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pdfdownload.exe

Moshe Karaso

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions which inject ads in the browser. The application pdfdownload.exe by Moshe Karaso has been detected as adware by 34 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:
RightClick  (signed by Moshe Karaso)

Product:
RightClick

Description:
Installer

Version:
2013.1.31.1826

MD5:
860885518aabea95bcd8329aace112f6

SHA-1:
a2ed57e325e56c2742500be1a5277c9b55b4c18c

SHA-256:
b4d01a653604ff9485127dacd0352dfa178e18f8a1fbfe52ee2aac604ccac276

Scanner detections:
34 / 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 5:51:27 PM UTC  (today)

Scan engine
Detection
Engine version

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

Agnitum Outpost
PUA.InstalleRex
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.10.02

Avira AntiVirus
Adware/Agent.308056
7.11.201.216

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

AVG
Adware AdInstaller.P
2017.0.2832

Bitdefender
Trojan.Generic.10015938
1.0.20.230

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.6267

Clam AntiVirus
Win.Trojan.10020002
0.98/19772

Comodo Security
Application.Win32.InstalleRex.KG
20727

Dr.Web
Adware.Downware.893, Adware.Downware.906
9.0.1.046

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.InstallRex
8.16.02.15.04

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
Trojan.Generic.10015938
11.2016-15-02_2

G Data
Trojan.Generic.10015938
16.2.24

K7 AntiVirus
Unwanted-Program
13.191.14667

Kaspersky
not-a-virus:HEUR:Downloader.Win32.AdLoad
14.0.0.656

Malwarebytes
PUP.Optional.InstallRex
v2016.02.15.04

MicroWorld eScan
Trojan.Generic.10015938
17.0.0.138

NANO AntiVirus
Riskware.Win32.Downware.cscrfx
0.30.0.64448

nProtect
Trojan/W32.AntiFW.311432
15.01.16.01

Panda Antivirus
PUP/TSUploader
16.02.15.04

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Backdoor.Clack.r4
2.16.14.00

Reason Heuristics
Adware.WebPick.Installer (M)
16.2.15.16

Rising Antivirus
PE:Trojan.DL.Win32.AntiFW.a!1075355932
23.00.65.16213

Sophos
PUA 'InstallRex'
58

SUPERAntiSpyware
PUP.Offerware
9322

Trend Micro House Call
HV_INSTALLEREX_CI195424.RDXN
7.2.46

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4753027
35418

Zillya! Antivirus
Backdoor.Clack.Win32.148
2.0.0.2037

File size:
305.1 KB (312,456 bytes)

Product version:
1.0

Copyright:
Copyright © 2012 RightClick

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:
11/15/2012 7:00:00 AM

Valid to:
11/16/2013 6:59:59 AM

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:
1/17/2013 10:57:29 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:9rgjsvgcCC0Z18W2dGwhXFA0MvWpDWqGrmt+/Ovb12WzDr80aWqvhDebaeNI3dZq:9rgQYpC078WaGsRMvYWqmQx2WzDrj436

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 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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