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00000000

Ivan Kostin

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions using the JustPlug.it browser framework. The file 00000000, “Installer for WinterSoft” by Ivan Kostin has been detected as adware by 38 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:
2013.10.21.1806

MD5:
5152d847afbcb515645bfb8c245a3cfd

SHA-1:
26083f3618d0d14ceb1afa46152812bfe677638c

SHA-256:
d949ad7dd06a811352b1845ed79e575e535c85bc67879663380c0fa88c43badb

Scanner detections:
38 / 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 7:18:39 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.12325877
355

Agnitum Outpost
Adware.Generic
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.11.14

Avira AntiVirus
ADWARE/InstallRex.Gen
7.11.185.112

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

AVG
InstallRex.2ef
2017.0.2833

Bitdefender
Trojan.Generic.12325877
1.0.20.230

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.4959

Clam AntiVirus
Win.Adware.Installrex-1
0.98/19441

Comodo Security
Application.Win32.InstalleRex.LL
20075

Dr.Web
Adware.Downware.1541
9.0.1.046

Emsisoft Anti-Malware
Trojan.Generic.12325877
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
v6.4.6.5.141

F-Secure
Trojan.Generic.12325877
11.2016-15-02_2

G Data
Win32.Application.InstalleRex
16.2.24

IKARUS anti.virus
PUA.InstallRex
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.185.14007

Kaspersky
Trojan.Win32.AntiFW
14.0.0.659

Malwarebytes
PUP.Optional.Installrex
v2016.02.15.06

McAfee
Program.PUP-FHQ
5600.6489

MicroWorld eScan
Trojan.Generic.12325877
17.0.0.138

NANO AntiVirus
Riskware.Win32.Downware.crdwir
0.28.6.63362

Norman
Trojan.Generic.12325877
11.20160215

nProtect
Trojan/W32.AntiFW.311104
14.09.26.01

Panda Antivirus
PUP/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
PUP.WebPick.IvanKostin.Installer (M)
16.2.15.6

Rising Antivirus
PE:Malware.Agent!6.25
23.00.65.16213

Sophos
PUA 'InstallRex'
5.10

SUPERAntiSpyware
Adware.InstalleRex/Variant
9322

Trend Micro House Call
TROJ_GEN.R00JC0FI614
7.2.46

Trend Micro
TROJ_GEN.R00JC0FI614
10.465.15

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4150696
34232

Zillya! Antivirus
Downloader.Adload.Win32.16838
2.0.0.1982

File size:
303.8 KB (311,104 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2013 WinterSoft

Original file name:
TSULoader.exe

Installer:
WebPick InstalleRex (Tarma)

Common path:
C:\users\{user}\appdata\local\3810282d-6c19-47b0-8283-5c6c29a7e108\default\file system\000\t\00\00000000

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:crkX6Y0JQBkQRl7174NpNUM+UHs+h43nRLFJO2t3OEhLSMwcU9P4WbXQx7T:crkX63yRl1uqM+gs+2RLTf+QLShvQx7T

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 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=69497176&publisher_id=949&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=208491528&external_id=0&session_id=416983056&hardware_id=486480232&installer_file_name=00000000

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