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tw-.exe

Shlomy Golani

This program bundles adware during the download and install process using the InstaleRex pay-per-install app monetizer. The application tw-.exe, “Installer for SummerSoft” by Shlomy Golani 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 masterzillionpro.info. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
SummerSoft  (signed by Shlomy Golani)

Product:
SummerSoft

Description:
Installer for SummerSoft

Version:
2013.8.29.1517

MD5:
c889cfdbc13420815499c848ee2b40a5

SHA-1:
f8ef4c5b09cc010781072c2c03dc75e2d3fb88ed

SHA-256:
5f9cf65715763260433dc75388fef35aeafc502e11e9eb650c22d4d8a63e85fb

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:
4/25/2024 11:01:12 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.WebPick.Installer (M)
16.2.23.13

File size:
296.4 KB (303,560 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2012 SummerSoft

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

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

Digital Signature
Signed by:
Shlomy Golani

Authority:
COMODO CA Limited

Valid from:
1/17/2013 1:00:00 AM

Valid to:
1/18/2014 12:59:59 AM

Subject:
CN=Shlomy Golani, O=Shlomy Golani, STREET=Wingate 56, L=Beer Sheva, S=Beer Sheva, PostalCode=84428, C=IL

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

Serial number:
009FC86200EC0FF58D1C39395238030858

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):
6144:6rkI6Y0JQBkQRl7174NpNUM+UHs+1bL28uDrexqtreJA3/fkqnZr8uyaNPl7JCXP:6rkI63yRl1uqM+gs+1+tPexUuA3/fBZU

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 tw-.exe has been seen being distributed by the following URL.

http://masterzillionpro.info/v688?product_name=TW-&installer_file_name=TW-&product_file_name=TW-&product_download_url=http://d8.sharebeast.com:80/d/.../TW-

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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