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pdfdownload.exe

WoW Software

Moshe Karaso

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions using the JustPlug.it browser framework. The application pdfdownload.exe by Moshe Karaso has been detected as adware by 26 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 Karaso)

Product:
WoW Software

Description:
Installer

Version:
2012.12.27.1719

MD5:
d37196d5c56edcbc3db59b25e79293b8

SHA-1:
e6d8a68670412baab784d6369d3927b209ff6fae

SHA-256:
b344eb1e50ec0c44536ab2c4008a917d3594e99b1ae69d096d06380ad34da180

Scanner detections:
26 / 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:
4/18/2024 8:34:24 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Adware.Generic
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.07.22

Avira AntiVirus
TR/Rogue.8568455
7.11.163.74

avast!
Win32:Downloader-UZF [PUP]
2014.9-160106

AVG
Adware AdInstaller.P
2017.0.2872

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.4959

Clam AntiVirus
Win.Adware.560695
0.98/19168

Comodo Security
Application.Win32.Agent.V
18928

Dr.Web
Adware.Downware.893, Adware.Downware.771
9.0.1.06

ESET NOD32
Win32/InstalleRex.E potentially unwanted application
10.7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
1/6/2016

F-Prot
W32/InstallRex.B
v6.4.6.5.141

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.181.12795

NANO AntiVirus
Riskware.Win32.Downware.croznm
0.28.2.60990

nProtect
Trojan/W32.StartPage.306192
14.04.30.01

Panda Antivirus
PUP/TSUploader
16.01.06.06

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
PUP.WebPick.MosheKaraso.Installer (M)
16.1.6.18

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.16104

Sophos
InstallRex
4.98

SUPERAntiSpyware
PUP.InstallerEx/Variant
9401

Trend Micro House Call
HV_STARTPAGE_CI19524A.RDXN
7.2.6

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4753027
31208

Zillya! Antivirus
Downloader.Adload.Win32.16959
2.0.0.1774

File size:
301.1 KB (308,296 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:\users\{user}\downloads\pdfdownload.exe

Digital Signature
Signed by:
Moshe Karaso

Authority:
COMODO CA Limited

Valid from:
11/14/2012 7:00:00 PM

Valid to:
11/15/2013 6:59:59 PM

Subject:
CN=Moshe Karaso, O=Moshe Karaso, STREET=Nahum 19, L=Ramat Gan, S=center, PostalCode=52233, C=IL

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

Serial number:
55036D3C9B5C690240A409061736347F

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:Rrnj9UarEuMEvjr24HtrxTUGFVEN4jEw/M+9e6JeA7hyLcjUKVwJs:Rrnj9jEsX2utrxAG7ENYLU+fIjL9KVZ

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

http://storagenl.info/.../?affiliate_id=eb2&uuid=753786

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=43251316&publisher_id=325&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=129753948&external_id=0&session_id=259507896&hardware_id=302759212&installer_file_name=pdfdownload

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