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fastdownload.exe

WoW Software

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 36 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:
WoW Worldwide Software LTD  (signed by Moshe Caspi)

Product:
WoW Software

Description:
Installer

Version:
2012.12.31.1118

MD5:
ce6643d3e9bf19a507b3eaf6117a89c7

SHA-1:
ba9c9da625618e4a11d5fa425aca5b46aa2a0bc2

SHA-256:
2d8f7f09cf9cfbedf4be0e31fc04e0d158b739ee5b77a90e48909c7a46c3e75b

Scanner detections:
36 / 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:
4/26/2024 12:14:05 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.InstallRex.2
354

Agnitum Outpost
Trojan.Rogue
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.06.14

Avira AntiVirus
TR/Rogue.8544644
7.11.146.188

avast!
Win32:Downloader-UZF [PUP]
2014.9-160215

AVG
Adware AdInstaller.P
2017.0.2832

Bitdefender
Adware.Generic.560695
1.0.20.230

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Trojan.Installerex-193
0.98/20550

Comodo Security
Application.Win32.InstalleRex.KG
18196

Dr.Web
Adware.Downware.1166
9.0.1.046

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.InstallRex
8.16.02.15.02

ESET NOD32
Win32/InstalleRex.E potentially unwanted application
10.7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
2/15/2016

F-Prot
W32/InstallRex.B
v6.4.6.5.141

F-Secure
Riskware.Gen:Variant.Application.Bundler
11.2016-15-02_2

G Data
Adware.Generic.560695
16.2.24

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Trojan
13.180.12657

Kaspersky
Trojan.Win32.Badur
14.0.0.657

Malwarebytes
PUP.Optional.InstallRex
v2016.02.15.02

MicroWorld eScan
Adware.Generic.560695
17.0.0.138

NANO AntiVirus
Riskware.Win32.Downware.ctkpkw
0.28.0.59608

Norman
Gen:Variant.Application.Bundler.InstallRex.2
11.20160215

nProtect
Trojan/W32.StartPage.306192
14.04.30.01

Panda Antivirus
PUP/TSUploader
16.02.15.02

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
PUA.Moshecaspi.Gen
2.16.14.00

Reason Heuristics
PUP.WebPick.MosheCaspi.Installer (M)
16.2.15.14

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.16213

Sophos
PUA 'InstallRex'
5.15

SUPERAntiSpyware
PUP.InstallerEx/Variant
9322

Trend Micro House Call
HV_INSTALLEREX_CI195298.RDXN
7.2.46

Vba32 AntiVirus
Downloader.AdLoad
3.12.26.0

VIPRE Antivirus
Installerex/WebPick
28752

Zillya! Antivirus
Downloader.Adload.Win32.16959
2.0.0.1774

File size:
300.5 KB (307,752 bytes)

Product version:
1.0

Copyright:
Copyright © 2012 WoW Worldwide Software LTD

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

Common path:
C:\windows\system\fastdownload.exe

Digital Signature
Signed by:
Moshe Caspi

Authority:
COMODO CA Limited

Valid from:
8/2/2012 7:00:00 AM

Valid to:
8/3/2013 6:59:59 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 8:03:49 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:urnmlRH9Oy6tq6JczwsIiPG2ZM8p3ABMLbl9MFJXgyPzl3zCCoK7K:urnaRH9Oy6tNJ4wsf1pwylsJXrM9j

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:
7.9619

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 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=69823946&publisher_id=982&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=209471838&external_id=0&session_id=418943676&hardware_id=488767622&installer_file_name=fastdownload

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