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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 34 anti-malware scanners. The program is a setup application that uses the WebPick InstalleRex (Tarma) installer. The file has been seen being downloaded from premiumsafe.info. 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:
2012.7.10.1316

MD5:
86cf5eca78a4d88d91f9d509719cd74a

SHA-1:
9ecaae1ddb5d1772588c569de10ba48fbc7c8deb

SHA-256:
ad070f840d3fd57918027883043a8687ee63a3727fe46ae2a6a092aed2d2a432

Scanner detections:
34 / 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:
4/18/2024 1:08:47 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Generic.376680
381

Agnitum Outpost
Riskware.InstallMate
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
16.01.19

Avira AntiVirus
Adware/Bundledz.C
7.11.137.190

avast!
Win32:InstallMate-CJ [PUP]
2014.9-160119

AVG
Adware AdInstaller.PremiumInstaller
2017.0.2859

Bitdefender
Adware.Generic.376680
1.0.20.95

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Adware.320401
0.98/19286

Comodo Security
Application.Win32.Bundledz.C
17951

Dr.Web
Adware.Downware.97
9.0.1.019

Emsisoft Anti-Malware
Adware.Generic.376680
8.16.01.19.01

ESET NOD32
Win32/InstallMate potentially unwanted application
10.7.0.302.0

F-Secure
Adware.Generic.376680
11.2016-19-01_3

G Data
Adware.Generic.376680
16.1.24

IKARUS anti.virus
AdWare.Allpremiumsoft
t3scan.1.6.1.0

K7 AntiVirus
Adware
13.183.13358

Malwarebytes
PUP.Optional.InstallRex
v2016.01.19.01

McAfee
Trojan.Artemis!A74B15D4E53B
5600.6515

MicroWorld eScan
Adware.Generic.376680
17.0.0.57

NANO AntiVirus
Riskware.Win32.Downware.ctkpkm
0.28.0.58491

Norman
Adware.Generic.376028
11.20160119

nProtect
Trojan.Generic.8750467
14.05.16.01

Panda Antivirus
PUP/TSUploader
16.01.19.01

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
PUA.Artuavladi.Gen
1.16.14.00

Reason Heuristics
PUP.WebPick.ArtuaVladislav.Installer (M)
16.1.19.13

Rising Antivirus
PE:Malware.Bundledz!6.11CB
23.00.65.16117

Sophos
InstallRex
4.98

SUPERAntiSpyware
PUP.InstallMate
9376

Trend Micro House Call
HV_INSTALLEREX_CI1954E8.RDXN
7.2.19

Vba32 AntiVirus
Downloader.AdLoad
3.12.24.3

VIPRE Antivirus
Installerex/WebPick
27510

Zillya! Antivirus
Downloader.Adload.Win32.16952
2.0.0.1995

File size:
279.3 KB (285,960 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

Common path:
C:\users\{user}\downloads\fastdownload.exe

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:
6/21/2012 10:18:05 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:fOg7hprjhU+z3H9MGsN60N9VxooYThNfTG5o:fOg7hBlZbdhhK9rxk

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:
7.9519

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file fastdownload.exe has been seen being distributed by the following URL.

http://premiumsafe.info/.../

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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