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. 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:
2012.5.1.1826

MD5:
97181c5d6020ae0208fd143200147a9b

SHA-1:
c3145c315a7b7191e77b8b317e4b001eac9d61c9

SHA-256:
3d81af815d205114c1818b71889684a70ac00c3b4641425148c111be740940b7

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 10:43:41 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]
2014.9-140418

AVG
MalSign.Skodna
2015.0.3500

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
9.0.1.0108

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
14.04.18.01

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
23.00.65.14416

Sophos
InstallRex
4.98

SUPERAntiSpyware
Adware.InstallMate
10658

Trend Micro House Call
HV_INSTALLEREX_CI0534C4.RDXN
7.2.108

Vba32 AntiVirus
Downloader.AdLoad
3.12.26.0

VIPRE Antivirus
Installerex/WebPick
28026

File size:
282.7 KB (289,472 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:

Authority:
COMODO CA Limited

Valid from:
2/22/2012 1:00:00 AM

Valid to:
2/22/2013 12:59:59 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:
4/26/2012 12:55:16 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:tgMZadJaCQK/rF6hfBuFq6mwijimO+f3JmRpoLBeF4w:tgMZadZFMuY1jiuJipoLQF4w

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...
 
[+]

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.

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)

Remove fastdownload.exe - Powered by Reason Core Security