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00000000

Anton Melnikov

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 TopApp software” by Anton Melnikov has been detected as adware by 31 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:
TopApp software  (signed by Anton Melnikov)

Product:
TopApp software

Description:
Installer for TopApp software

Version:
2014.5.23.1127

MD5:
9438a26ef18a47453f13cc95d4d578f3

SHA-1:
eb42fd7359fdf2cdd500e273f94c8da39b4fb4df

SHA-256:
e0bdbbd7cfa349e17420f836c3af38ecbf5dbe2a2ff570d09b18953f2fddc80b

Scanner detections:
31 / 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 8:36:06 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.11467980
835

Agnitum Outpost
Trojan.AntiFW
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.10.23

Avira AntiVirus
TR/AntiFW.b.109
7.11.180.204

avast!
Win32:InstalleRex-BV [PUP]
141023-1

AVG
Generic
2015.0.3313

Bitdefender
Trojan.Generic.11467980
1.0.20.1480

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.4959

Comodo Security
Application.Win32.InstalleRex.KG
19879

Dr.Web
Threat.Undefined
9.0.1.05190

Emsisoft Anti-Malware
Trojan.Generic.11467980
14.10.23

ESET NOD32
Win32/InstalleRex.M potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/Generic.AC.4161048
10/23/2014

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

F-Secure
Trojan.Generic.11467980
11.2014-23-10_5

G Data
Trojan.Generic.11467980
14.10.24

K7 AntiVirus
Unwanted-Program
13.184.13741

Kaspersky
Trojan.Win32.AntiFW
15.0.0.494

Malwarebytes
PUP.Optional.InstalleRex
v2014.10.23.04

McAfee
PUP-FHQ
5600.6969

MicroWorld eScan
Trojan.Generic.11467980
15.0.0.888

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.2.62841

nProtect
Trojan/W32.AntiFW.323808
14.10.22.01

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
10.14.14.00

Reason Heuristics
PUP.Installer.AntonMelnikov.I
14.10.23.4

Rising Antivirus
PE:Trojan.AntiFW!6.19C8
23.00.65.141021

Sophos
InstallRex
4.98

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4150696
33706

Zillya! Antivirus
Trojan.AntiFW.Win32.215
2.0.0.1965

File size:
316.2 KB (323,808 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 TopApp software

Original file name:
TSULoader.exe

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\google\chrome\user data\default\file system\008\t\00\00000000

Digital Signature
Signed by:
Anton Melnikov

Authority:
COMODO CA Limited

Valid from:
8/27/2013 2:00:00 AM

Valid to:
8/28/2014 1:59:59 AM

Subject:
CN=Anton Melnikov, O=Anton Melnikov, STREET=Borshagovskaya 117, L=Kiev, S=Kiev, PostalCode=03058, C=UA

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

Serial number:
008EFE75FFE332B06C663189A317121232

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:+rYbUzkuvcBYC47l2xLnvhueEZdkKQ3+7Oj7hTOVA1HWZz:+rdkuveY3CvI5Zdkj6OEu1HSz

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:
7.9538

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=12348916&publisher_id=234&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=37046748&external_id=0&session_id=74093496&hardware_id=86442412&installer_file_name=00000000

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