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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 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:
TopApp software  (signed by Anton Melnikov)

Product:
TopApp software

Description:
Installer for TopApp software

Version:
2014.5.23.1127

MD5:
d8464d8ee8f1480727eed11b05ea7cce

SHA-1:
614a5bf9032b8e9e50e64b0003c974528480b2fb

SHA-256:
cb177247ef1c324942644b85b17aecbe7ccd19d6b28e8a58568010849c3ce461

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:
4/23/2024 6:04:02 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.11460103
403

Agnitum Outpost
Trojan.AntiFW
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2015.02.21

Avira AntiVirus
TR/AntiFW.b.109
7.11.211.180

avast!
Win32:InstalleRex-BV [PUP]
2014.9-151229

AVG
Generic
2016.0.2881

Bitdefender
Trojan.Generic.11947676
1.0.20.1815

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.6379

Clam AntiVirus
Win.Trojan.Antifw-8
0.98/20560

Comodo Security
Application.Win32.InstalleRex.KG
21150

Dr.Web
Threat.Undefined
9.0.1.0363

Emsisoft Anti-Malware
Trojan.Generic.11460103
8.15.12.29.02

ESET NOD32
Win32/InstalleRex.M potentially unwanted application
9.7.0.302.0

Fortinet FortiGate
Riskware/Generic.AC.4161048
12/29/2015

F-Prot
W32/InstallRex.B
v6.4.6.5.141

F-Secure
Trojan.Generic.11460103
11.2015-29-12_3

G Data
Trojan.Generic.11947676
15.12.25

IKARUS anti.virus
AdWare.Downloader.InstallRex
t3scan.1.9.5.0

K7 AntiVirus
Unwanted-Program
13.197.15038

Kaspersky
Trojan.Win32.AntiFW
14.0.0.899

Malwarebytes
PUP.Optional.InstalleRex
v2015.12.29.02

McAfee
Program.PUP-FHQ
5600.6537

MicroWorld eScan
Trojan.Generic.11947676
16.0.0.1089

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.30.0.296

Norman
Trojan.Generic.11460103
11.20151229

nProtect
Trojan/W32.AntiFW.323832
15.02.17.01

Panda Antivirus
PUP/TSUploader
15.12.29.02

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
12.15.14.00

Reason Heuristics
PUP.WebPick.AntonMelnikov.Installer (M)
15.12.29.2

Rising Antivirus
PE:Trojan.DL.Win32.AntiFW.a!1075355932
23.00.65.151227

Sophos
PUA 'InstallRex'
5.15

Vba32 AntiVirus
AdWare.Agent
3.12.26.3

VIPRE Antivirus
Threat.4150696
36694

Zillya! Antivirus
Trojan.AntiFW.Win32.215
2.0.0.2076

File size:
316.2 KB (323,768 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\002\t\00\00000000

Digital Signature
Signed by:
Anton Melnikov

Authority:
COMODO CA Limited

Valid from:
8/26/2013 8:00:00 PM

Valid to:
8/27/2014 7:59:59 PM

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 4:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:mrYbUzkuvcBYC47l2xLnvhueEZdkKQ3+7Oj7hTOVA1HWZ8:mrdkuveY3CvI5Zdkj6OEu1HS8

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:
7.9537

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=41114620&publisher_id=111&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=123343860&external_id=0&session_id=246687720&hardware_id=287802340&installer_file_name=00000000

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