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 32 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:
e637588fbe1a3b838d9db0060700beab

SHA-1:
36d6ce92e0c1b1ba56badb7f8689702aa2f9ae58

SHA-256:
6c21f139d3f23625b85a210590416d42289f0c37248c5ff35a3ba80f3beaaeb4

Scanner detections:
32 / 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 10:59:52 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
14.10.22

Avira AntiVirus
TR/Rogue.9595794
7.11.141.180

avast!
Win32:InstalleRex-Z [PUP]
141003-0

AVG
Adware Skodna.Generic.ANR
2014.0.4040

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
9.0.1.05190

ESET NOD32
Win32/InstalleRex.K potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
10/22/2014

F-Prot
W32/InstallRex.B
v6.4.6.5.141

G Data
Win32.Application.InstalleRex
14.10.24

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
15.0.0.494

Malwarebytes
PUP.Optional.Installrex
v2014.10.22.12

McAfee
PUP-FDX!B50872A2FFF2
5600.6969

NANO AntiVirus
Riskware.Win32.Downware.ctkpjj
0.28.0.58873

nProtect
Trojan/W32.StartPage.306848
14.04.27.01

Panda Antivirus
PUP/TSUploader
14.10.22.12

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.B5
10.14.14.00

Reason Heuristics
Adware.WebPick.Installer.I
14.10.22.12

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.141020

Sophos
InstallRex
4.98

SUPERAntiSpyware
Adware.InstalleRex/Variant
10284

Trend Micro House Call
TROJ_GEN.USCK25ACN
7.2.295

Trend Micro
TROJ_GEN.USCK25ACN
10.465.22

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:
296.2 KB (303,280 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:

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:brkI6Y0JQBkQRl7174NpNUM+UHs+1bL28uDrexqtreJA3/fkqnZr8uyaNPl7JCO:brkI63yRl1uqM+gs+1+tPexUuA3/fBZd

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.

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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