home

download.exe

Ivan Kostin

This program bundles adware during the download and install process using the InstaleRex pay-per-install app monetizer. The application download.exe, “Installer for SummerSoft” by Ivan Kostin has been detected as adware by 29 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 Ivan Kostin)

Product:
SummerSoft

Description:
Installer for SummerSoft

Version:
2013.10.8.1205

MD5:
df62bd0a65394ba1d98cc7759c53c374

SHA-1:
cef23d24f14c0978156952ba583d195f5a17ed08

SHA-256:
4cb18819cd5450b268f042c75b26c611ac3393dfa6127f526d3257b1f92039ca

Scanner detections:
29 / 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:
4/20/2024 1:18:31 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.01.13

Avira AntiVirus
APPL/InstallRex.L
7.11.124.226

avast!
Win32:InstalleRex-AI [PUP]
2014.9-140808

AVG
Adware Skodna.Bundle
2015.0.3389

Comodo Security
Application.Win32.InstalleRex.KG
17601

Dr.Web
Adware.Downware.1541
9.0.1.0220

ESET NOD32
Win32/InstalleRex.K potentially unwanted application
8.7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
8/8/2014

G Data
Win32.Application.InstalleRex
14.8.22

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Trojan
13.176.11847

Kaspersky
Trojan.Win32.AntiFW
14.0.0.3440

Malwarebytes
PUP.Optional.InstalleRex
v2014.08.08.12

McAfee
PUP-FDX!BC73ABE5957E
5600.7045

NANO AntiVirus
Riskware.Win32.Downware.crfmiu
0.28.0.57029

nProtect
Adware/W32.Agent.311112
14.01.10.01

Panda Antivirus
Adware/TSUploader
14.08.08.12

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
8.14.14.00

Reason Heuristics
Adware.WebPick.Installer.I
14.8.8.0

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.14806

Sophos
InstallRex
4.96

SUPERAntiSpyware
Adware.InstalleRex/Variant
10435

Trend Micro House Call
TROJ_GEN.R0CBC0PAM14
7.2.220

Trend Micro
TROJ_GEN.R0CBC0PAM14
10.465.08

Vba32 AntiVirus
Downware.TSU
3.12.24.3

VIPRE Antivirus
Installerex/WebPick
25364

Zillya! Antivirus
Downloader.Adload.Win32.16833
2.0.0.1807

File size:
303.1 KB (310,424 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)

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

Digital Signature
Signed by:
Ivan Kostin

Authority:
COMODO CA Limited

Valid from:
8/25/2013 2:00:00 AM

Valid to:
8/26/2014 1:59:59 AM

Subject:
CN=Ivan Kostin, O=Ivan Kostin, STREET=Pobedy 33/1, L=Kyiv, S=Kyiv, PostalCode=03170, C=UA

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

Serial number:
00EB11D24CE6DDBBF752FE4DC3D683D2BF

File PE Metadata
Compilation timestamp:
3/12/2013 9:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:4rk66Y0JQBkQRl7174NpNUM+UHs+12DS8MQXfSFlm/qxMt1GwSHTDD:4rk663yRl1uqM+gs+YcQq781GTHT

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:
7.9578  (probably packed)

Code size:
7.5 KB (7,680 bytes)

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

http://lp.zpdownload.info/.../Download.exe

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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