArtuaVladislav.M
14.8.22.20

Rising Antivirus
PE:Malware.Bundledz!6.11CB
23.00.65.14820

Sophos
InstallRex
4.98

SUPERAntiSpyware
PUP.InstallMate
10405

Trend Micro House Call
HV_INSTALLEREX_CI1954E8.RDXN
7.2.234

Vba32 AntiVirus
Downloader.AdLoad
3.12.24.3

VIPRE Antivirus
Installerex/WebPick
27510

File size:
267.3 KB (273,672 bytes)

Product version:
1.0

Copyright:
Copyright © 2010 Premium

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

Digital Signature
Signed by:
Artua Vladislav

Authority:
COMODO CA Limited

Valid from:
2/21/2012 7:00:00 PM

Valid to:
2/21/2013 6:59:59 PM

Subject:
CN=Artua Vladislav, O=Artua Vladislav, STREET=HaRav Dangur 22, L=Bnei Braq, S=Israel, PostalCode=51282, C=IL

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

Serial number:
2E891F383001DD159332A0D089F55CE3

File PE Metadata
Compilation timestamp:
5/7/2012 12:44:06 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:vPUM4kmSjw/GYjgMOGHuHyohoaVAh/iscivw2iMtwrB5FM:vPUZbBLuHySU6PaDteM

Entry address:
0x14A3

Entry point:
55, 8B, EC, 81, EC, 24, 06, 00, 00, 53, 56, 33, F6, 57, 66, 89, B5, E4, FB, FF, FF, 89, 75, F4, 89, 75, FC, FF, 15, 68, 30, 40, 00, A3, 08, 44, 40, 00, FF, 15, 64, 30, 40, 00, 89, 45, F8, 68, 04, 01, 00, 00, 8D, 85, DC, F9, FF, FF, 50, 56, FF, 15, 60, 30, 40, 00, 85, C0, 75, 41, FF, 15, 5C, 30, 40, 00, 83, F8, 78, 75, 1A, 68, BC, 32, 40, 00, E8, 82, FB, FF, FF, 59, C7, 05, 0C, 44, 40, 00, FD, 00, 00, 00, E9, 13, 02, 00, 00, 50, 68, 98, 32, 40, 00, E8, 67, FB, FF, FF, 59, 59, C7, 05, 0C, 44, 40, 00, FF, 00...
 
[+]

Entropy:
7.9531

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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