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 WinterSoft” 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:
WinterSoft  (signed by Ivan Kostin)

Product:
WinterSoft

Description:
Installer for WinterSoft

Version:
2013.10.31.1157

MD5:
c3cb5952d2a9a71830e2925d77102666

SHA-1:
1326d098a671fa474bcecda528398e1b5a17924f

SHA-256:
8194ef4152c38862259b8f11de5c2ba9f6ffe6ae8d8f1822afbef23fc1b5f7f3

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:
4/20/2024 1:57:10 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.10017289
826

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
14.10.31

Avira AntiVirus
Adware/InstallRex.P.2
7.11.125.146

avast!
Win32:InstalleRex-AI [PUP]
141025-0

AVG
MalSign.Generic
2015.0.3304

Bitdefender
Trojan.Generic.10017289
1.0.20.1520

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Trojan.Installerex-1
0.98/19086

Comodo Security
Application.Win32.InstalleRex.LL
17627

Dr.Web
Adware.Downware.1541
9.0.1.0304

Emsisoft Anti-Malware
Trojan.Generic.10017289
8.14.10.31.09

ESET NOD32
Win32/InstalleRex
8.9303

Fortinet FortiGate
Riskware/InstalleRex
10/31/2014

F-Prot
W32/InstallRex.B
v6.4.6.5.141

F-Secure
Trojan.Generic.10017289
11.2014-31-10_6

G Data
Win32.Application.InstalleRex
14.10.24

IKARUS anti.virus
AdWare.InstallRex
t3scan.2.2.29

K7 AntiVirus
Trojan
13.176.11684

Kaspersky
not-a-virus:Downloader.Win32.AdLoad
14.0.0.3015

Malwarebytes
PUP.Optional.InstalleRex
v2014.10.31.09

McAfee
PUP-FED!2FED3C1F51F6
5600.6960

MicroWorld eScan
Trojan.Generic.10017289
15.0.0.912

NANO AntiVirus
Riskware.Win32.Downware.crdwjq
0.28.0.57029

nProtect
Adware/W32.Agent.311488
14.04.07.01

Panda Antivirus
Adware/TSUploader
14.10.31.09

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
10.14.14.00

Reason Heuristics
Adware.WebPick.Installer.I
14.10.31.21

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.141029

Sophos
InstallRex
4.96

SUPERAntiSpyware
Adware.InstalleRex/Variant
10265

Vba32 AntiVirus
Downware.TSU
3.12.24.3

VIPRE Antivirus
Installerex/WebPick
25508

Zillya! Antivirus
Downloader.Adload.Win32.16843
2.0.0.1774

File size:
304.2 KB (311,488 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2013 WinterSoft

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:
Ivan Kostin

Authority:
COMODO CA Limited

Valid from:
8/24/2013 7:00:00 PM

Valid to:
8/25/2014 6:59:59 PM

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 3:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:Trkw6Y0JQBkQRl7174NpNUM+UHs+tPvpqvpQAy+L9hMk+W60z4RRW/:Trkw63yRl1uqM+gs+tPvEpPy+rMzu/

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:
7.9593

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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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