download.exe

Lior Sela

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions which inject ads in the browser. 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 greatfilesdatay.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:
2013.5.19.1708

MD5:
f408343bd2a4c701c36f22c37d9d2c7c

SHA-1:
ad817d4bdba673ba9c81581773e8c9234f5679f8

SHA-256:
5bcfc7c80012b34864bbe46b6573b0d798656c1483a89b3d361198690e6f4aec

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:
4/18/2024 6:37:00 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.WebPick.Installer (M)
16.6.3.2

File size:
284.8 KB (291,616 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\download.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
1/22/2013 2:00:00 AM

Valid to:
1/23/2014 1:59:59 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 10:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:Vrk+6Y0JQBkQRl7174NpNUM+UHs+1Mn3xGjPwWDfXezXFdr/U:Vrk+63yRl1uqM+gs+1ZwWSbr/U

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:
7.9530

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 communication in live environments.

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

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