home

fastdownload.exe

Setup

Moshe Caspi

This program bundles adware during the download and install process using the InstaleRex pay-per-install app monetizer. The application fastdownload.exe by Moshe Caspi has been detected as adware by 24 anti-malware scanners. The program is a setup application that uses the WebPick InstalleRex (Tarma) installer. The setup program uses Web-Pick's InstalleRex download manager and installer to bundle potentially unwanted ad-supported software which includes toolbars and browser extensions through a pay-per-install monetization scheme.
Publisher:
CloudSoft  (signed by Moshe Caspi)

Product:
Setup

Description:
Installer

Version:
2012.12.19.1900

MD5:
edcf45997f30bf0a2e15c09f6add9a3c

SHA-1:
90a2bae02863e2fb85a83b24fd630a75ebd2dc1c

SHA-256:
9ed166dfb51c116e4bbe39853ec1f05374a333f28146e2f2ac91771cf0378836

Scanner detections:
24 / 68

Status:
Adware

Explanation:
Uses the InstalleRex from WebPick Internet Holdings to install bundled add-ons including toolbars and other web browser extensions.

Analysis date:
4/19/2024 6:42:31 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2015.01.10

Avira AntiVirus
TR/StartPage.cab
7.11.200.114

avast!
Win32:Downloader-UZF [PUP]
150101-1

AVG
Adware AdInstaller.P
2014.0.4253

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.6267

Comodo Security
Application.Win32.Agent.V
20657

Dr.Web
Adware.Downware.1166
9.0.1.05190

ESET NOD32
Win32/InstalleRex.E potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
1/9/2015

F-Prot
W32/InstallRex.B
4.6.5.141

K7 AntiVirus
Unwanted-Program
13.190.14599

Kaspersky
Trojan.Win32.Badur
15.0.0.543

Malwarebytes
PUP.Optional.InstallRex
v2015.01.09.05

NANO AntiVirus
Riskware.Win32.Downware.ctkpnd
0.30.0.64448

Panda Antivirus
PUP/TSUploader
15.01.09.05

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.MosheCaspi.M
15.1.9.17

Rising Antivirus
PE:Trojan.DL.Win32.AntiFW.a!1075355932
23.00.65.15107

Sophos
PUA 'InstallRex'
5.09

Trend Micro House Call
HV_INSTALLREX_CI19569A.RDXN
7.2.9

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
36512

Zillya! Antivirus
Trojan.StartPage.Win32.18381
2.0.0.2031

File size:
299 KB (306,200 bytes)

Product version:
1.0

Copyright:
Copyright © 2012 CloudSoft

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:
Moshe Caspi

Authority:
COMODO CA Limited

Valid from:
8/1/2012 8:00:00 PM

Valid to:
8/2/2013 7:59:59 PM

Subject:
CN=Moshe Caspi, O=Moshe Caspi, STREET=Hashuk 39, L=Tel Aviv, S=Israel, PostalCode=66067, C=IL

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

Serial number:
00B1B859272556EC39AF8F0E4A626C2ADC

File PE Metadata
Compilation timestamp:
11/29/2012 8:03:49 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:LrnLlRH9Oy6tq6JczwsIiPGzM/kjql9zmW5vkJFFwX4XTAtbm3:LrnZRH9Oy6tNJ4wsC84ql9j5voX8t63

Entry address:
0x14DB

Entry point:
55, 8B, EC, 81, EC, 2C, 06, 00, 00, 53, 56, 33, DB, 57, 66, 89, 9D, DC, FB, FF, FF, 89, 5D, F4, 89, 5D, FC, FF, 15, 74, 30, 40, 00, A3, 08, 44, 40, 00, FF, 15, 70, 30, 40, 00, 8B, F8, 8D, 45, EC, 50, FF, 15, 6C, 30, 40, 00, FF, 15, 68, 30, 40, 00, 8B, F0, F7, D6, 33, F7, FF, 15, 64, 30, 40, 00, 33, F0, 8B, 45, F0, 33, 45, EC, 68, 04, 01, 00, 00, 33, F0, 8D, 85, D4, F9, FF, FF, 50, 53, FF, 15, 60, 30, 40, 00, 85, C0, 75, 41, FF, 15, 5C, 30, 40, 00, 83, F8, 78, 75, 1A, 68, A8, 32, 40, 00, E8, 43, FB, FF, FF...
 
[+]

Entropy:
7.9638

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://storagenl.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=16038142&publisher_id=603&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=48114426&external_id=0&session_id=96228852&hardware_id=112266994&installer_file_name=fastdownload

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