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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 using the JustPlug.it browser framework. 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. 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:
2012.4.3.1532

MD5:
0bf744c24f1d7675df9eb5934987988d

SHA-1:
92c7f8bd9e7f0ed88864f9cab7f742e8acb96bf9

SHA-256:
75c835b3cf05ce0529dedd3c49456976be73a2b06fc68b4c8b2ca935b4eab541

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:
4/26/2024 9:16:29 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Generic.376680
911

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
14.08.08

Avira AntiVirus
TR/Rogue.10238907
7.11.141.68

avast!
Win32:InstallMate-CJ [PUP]
2014.9-140410

AVG
MalSign.Skodna
2015.0.3508

Bitdefender
Adware.Generic.376680
1.0.20.1100

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Adware.444294
0.98/18355

Comodo Security
Application.Win32.Bundledz.C
18047

Dr.Web
Adware.Downware.97
9.0.1.0100

Emsisoft Anti-Malware
Adware.Generic.376680
8.14.08.08.12

ESET NOD32
Win32/InstallMate
8.9638

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

G Data
Adware.Generic.376680
14.8.24

IKARUS anti.virus
AdWare.Allpremiumsoft
t3scan.1.6.1.0

MicroWorld eScan
Adware.Generic.376680
15.0.0.660

NANO AntiVirus
Riskware.Win32.Downware.cvbqqp
0.28.0.58873

nProtect
Trojan.Generic.8750467
14.05.16.01

Panda Antivirus
PUP/TSUploader
14.04.10.02

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.ArtuaVladislav.M
14.8.8.0

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.14408

Sophos
InstallRex
4.98

SUPERAntiSpyware
Adware.InstallMate
10674

Trend Micro House Call
HV_INSTALLEREX_CI0534C4.RDXN
7.2.100

Vba32 AntiVirus
Downloader.AdLoad
3.12.26.0

VIPRE Antivirus
Installerex/WebPick
28026

File size:
271.5 KB (278,000 bytes)

Product version:
1.0

Copyright:
Copyright © 2010 Premium

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

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

Digital Signature
Signed by:
Artua Vladislav

Authority:
COMODO CA Limited

Valid from:
2/22/2012 2:00:00 AM

Valid to:
2/22/2013 1:59:59 AM

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:
3/30/2012 4:16:06 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:slXMQnkXdukexqpL72mEv5HVrXP326XstVxH:slStQUpL6TRVrXP3iVxH

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, C4, 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, A0, 32, 40, 00, E8, 67, FB, FF, FF, 59, 59, C7, 05, 0C, 44, 40, 00, FF, 00...
 
[+]

Entropy:
7.9499

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 communications in live environments.

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

TCP (HTTP):
Connects to c1.stylezip.info  (54.186.255.26:80)

 
http://c1.stylezip.info/?step_id=1&installer_id=3811380&publisher_id=811&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=11434140&external_id=0&session_id=22868280&hardware_id=26679660&installer_file_name=fastdownload

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