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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 33 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:
c58b1211052fecfb36a9a6e711aa5afd

SHA-1:
c8a78f7212b661ff225f60297cc1b684acbd70e5

SHA-256:
b5b73945c9c35f7bcd866b4ddcc23ca5c983f713865a765347fcdcb36b8da87b

Scanner detections:
33 / 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 11:17:19 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.11947676
6419895

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-DT [PUP]
150203-1

AVG
Generic
2016.0.3192

Bitdefender
Trojan.Generic.11947676
1.0.20.255

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.6379

Clam AntiVirus
Win.Trojan.Antifw-8
0.98/20082

Comodo Security
Application.Win32.InstalleRex.KG
21150

Dr.Web
Threat.Undefined
9.0.1.05190

Emsisoft Anti-Malware
Trojan.Generic.11947676
9.0.0.4799

ESET NOD32
Win32/InstalleRex.M potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/Generic.AC.4161048
2/20/2015

F-Prot
W32/InstallRex.B
4.6.5.141

F-Secure
Trojan.Generic.11947676
11.2015-20-02_6

G Data
Trojan.Generic.11947676
15.2.25

K7 AntiVirus
Unwanted-Program
13.197.15038

Kaspersky
Trojan.Win32.AntiFW
14.0.0.2457

Malwarebytes
PUP.Optional.InstalleRex
v2015.02.20.01

McAfee
Program.PUP-FHQ
16.8.708.2

MicroWorld eScan
Trojan.Generic.11947676
16.0.0.153

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.30.0.296

Norman
Trojan.Generic.11947676
03.12.2014 13:20:04

nProtect
Trojan/W32.AntiFW.323832
15.02.17.01

Panda Antivirus
PUP/TSUploader
15.02.20.01

Quick Heal
Trojan.AntiFW.A5
2.15.14.00

Reason Heuristics
PUP.Installer.AntonMelnikov
15.2.20.13

Rising Antivirus
PE:Trojan.DL.Win32.AntiFW.a!1075355932
23.00.65.15218

Sophos
PUA 'InstallRex'
5.10

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 (323,832 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\004\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+7Oj7hTOVA1HWZ9:mrdkuveY3CvI5Zdkj6OEu1HS9

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=18000100&publisher_id=800&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=54000300&external_id=0&session_id=108000600&hardware_id=126000700&installer_file_name=00000000

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