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downloadmanager.exe

Moshe Caspi

This program bundles adware during the download and install process using the InstaleRex pay-per-install app monetizer. The application downloadmanager.exe, “Installer for StarApp” by Moshe Caspi 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.storebox1.info. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
StarApp  (signed by Moshe Caspi)

Product:
StarApp

Description:
Installer for StarApp

Version:
2013.7.23.2048

MD5:
55b24b016829aaa72002fefb0302eea4

SHA-1:
09601fd9f63d3ce54320ca479c64554fc2482e74

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:
12/26/2024 1:42:46 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware (M)
16.8.7.4

File size:
310.8 KB (318,272 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:\documents and settings\nadia\meus documentos\downloads\downloadmanager.exe

Digital Signature
Signed by:
Moshe Caspi

Authority:
COMODO CA Limited

Valid from:
8/1/2012 9:00:00 PM

Valid to:
8/2/2013 8:59:59 PM

Subject:
CN=Moshe Caspi, O=Moshe Caspi, STREET=Hashuk 39, L=Tel Aviv, S=Israel, PostalCode=66067, C=IL

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

Serial number:
00B1B859272556EC39AF8F0E4A626C2ADC

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:mrwD9uEo2S1YnQmCX492DkwNP3qpYFJ+Oj6E2nlfcI8nskBw0syE57vw1Awgy:mrAu6/eIo4o+Uj2nlR3V7vw1Ay

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

http://www.storebox1.info/v1160?product_name=Uploaded&product_title=Uploaded&filesize=813757677&installer_file_name=DownloadManager&product_file_name=JUSTDVD1.rar&product_download_url=http://am4-r1f1-stor06.uploaded.net/.../5caf3e80-32e5-4773-ba44-42e2b1273a2c

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=304195788&publisher_id=041&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=912587364&external_id=0&session_id=1825174728&hardware_id=2129370516&installer_file_name=downloadmanager

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