wxdownload.exe

Setup

CloudSoft

This uses the software InstalleRex download manager which bundles a number of adware plugin and browser extensions and is distributed via TusFiles. The application wxdownload.exe has been detected as a potentially unwanted program by 35 anti-malware scanners. The program is a setup application that uses the Tarma Installer installer, however the file is not signed with an authenticode signature from a trusted source. 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

Product:
Setup

Description:
Installer

Version:
2012.12.19.1900

MD5:
140148e6c896f098562e5b554fb2077d

SHA-1:
ad28531472fd93490f39d27fde6e8f849d2a0438

SHA-256:
4dec49431b6fa3e6b8e41fb252f97e392211f5450e9a567bab8be0912c412e2b

Scanner detections:
35 / 68

Status:
Potentially unwanted

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

Analysis date:
11/24/2024 10:26:29 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.10396428
956

Agnitum Outpost
PUA.InstalleRex
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.01.24

Avira AntiVirus
Adware/InstallRex.X
7.11.126.198

avast!
Win32:InstalleRex-AI [PUP]
2014.9-140624

AVG
MalSign.Generic
2015.0.3434

Bitdefender
Trojan.Generic.10396428
1.0.20.875

Bkav FE
HW32.CDB
1.3.0.4959

Comodo Security
Application.Win32.InstalleRex.KG
17662

Dr.Web
Adware.Downware.771
9.0.1.05190

Emsisoft Anti-Malware
Trojan.Generic.10396428
8.14.06.24.05

ESET NOD32
Win32/InstalleRex.E potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
6/24/2014

F-Prot
W32/AdInstall.C.gen
4.6.5.141

F-Secure
Trojan.Generic.10396428
11.2014-24-06_3

G Data
Trojan.Generic.10396428
14.6.24

IKARUS anti.virus
PUA.BInstaller
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.178.12292

Kaspersky
Trojan.Win32.AntiFW
14.0.0.3664

Malwarebytes
PUP.Optional.Installrex
v2014.06.24.05

McAfee
PUP-FHQ!1F4116E31906
5600.7090

MicroWorld eScan
Trojan.Generic.10396428
15.0.0.525

NANO AntiVirus
Riskware.Win32.Downware.ctkpgl
0.28.0.58720

nProtect
Trojan.Generic.10396428
14.01.23.02

Panda Antivirus
Adware/TSUploader
14.06.24.05

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
6.14.14.00

Reason Heuristics
Threat.Win.Reputation.IMP
14.6.24.5

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.14622

Sophos
InstallRex
4.97

SUPERAntiSpyware
PUP.InstallerEx/Variant
10524

Trend Micro House Call
HV_INSTALLREX_CI19569A.RDXN
7.2.175

Vba32 AntiVirus
Downloader.AdLoad
3.12.24.3

VIPRE Antivirus
Trojan.Win32.Generic
25728

Zillya! Antivirus
Trojan.StartPage.Win32.18381
2.0.0.1836

File size:
295.8 KB (302,904 bytes)

Product version:
1.0

Copyright:
Copyright © 2012 CloudSoft

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
Tarma Installer

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\wxdownload.exe

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:YrnLlRH9Oy6tq6JczwsIiPGzM/kjql9zmW5vkJFFwX4XTAtbmX:YrnZRH9Oy6tNJ4wsC84ql9j5voX8t6X

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...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file wxdownload.exe has been seen being distributed by the following URL.

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