» cjnpttq_.exe
Overview
Analysis
File Details
Network (2)

cjnpttq_.exe

Moshe Caspi

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions using the JustPlug.it browser framework. The file cjnpttq_.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. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.

File name:

cjnpttq_.exe

Publisher:

StarApp (signed by Moshe Caspi)

Product:

StarApp

Description:

Installer for StarApp

Version:

2013.5.19.1708

MD5:

81def6abc473a32ab7fcabadd552d45b

SHA-1:

927e6d9b3c81e38d3efe9d2541ff71437371d923

SHA-256:

66f4d63ee7eca7357cac3a3cf21e3920814bfb44d0073880f9512793fa29ad44

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 2:05:26 AM UTC (today)

Scan engine

Detection

Engine version

Reason Heuristics

PUP.WebPick (M)

17.3.16.5

File size:

284.1 KB (290,872 bytes)

Product version:

1.0.0.1

Original file name:

TSULoader.exe

Installer:

WebPick InstalleRex (Tarma)

Language:

Language Neutral

Common path:

C:\users\{user}\appdata\local\temp\cjnpttq_.exe.part

Digital Signature

Signed by:

Moshe Caspi

Authority:

COMODO CA Limited

Valid from:

8/1/2012 8:00:00 PM

Valid to:

8/2/2013 7:59:59 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 4:51:45 AM

OS version:

4.0

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

8.0

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:

7.9531

Developed / compiled with:

Microsoft Visual C++

Code size:

7.5 KB (7,680 bytes)

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=634535998&publisher_id=345&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=1903607994&external_id=0&session_id=3807215988&hardware_id=4441751986&installer_file_name=cjnpttq_.part

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