» zkfu4ewc.exe
Overview
Analysis
File Details
Network (2)

zkfu4ewc.exe

Rafael Leviev

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 zkfu4ewc.exe, “Installer for StarApp” by Rafael Leviev 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:

zkfu4ewc.exe

Publisher:

StarApp (signed by Rafael Leviev)

Product:

StarApp

Description:

Installer for StarApp

Version:

2013.8.6.1937

MD5:

8b934b294cc175ed64fd7ba6d0b8f5b1

SHA-1:

66fa286b98f860d9a3fbfeb2f6a3b7df44131030

SHA-256:

d54a9f4a04258f468b7c5475e9861b23918f32240fd1ff4e257cd27e00532e71

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:

4/19/2024 2:57:37 PM UTC (today)

Scan engine

Detection

Engine version

Reason Heuristics

PUP.WebPick (M)

17.3.4.21

File size:

293.6 KB (300,608 bytes)

Product version:

1.0.0.1

Original file name:

TSULoader.exe

Installer:

WebPick InstalleRex (Tarma)

Common path:

C:\users\{user}\appdata\local\temp\zkfu4ewc.exe.part

Digital Signature

Signed by:

Rafael Leviev

Authority:

COMODO CA Limited

Valid from:

1/29/2013 10:00:00 PM

Valid to:

1/30/2014 9:59:59 PM

Subject:

CN=Rafael Leviev, O=Rafael Leviev, STREET=Shoshan 2, L=Lod, S=Shfela, PostalCode=71456, C=IL

Issuer:

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

Serial number:

008E0D8F39B2E360E15B22563ED8C6879A

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

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 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=617808676&publisher_id=178&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=1853426028&external_id=0&session_id=3706852056&hardware_id=4324660732&installer_file_name=zkfu4ewc.part

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