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minecraftdl_18528.exe

Sergey Petrov

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 application minecraftdl_18528.exe, “Installer for Puresafe” by Sergey Petrov has been detected as adware by 32 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:
Puresafe  (signed by Sergey Petrov)

Product:
Puresafe

Description:
Installer for Puresafe

Version:
2014.3.26.1709

MD5:
ca62042ce9071eb6c5f6f6f6831df9df

SHA-1:
2d65d8d3b4a9b8e809560dca24a39a08b64fdbc4

SHA-256:
3af9723405fed7a9792233f1d10f719284d11226386ec202e1a0bccacb960b59

Scanner detections:
32 / 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:
4/25/2024 8:37:40 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.11419881
826

Agnitum Outpost
Trojan.AntiFW
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.11.01

Avira AntiVirus
Adware/PureSafe.A
7.11.182.172

avast!
Win32:InstalleRex-BI [PUP]
141025-0

AVG
InstallRex
2015.0.3304

Bitdefender
Trojan.Generic.11419881
1.0.20.1525

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.6185

Comodo Security
Application.Win32.InstalleRex.KG
19960

Dr.Web
Trojan.WebPick.29
9.0.1.05190

Emsisoft Anti-Malware
Trojan.Generic.11419881
14.11.01

ESET NOD32
Win32/InstalleRex.P potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/Generic.AC.4161048
11/1/2014

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

F-Secure
Trojan.Generic.11419881
11.2014-01-11_7

G Data
Trojan.Generic.11419881
14.11.24

K7 AntiVirus
Unwanted-Program
13.185.13866

Kaspersky
Trojan.Win32.AntiFW
15.0.0.494

Malwarebytes
PUP.Optional.Installrex
v2014.11.01.06

McAfee
PUP-FHQ
5600.6960

MicroWorld eScan
Trojan.Generic.11419881
15.0.0.915

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.6.62995

nProtect
Trojan/W32.AntiFW.323856
14.10.31.01

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
11.14.14.00

Reason Heuristics
Adware.WebPick.Installer.R
14.11.1.5

Rising Antivirus
PE:Trojan.AntiFW!6.1747
23.00.65.141030

Sophos
InstallRex
4.98

SUPERAntiSpyware
Adware.InstallRex/Variant
10264

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4150696
34232

Zillya! Antivirus
Trojan.AntiFW.Win32.248
2.0.0.1973

File size:
316.3 KB (323,856 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 Puresafe

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Common path:
C:\users\{user}\downloads\minecraftdl_18528.exe

Digital Signature
Signed by:
Sergey Petrov

Authority:
COMODO CA Limited

Valid from:
8/21/2013 3:00:00 AM

Valid to:
8/22/2014 2:59:59 AM

Subject:
CN=Sergey Petrov, O=Sergey Petrov, STREET=Gaydara 13, L=Kyev, S=Kyev, PostalCode=01033, C=UA

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

Serial number:
0AD084E865D27CD546D21DB6EDF89D48

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:vr+bUzkuvcBYC47l2xUa0nvmas+8gGxvzbLxS8YXsypuewKmi8:vrXkuveY3z+U83tbLpmsgh/8

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:
7.9547

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=12816680&publisher_id=281&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=38450040&external_id=0&session_id=76900080&hardware_id=89716760&installer_file_name=minecraftdl_18528

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