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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 using the JustPlug.it browser framework. 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:
ClickIT  (signed by Moshe Karaso)

Product:
ClickIT

Description:
Installer

Version:
2013.1.24.1749

MD5:
26018d983ba88dd63e5736320345f93c

SHA-1:
1b8801e341021a62aff6818bdb7346737a193272

SHA-256:
660d520c3d7518763bab722446c3548087753fc13d94bc30114fe9742d4d00a1

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:
4/23/2024 8:59:45 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.10015117
6648196

Agnitum Outpost
Adware.Generic
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2015.03.02

Avira AntiVirus
Adware/Agent.316200
7.11.213.12

avast!
Win32:Downloader-TRK [Adw]
150101-1

AVG
Skodna.Bundle
2016.0.3183

Bitdefender
Trojan.Generic.10015117
1.0.20.305

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.6379

Clam AntiVirus
Win.Adware.Agent-6603
0.98/20133

Comodo Security
Application.Win32.Agent.X
21260

Dr.Web
Adware.Downware.836, Adware.Downware.851
9.0.1.05190

Emsisoft Anti-Malware
Trojan.Generic.10015117
9.0.0.4799

ESET NOD32
Win32/InstalleRex.E potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
3/2/2015

F-Prot
W32/InstallRex.B
4.6.5.141

F-Secure
Trojan.Generic.10015117
5.13.68

G Data
Trojan.Generic.10015117
15.3.25

IKARUS anti.virus
Win32.AdWare.AIZ
t3scan.1.8.6.0

K7 AntiVirus
Unwanted-Program
13.1915121

Kaspersky
not-a-virus:HEUR:Downloader.Win32.AdLoad
15.0.0.543

Malwarebytes
PUP.Optional.InstallRex
v2015.03.02.02

MicroWorld eScan
Trojan.Generic.10015117
16.0.0.183

NANO AntiVirus
Riskware.Win32.Downware.crfmit
0.30.0.296

Norman
Trojan.Generic.10015117
03.12.2014 13:20:04

nProtect
Trojan/W32.AntiFW.319576
15.02.27.01

Panda Antivirus
PUP/TSUploader
15.03.02.02

Qihoo 360 Security
Trojan.Generic
1.0.0.1015

Reason Heuristics
Adware.WebPick.Installer
15.3.2.2

Rising Antivirus
PE:Trojan.DL.Win32.AntiFW.a!1075355932
23.00.65.15228

Sophos
PUA 'InstallRex'
5.11

Vba32 AntiVirus
AdWare.Agent
3.12.26.3

VIPRE Antivirus
Threat.14871
37588

Zillya! Antivirus
Backdoor.Clack.Win32.146
2.0.0.2085

File size:
312.1 KB (319,576 bytes)

Product version:
1.0

Copyright:
Copyright © 2012 ClickIT

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

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

Digital Signature
Signed by:
Moshe Karaso

Authority:
COMODO CA Limited

Valid from:
11/15/2012 5:30:00 AM

Valid to:
11/16/2013 5:29:59 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:
11/30/2012 6:33:49 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:lrnm9UarEuMEvjr24HtrxTUGFVENUpvzRj70+UwIn7Zz+blDkbnTsY2x:lrnm9jEsX2utrxAG7ENS7bO7sblAUY2x

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:
7.9637

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=18443550&publisher_id=844&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=55330650&external_id=0&session_id=110661300&hardware_id=129104850&installer_file_name=pdfdownload

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