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download.exe

Eran Vaterfeld

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 download.exe, “Installer for SummerSoft” by Eran Vaterfeld has been detected as adware by 31 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:
SummerSoft  (signed by Eran Vaterfeld)

Product:
SummerSoft

Description:
Installer for SummerSoft

Version:
2013.9.16.1852

MD5:
88d8419da766185818620ed3a1c6e864

SHA-1:
5d96066e70b2031406ab3a23f67a3b8e70cd95a0

SHA-256:
e1da1452bbd1b65a581cf2bce075a5c9ee4bcbdfe83291e2d11087dde1edd7b4

Scanner detections:
31 / 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:
4/24/2024 7:00:00 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstalleRex
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.06.29

Avira AntiVirus
TR/Rogue.9649400
7.11.157.134

avast!
Win32:InstalleRex-Z [PUP]
2014.9-140917

AVG
Skodna
2015.0.3348

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.4959

Clam AntiVirus
Win.Adware.577708
0.98/19297

Comodo Security
Application.Win32.InstalleRex.KG
18701

Dr.Web
Adware.Downware.1442
9.0.1.0260

ESET NOD32
Win32/InstalleRex.K potentially unwanted application
8.7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
9/17/2014

F-Prot
W32/InstallRex.B
4.6.5.141

G Data
Win32.Application.InstalleRex
14.9.24

herdProtect (fuzzy)
variant of wdh4xnvm31x4.exe (Adware)
2014.11.21.21

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.180.12553

Kaspersky
not-a-virus:HEUR:Downloader.Win32.AdLoad
14.0.0.3237

Malwarebytes
PUP.Optional.Installrex
v2014.09.17.04

McAfee
PUP-FDX
5600.7004

NANO AntiVirus
Riskware.Win32.Downware.crfmjh
0.28.0.60475

nProtect
Trojan/W32.StartPage.306848
14.04.27.01

Panda Antivirus
PUP/TSUploader
14.09.17.04

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.B5
9.14.14.00

Reason Heuristics
Adware.WebPick.Installer.I
14.9.17.16

Rising Antivirus
PE:Malware.InstallRex!6.3DD
23.00.65.14915

Sophos
InstallRex
4.98

SUPERAntiSpyware
Adware.InstalleRex/Variant
10354

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4753027
29708

Zillya! Antivirus
Trojan.StartPage.Win32.19645
2.0.0.1840

File size:
299.7 KB (306,896 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2012 SummerSoft

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

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

Digital Signature
Signed by:
Eran Vaterfeld

Authority:
COMODO CA Limited

Valid from:
7/9/2013 8:00:00 PM

Valid to:
7/10/2014 7:59:59 PM

Subject:
CN=Eran Vaterfeld, O=Eran Vaterfeld, STREET=Shtruk 15, L=Tel Aviv, S=Tel Aviv, PostalCode=64042, C=IL

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

Serial number:
00CF0201F072612C73F4F11FE23420B802

File PE Metadata
Compilation timestamp:
3/12/2013 4:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:Prka9uEo2S1YnQmCX492DkwNP3qpYF1aZpbdnMne3SLFjpjhGdO503+rhcZ:PrkCu6/eIo4Zf5nMmOjVG+O

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:
7.9580

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

http://lp.vaudix.com/.../Download.exe

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=10370518&publisher_id=037&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=31111554&external_id=0&session_id=62223108&hardware_id=72593626&installer_file_name=download

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