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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 15 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:
2012.3.7.1650

MD5:
50fa8d06ea1245447a984f5ccf0db422

SHA-1:
7dc1617cc31c8cae162da60313074ac7c6a7892d

SHA-256:
4191aa1e08ffda21746273c49dbb05476a75f53f845ca8b63ff027202f5b2ead

Scanner detections:
15 / 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:
5/4/2024 3:34:04 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.InstallMate
7.1.1

Avira AntiVirus
ADWARE/Adware.Gen5
7.11.139.26

avast!
Win32:InstallMate-R [PUP]
2014.9-140327

AVG
AdInstaller.PremiumInstaller
2015.0.3523

Bkav FE
HW32.CDB
1.3.0.4959

Comodo Security
Application.Win32.Adware.Agent.kir
17999

Dr.Web
Tool.InstallToolbar.95
9.0.1.086

ESET NOD32
Win32/InstallMate
8.9600

Panda Antivirus
PUP/TSUploader
14.03.27.04

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.ArtuaVladislav.M
14.8.8.0

Rising Antivirus
PE:Malware.Adware!6.1528
23.00.65.14325

Sophos
InstallRex
4.98

Vba32 AntiVirus
Downloader.AdLoad
3.12.24.3

VIPRE Antivirus
Installerex/WebPick
27768

File size:
254.6 KB (260,720 bytes)

Product version:
1.0

Copyright:
Copyright © 2010 Premium

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Digital Signature
Signed by:
Artua Vladislav

Authority:
The USERTRUST Network

Valid from:
3/15/2011 9:00:00 AM

Valid to:
3/15/2012 8:59:59 AM

Subject:
CN=Artua Vladislav, O=Artua Vladislav, STREET=haRav Dangur 22, L=Bnei Braq, S=Israel, PostalCode=51281, C=IL

Issuer:
CN=UTN-USERFirst-Object, OU=http://www.usertrust.com, O=The USERTRUST Network, L=Salt Lake City, S=UT, C=US

Serial number:
302242B18FB354EA399140DBBA22B786

File PE Metadata
Compilation timestamp:
2/21/2012 7:53:26 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:R38FQXwb+GtmvcRdlLKmRMnQ7GK8y6MtqU8zn1b+v0PIB9IpIf:R3Ib+GRdencGKl856jIef

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:
7.9440

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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