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 35 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:
2013.12.23.1757

MD5:
9347f5fd37a620cdfed3987865f20fce

SHA-1:
64b0a3753eca3822350e54139f24e4582d814927

SHA-256:
931cfe325d57a49b062b7f6cef984c6b60e66a7c3092766e4488a4939f798f1e

Scanner detections:
35 / 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 11:22:19 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.10213271
1047

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-AR [PUP]
2014.9-140324

AVG
MalSign.Generic
2015.0.3525

Bitdefender
Trojan.Generic.10213271
1.0.20.415

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
9.0.1.083

Emsisoft Anti-Malware
Trojan.Generic.10213271
8.14.03.24.02

ESET NOD32
Win32/InstalleRex
8.9278

Fortinet FortiGate
Riskware/InstalleRex
3/24/2014

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

F-Secure
Trojan.Generic.10213271
11.2014-24-03_2

G Data
Trojan.Generic.10213271
14.3.22

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Trojan
13.176.11540

Kaspersky
not-a-virus:Downloader.Win32.AdLoad
14.0.0.4122

Malwarebytes
PUP.Optional.InstalleRex
v2014.03.24.02

McAfee
PUP-FFQ!304C1765A86C
5600.7181

MicroWorld eScan
Trojan.Generic.10213271
15.0.0.249

NANO AntiVirus
Riskware.Win32.Downware.cscobj
0.28.0.57029

nProtect
Backdoor/W32.Clack.320696
14.01.10.01

Panda Antivirus
Adware/TSUploader
14.03.24.02

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
23.00.65.14322

Sophos
InstallRex
4.96

SUPERAntiSpyware
Adware.InstalleRex/Variant
10435

Vba32 AntiVirus
Downware.TSU
3.12.24.3

VIPRE Antivirus
Installerex/WebPick
25324

Zillya! Antivirus
Downloader.Adload.Win32.16894
2.0.0.1775

File size:
313.1 KB (320,616 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)

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

Digital Signature
Signed by:

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:CrkP9uEo2S1YnQmCX492DkwNP3qpYFpdteedaMtBxOWUevASojincBS4:CrkFu6/eIo4mdt2M/lUevAzicv

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...
 
[+]

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 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=3285382&publisher_id=285&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=9856146&external_id=0&session_id=19712292&hardware_id=22997674&installer_file_name=download

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