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 28 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:
1b648c3d6d263adb2b21f6e891194f54

SHA-1:
892bbeec8c5d2e272ea7ac50a33feec5017c5675

SHA-256:
8253280d41f095794d63deba5b3fb4814036312e2ffa026ba72336704bc0dfe2

Scanner detections:
28 / 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:
4/25/2024 4:08:19 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Generic.560598
836

Agnitum Outpost
Trojan.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.10.22

Avira AntiVirus
TR/StartPage.cab
7.11.180.138

avast!
Win32:Downloader-UZF [PUP]
141003-0

AVG
Adware AdInstaller.P
2014.0.4040

Bitdefender
Adware.Generic.560598
1.0.20.1475

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.4959

Comodo Security
Application.Win32.Agent.V
19871

Dr.Web
Adware.Downware.1166
9.0.1.05190

Emsisoft Anti-Malware
Adware.Generic.560598
14.10.22

ESET NOD32
Win32/InstalleRex.E potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
10/22/2014

F-Prot
W32/AdInstall.C.gen
4.6.5.141

F-Secure
Adware.Generic.560598
11.2014-22-10_4

G Data
Adware.Generic.560598
14.10.24

K7 AntiVirus
Unwanted-Program
13.184.13741

Malwarebytes
PUP.Optional.InstallRex
v2014.10.22.06

MicroWorld eScan
Adware.Generic.560598
15.0.0.885

NANO AntiVirus
Riskware.Win32.Downware.ctkpnd
0.28.2.62841

nProtect
Trojan/W32.Badur.306264
14.10.21.01

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.MosheCaspi.M
14.10.22.6

Sophos
InstallRex
4.98

Trend Micro House Call
HV_INSTALLREX_CI19569A.RDXN
7.2.295

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
34140

Zillya! Antivirus
Trojan.StartPage.Win32.18381
2.0.0.1962

File size:
299.1 KB (306,264 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:

Authority:
COMODO CA Limited

Valid from:
8/2/2012 2:00:00 AM

Valid to:
8/3/2013 1:59:59 AM

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:
11/30/2012 2:03:49 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:LrnLlRH9Oy6tq6JczwsIiPGzM/kjql9zmW5vkJFFwX4XTAtbmw:LrnZRH9Oy6tNJ4wsC84ql9j5voX8t6w

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 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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