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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 which inject ads in the browser. The application download.exe, “Installer for SummerSoft” by Eran Vaterfeld has been detected as adware by 38 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:
2013.8.29.1517

MD5:
80b29812b90dd2af58c841de7f472efa

SHA-1:
36588b9db2885d70a86003a8ad21638a34f1f926

SHA-256:
5dcbb1ca93ad357e852ab9fc83fecd1025fe8de6d5b7b47dd5079fdb1be8e951

Scanner detections:
38 / 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:
4/25/2024 2:40:12 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.InstallRex.2
391

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
16.01.09

Avira AntiVirus
TR/Rogue.9595794
7.11.141.180

avast!
Win32:InstalleRex-Z [PUP]
2014.9-160109

AVG
Adware Skodna.Generic
2017.0.2869

Bitdefender
Gen:Variant.Application.Bundler.InstallRex.2
1.0.20.45

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.4959

Clam AntiVirus
Win.Adware.577708
0.98/19297

Comodo Security
Application.Win32.InstalleRex.KG
18064

Dr.Web
Adware.Downware.1442
9.0.1.09

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.InstallRex
8.16.01.09.08

ESET NOD32
Win32/InstalleRex.K potentially unwanted application
10.7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
1/9/2016

F-Prot
W32/InstallRex.B
v6.4.6.5.141

F-Secure
Riskware.Gen:Variant.Application.Bundler
11.2016-09-01_7

G Data
Win32.Application.InstalleRex
16.1.24

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.176.11684

Kaspersky
not-a-virus:HEUR:Downloader.Win32.AdLoad
14.0.0.841

Malwarebytes
PUP.Optional.Installrex
v2016.01.09.08

McAfee
PUP-FDX!B50872A2FFF2
5600.6525

MicroWorld eScan
Gen:Variant.Application.Bundler.InstallRex.2
17.0.0.27

NANO AntiVirus
Riskware.Win32.Downware.ctkpjj
0.28.0.58873

Norman
Gen:Variant.Application.Bundler.InstallRex.2
11.20160109

nProtect
Trojan/W32.StartPage.306848
14.04.27.01

Panda Antivirus
PUP/TSUploader
16.01.09.08

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.B5
1.16.14.00

Reason Heuristics
Adware.WebPick.Installer (M)
16.1.9.20

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.16107

Sophos
InstallRex
4.98

SUPERAntiSpyware
Adware.InstalleRex/Variant
9395

Trend Micro House Call
TROJ_GEN.USCK25ACN
7.2.9

Trend Micro
TROJ_GEN.USCK25ACN
10.465.09

Vba32 AntiVirus
Downloader.AdLoad
3.12.26.0

VIPRE Antivirus
Installerex/WebPick
28115

Zillya! Antivirus
Downloader.Adload.Win32.16801
2.0.0.1797

File size:
296.1 KB (303,232 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:
7/10/2013 8:00:00 AM

Valid to:
7/11/2014 7:59:59 AM

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 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:LrkI6Y0JQBkQRl7174NpNUM+UHs+1bL28uDrexqtreJA3/fkqnZr8uyaNPl7JC+A:LrkI63yRl1uqM+gs+1+tPexUuA3/fBZ2

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:
7.9598

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://softwarethebest.info/.../

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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