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navi-x-v37_8_2_3.zip.exe

Stas Kosmov

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions which inject ads in the browser. The application navi-x-v37_8_2_3.zip.exe, “Installer for BrilliantInstaller” by Stas Kosmov has been detected as adware by 22 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:
BrilliantInstaller  (signed by Stas Kosmov)

Product:
BrilliantInstaller

Description:
Installer for BrilliantInstaller

Version:
2014.6.4.1630

MD5:
ddfe70f87747334a71b17384afb12d2b

SHA-1:
cecb219777cdb7ecb4e8648d887b4f0d6357d334

SHA-256:
031ddecbcb1dba7ee2dbfba89ddd91eb6415533949b7d5b4d51fbf7346d457b8

Scanner detections:
22 / 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:
4/26/2024 2:34:58 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.AntiFW
7.1.1

Avira AntiVirus
TR/AntiFW.b.114
7.11.155.214

avast!
Win32:InstalleRex-BX [PUP]
140617-1

AVG
Generic
2015.0.3437

Comodo Security
Application.Win32.InstalleRex.KG
18608

Dr.Web
Trojan.WebPick.2627
9.0.1.05190

ESET NOD32
Win32/InstalleRex.M potentially unwanted application
7.0.302.0

G Data
Win32.Application.InstalleRex
14.6.24

IKARUS anti.virus
PUA.Kosmov
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.180.12478

Kaspersky
Trojan.Win32.AntiFW
15.0.0.463

Malwarebytes
PUP.Optional.InstalleRex
v2014.06.20.01

McAfee
PUP-FHQ
5600.7093

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.0.60253

Panda Antivirus
PUP/TSUploader
14.06.20.01

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
6.14.14.00

Reason Heuristics
Adware.WebPick.Installer.T
14.8.1.0

Sophos
InstallRex
4.98

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4150696
29708

Zillya! Antivirus
Trojan.AntiFW.Win32.253
2.0.0.1832

File size:
315.1 KB (322,624 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 BrilliantInstaller

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\navi-x-v37_8_2_3.zip.exe

Digital Signature
Signed by:
Stas Kosmov

Authority:
COMODO CA Limited

Valid from:
9/23/2013 7:00:00 PM

Valid to:
9/24/2014 6:59:59 PM

Subject:
CN=Stas Kosmov, O=Stas Kosmov, STREET=Levitana 21, L=Kiev, S=Kiev, PostalCode=03083, C=UA

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

Serial number:
7A2834207C5588F506D3CF09661E12F2

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):
6144:6r2bUzkuvcBYC47l2xib6HwzFyytCr88oDG1GI25i1snqq0ED:6r/kuveY3dGwUECr88oDG1GIS+bq0c

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:
7.9527

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file navi-x-v37_8_2_3.zip.exe has been seen being distributed by the following URL.

http://masterinset.net/.../?&q=Navi-X-v37_8_2_3.zip&product_name=Navi-X-v37_8_2_3.zip&installer_file_name=Navi-X-v37_8_2_3.zip&sn=1&q=Navi-X-v37_8_2_3.zip&external_id=1402121330055794111&self_redirect=1

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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