» dvzkbw4v.exe
Overview
Analysis
File Details
Network (1)

dvzkbw4v.exe

Yakov Cohen

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions which inject ads in the browser. The file dvzkbw4v.exe, “Installer for StarApp” by Yakov Cohen 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:

dvzkbw4v.exe

Publisher:

StarApp (signed by Yakov Cohen)

Product:

StarApp

Description:

Installer for StarApp

Version:

2013.7.4.1638

MD5:

9a0f5378ddb7b1db5446140f21039575

SHA-1:

679f4238f1782d71b71213dbabaae81b722f1e01

SHA-256:

b7d01d252dab0de0057e3a9c819a22e0c24851efa6f6e521b8d1d853e23904f3

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 7:30:00 PM UTC (today)

Scan engine

Detection

Engine version

Reason Heuristics

PUP.WebPick.YakovCohen.Installer (M)

16.2.13.6

File size:

291.9 KB (298,880 bytes)

Product version:

1.0.0.1

Original file name:

TSULoader.exe

Installer:

WebPick InstalleRex (Tarma)

Common path:

C:\users\{user}\appdata\local\temp\dvzkbw4v.exe.part

Digital Signature

Signed by:

Yakov Cohen

Authority:

COMODO CA Limited

Valid from:

8/2/2012 3:00:00 AM

Valid to:

8/3/2013 2:59:59 AM

Subject:

CN=Yakov Cohen, O=Yakov Cohen, STREET=Rodenski 10, L=Tel Aviv, S=Israel, PostalCode=69360, C=IL

Issuer:

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

Serial number:

009AF809F48BC879375BE578151D15C51C

File PE Metadata

Compilation timestamp:

3/12/2013 10:51:45 AM

OS version:

4.0

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

8.0

CTPH (ssdeep):

6144:jrk/9uEo2S1YnQmCX492DkwNP3qpYFYjwrShcFvViiyeVMPNuyloTaTuEG1:jrk1u6/eIo4+mhcF9iiyaMPNFlo531

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 communication in live environments.

TCP (HTTP):

Connects to r1.stylezip.info (54.186.255.26:80)

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