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 QuickSet” by Ivan Kostin has been detected as adware by 36 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:
QuickSet  (signed by Ivan Kostin)

Product:
QuickSet

Description:
Installer for QuickSet

Version:
2013.11.20.1837

MD5:
234f01a61fa40c33854a79c1287e1d18

SHA-1:
d4a2be2ae3e29b9e58ebef9354590ad47c4992b6

SHA-256:
57dad0eaea996909596258432f2d8b086e47b3a321826b6b7c7dbc6a2d538509

Scanner detections:
36 / 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:
4/19/2024 2:31:18 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.10213271
354

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.01.12

Avira AntiVirus
Adware/InstallRex.bza
7.11.124.210

avast!
Win32:InstalleRex-AI [PUP]
2014.9-160215

AVG
MalSign.Generic
2017.0.2832

Baidu Antivirus
Adware.Win32.InstalleRex
4.0.3.16215

Bitdefender
Trojan.Generic.10213271
1.0.20.230

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.4959

Clam AntiVirus
Win.Trojan.Installerex-17
0.98/19168

Comodo Security
Application.Win32.InstalleRex.KG
17594

Dr.Web
Adware.Downware.1719
9.0.1.046

Emsisoft Anti-Malware
Trojan.Generic.10213271
8.16.02.15.06

ESET NOD32
Win32/InstalleRex.L potentially unwanted application
10.7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
2/15/2016

F-Prot
W32/InstallRex.B.gen
v6.4.7.1.166

F-Secure
Trojan.Generic.10213271
11.2016-15-02_2

G Data
Trojan.Generic.10213271
16.2.22

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Trojan
13.176.11540

Kaspersky
not-a-virus:Downloader.Win32.AdLoad
14.0.0.656

Malwarebytes
PUP.Optional.InstalleRex
v2016.02.15.06

McAfee
PUP-FFQ!304C1765A86C
5600.6488

MicroWorld eScan
Trojan.Generic.10213271
17.0.0.138

NANO AntiVirus
Riskware.Win32.Downware.cscobj
0.28.0.57029

nProtect
Backdoor/W32.Clack.320696
14.01.10.01

Panda Antivirus
Adware/TSUploader
16.02.15.06

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
2.16.14.00

Reason Heuristics
Adware.WebPick.Installer (M)
16.2.15.18

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.16213

Sophos
InstallRex
4.96

SUPERAntiSpyware
Adware.InstalleRex/Variant
9321

Vba32 AntiVirus
Downware.TSU
3.12.24.3

VIPRE Antivirus
Threat.4753027
29418

Zillya! Antivirus
Downloader.Adload.Win32.16894
2.0.0.1775

File size:
304.7 KB (311,992 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2013 QuickSet

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:
8/25/2013 3:00:00 AM

Valid to:
8/26/2014 2:59:59 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 10:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:jrkx9uEo2S1YnQmCX492DkwNP3qpYFkXdlP5IO5/OoCVHuy6SHZ86riVZkiizD:jrkHu6/eIo4RXdrIO5/OpVHd6Ky6riza

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:
7.9570

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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