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microsoft office 2010 toolkit and ez-activator 2.2.3.exe

Lior Sela

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 microsoft office 2010 toolkit and ez-activator 2.2.3.exe, “Installer for StarApp” by Lior Sela has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the WebPick InstalleRex (Tarma) installer. The file has been seen being downloaded from superfilesdatay.asia. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
StarApp  (signed by Lior Sela)

Product:
StarApp

Description:
Installer for StarApp

Version:
2013.6.26.1519

MD5:
7d478ccd12667ce314a83b019409b1fa

SHA-1:
db8bf8b3a2644a5d37b1c37bca03297c211c8597

SHA-256:
40ea2048bcba78a686dce7268f2c1c306340773928f1e568fd5e5e6f5392435c

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses Web-Pick's 'File Product', an Installer which wraps various products and downloads and installs it silently through the process, hosted on TusFiles.

Analysis date:
4/23/2024 12:03:22 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware (M)
16.7.17.16

File size:
286.9 KB (293,784 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2012 StarApp

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\microsoft office 2010 toolkit and ez-activator 2.2.3.exe

Digital Signature
Signed by:
Lior Sela

Authority:
COMODO CA Limited

Valid from:
1/22/2013 1:00:00 AM

Valid to:
1/23/2014 12:59:59 AM

Subject:
CN=Lior Sela, O=Lior Sela, STREET=Moshe Sharet 46, L=Beer Sheva, S=Beer Sheva, PostalCode=84786, C=IL

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

Serial number:
00D39C56B89258E40E737B2AEDA8D3D3E5

File PE Metadata
Compilation timestamp:
3/12/2013 9:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:Vrke6Y0JQBkQRl7174NpNUM+UHs+/CIwET+LHDBf0SD2+Lz+vvdq:Vrke63yRl1uqM+gs+9wEMjG+Z0g

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...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file microsoft office 2010 toolkit and ez-activator 2.2.3.exe has been seen being distributed by the following URL.

http://superfilesdatay.asia/.../?product_name=Microsoft Office 2010 Toolkit and EZ-Activator 2.2.3&installer_file_name=Microsoft Office 2010 Toolkit and EZ-Activator 2.2.3&r=553

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=264670732&publisher_id=646&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=794012196&external_id=0&session_id=1588024392&hardware_id=1852695124&installer_file_name=microsoft+office+2010+toolkit+and+ez-activator+2.2.3

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