» k1ry7utc.exe
Overview
Analysis
File Details
Network (2)

k1ry7utc.exe

Yakov Cohen

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 k1ry7utc.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:

k1ry7utc.exe

Publisher:

StarApp (signed by Yakov Cohen)

Product:

StarApp

Description:

Installer for StarApp

Version:

2013.7.23.2048

MD5:

d0d8e11713f92a573b9c73ff95d97c01

SHA-1:

85ab61936a04b5b4296cfd33fac5a98616a50914

SHA-256:

d04a427939b5add667106928f3e25f0b91f09f07afc8be0539370eaf31659e77

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:

4/26/2024 9:31:46 PM UTC (today)

Scan engine

Detection

Engine version

Reason Heuristics

PUP.WebPick.YakovCohen.Installer (M)

16.2.14.8

File size:

293.2 KB (300,232 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\k1ry7utc.exe.part

Digital Signature

Signed by:

Yakov Cohen

Authority:

COMODO CA Limited

Valid from:

8/1/2012 8:00:00 PM

Valid to:

8/2/2013 7:59:59 PM

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 4:51:45 AM

OS version:

4.0

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

8.0

CTPH (ssdeep):

6144:jrk29uEo2S1YnQmCX492DkwNP3qpYFruKBCkW1vN8d5kGZUB1mGmafKgsJkwgBg8:jrkOu6/eIo4e1ivEKnmGmCBsJkZ

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:

7.9542

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=68616686&publisher_id=861&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=205850058&external_id=0&session_id=411700116&hardware_id=480316802&installer_file_name=k1ry7utc.part

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