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jj-st.exe

Shlomy Golani

This program bundles adware during the download and install process using the InstaleRex pay-per-install app monetizer. The application jj-st.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:
2013.8.27.1603

MD5:
06773f46137f27f2df4d2a794a4bc683

SHA-1:
ab28e8e8b0ae5b29ddf051caded1b259a1590355

SHA-256:
1ad08cc41230419bdb3635d0447bfbc211ee527baf938e2f4510049d3e3cea7c

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 8:12:02 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.WebPick.Installer (M)
15.10.15.7

File size:
294.5 KB (301,544 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\jj-st.exe

Digital Signature
Signed by:
Shlomy Golani

Authority:
COMODO CA Limited

Valid from:
1/16/2013 6:00:00 PM

Valid to:
1/17/2014 5:59:59 PM

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 3:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:HrkT9uEo2S1YnQmCX492DkwNP3qpYFJQmfgR8i39j8+w52QSWcNcvaV:HrkJu6/eIo4O87wUQS/WvaV

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:
7.9579

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file jj-st.exe has been seen being distributed by the following URL.

http://masterzillionpro.info/v688?product_name=JJ-ST&installer_file_name=JJ-ST&product_file_name=JJ-ST&product_download_url=http://d12.sharebeast.com:80/d/.../JJ-ST

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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