» j8nnsiqr.exe
Overview
Analysis
File Details
Network (2)

j8nnsiqr.exe

Ivan Kostin

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 j8nnsiqr.exe, “Installer for SummerSoft” by Ivan Kostin 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:

j8nnsiqr.exe

Publisher:

SummerSoft (signed by Ivan Kostin)

Product:

SummerSoft

Description:

Installer for SummerSoft

Version:

2013.9.24.1628

MD5:

394209a650adc548d702bf9fdee88002

SHA-1:

71b6abf59d2f936c795c4b8b898849e1de58dafd

SHA-256:

3cbfce52e5ce3e4741009fe36ce5082e543d71b9c9b2fa32cc05a317fab6aa0e

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:

4/24/2024 10:38:48 PM UTC (today)

Scan engine

Detection

Engine version

Reason Heuristics

PUP.WebPick.IvanKostin.Installer (M)

16.2.14.21

File size:

301.8 KB (309,016 bytes)

Product version:

1.0.0.1

Original file name:

TSULoader.exe

Installer:

WebPick InstalleRex (Tarma)

Common path:

C:\users\{user}\appdata\local\temp\j8nnsiqr.exe.part

Digital Signature

Signed by:

Ivan Kostin

Authority:

COMODO CA Limited

Valid from:

8/25/2013 2:00:00 AM

Valid to:

8/26/2014 1:59:59 AM

Subject:

CN=Ivan Kostin, O=Ivan Kostin, STREET=Pobedy 33/1, L=Kyiv, S=Kyiv, PostalCode=03170, C=UA

Issuer:

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

Serial number:

00EB11D24CE6DDBBF752FE4DC3D683D2BF

File PE Metadata

Compilation timestamp:

3/12/2013 9:51:45 AM

OS version:

4.0

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

8.0

CTPH (ssdeep):

6144:JrkX6Y0JQBkQRl7174NpNUM+UHs+Q4qfYgiMNSNXzsz4d+O5ddKHcZjMUtUS772:JrkX63yRl1uqM+gs+1lGSNXzSopdgHcu

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=69142268&publisher_id=914&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=207426804&external_id=0&session_id=414853608&hardware_id=483995876&installer_file_name=j8nnsiqr.part

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