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audio 20120512_shinhwa concert in taipei_by teiko.mp3.exe

Setup

Natan Risman

This program bundles adware during the download and install process using the InstaleRex pay-per-install app monetizer. The application audio 20120512_shinhwa concert in taipei_by teiko.mp3.exe by Natan Risman 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 www.storagenl.info. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
Premium  (signed by Natan Risman)

Product:
Setup

Description:
Installer

Version:
2012.10.11.1607

MD5:
354b88e36ac4b6db6105ab0b0a0e1067

SHA-1:
fa353243e45a6510db3cac8a0ae8b609ad2ed7b8

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:
12/25/2024 12:22:26 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.NatanRis.Installer (M)
16.4.28.1

File size:
295.4 KB (302,512 bytes)

Product version:
1.0

Copyright:
Copyright © 2010 Premium

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Common path:
C:\Documents and Settings\{user}\My documents\downloads\audio 20120512_shinhwa concert in taipei_by teiko.mp3.exe

Digital Signature
Signed by:
Natan Risman

Authority:
COMODO CA Limited

Valid from:
6/6/2012 8:00:00 AM

Valid to:
6/7/2013 7:59:59 AM

Subject:
CN=Natan Risman, O=Natan Risman, STREET=Gordon 6, L=Tel Aviv, S=Israel, PostalCode=63407, C=IL

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

Serial number:
34640F50A673F31E25EF247830CCA289

File PE Metadata
Compilation timestamp:
10/1/2012 8:05:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:nkGd1DZxlWelOlMVDrcuJSsT4/ZOrss40AJq5aGI+MZX0RoeVJEmdX6B:nkGd1XlHlOqVncoTM4ssSJY3I+fVekKB

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:
7.9558

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file audio 20120512_shinhwa concert in taipei_by teiko.mp3.exe has been seen being distributed by the following URL.

http://www.storagenl.info/v34/?installer_file_name=Audio 20120512_SHINHWA CONCERT IN TAIPEI_BY TEIKO.mp3&product_name=[Audio] 20120512_SHINHWA CONCERT IN TAIPEI_BY TEIKO.mp3&product_download_url=http://fs05n1.sendspace.com/dllp/5efbb7fe79dbc25c6256751ed2d3bc87/507b25e1/000000/p6ug68/[Audio] 20120512_SHINHWA CONCERT IN TAIPEI_BY TEIKO.mp3&reffer=http://www.sendspace.com/.../p6ug68

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=143361982&publisher_id=433&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=430085946&external_id=0&session_id=860171892&hardware_id=1003533874&installer_file_name=audio+20120512_shinhwa+concert+in+taipei_by+teiko.mp3

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