download.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 download.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 iframe.safefulldownloady.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:
2013.5.4.1122

MD5:
245c4f08289cff4f8be45934dda68ebf

SHA-1:
4101b2ddb4e2589ebec1cd4c3059347065a23668

SHA-256:
fcf3994228c3a8ff80094604da34b5805b1fbb74bdd18b3c54d1c105b945c791

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:
5/3/2024 12:37:21 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.WebPick.Installer (M)
16.7.5.5

File size:
284.8 KB (291,640 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)

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
1/21/2013 9:00:00 PM

Valid to:
1/22/2014 8:59:59 PM

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 5:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:irkec6Y0JQBkQRl7174NpNUM+UHs+UAw0f0AXW5LB/thRQy0:irkx63yRl1uqM+gs+Bw0f0j9/jSy0

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 download.exe has been seen being distributed by the following URL.

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=242490772&publisher_id=424&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=727472316&external_id=0&session_id=1454944632&hardware_id=1697435404&installer_file_name=download

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