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_span id=-selection_index24- class=-selection_index-___span_ download.exe

Stanislav Kabin

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 application _span id=-selection_index24- class=-selection_index-___span_ download.exe, “Installer for FreeWorldApp” by Stanislav Kabin 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. The file has been seen being downloaded from masterned.info. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
FreeWorldApp  (signed by Stanislav Kabin)

Product:
FreeWorldApp

Description:
Installer for FreeWorldApp

Version:
2014.9.28.1126

MD5:
ad79cbe65df4853f66c3c93c21c538b1

SHA-1:
5cd2f7b938dd5bd6d6d54b75236a3d7d9b7c1c00

SHA-256:
b3b12d054518eeab48686389ebb314f1f2b7af19f8f269697d5621329a810421

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:
11/15/2024 1:48:55 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.WebPick.Installer (M)
16.7.12.19

File size:
315.7 KB (323,272 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 FreeWorldApp

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\_span id=-selection_index24- class=-selection_index-___span_ download.exe

Digital Signature
Signed by:
Stanislav Kabin

Authority:
Unizeto Technologies S.A.

Valid from:
6/23/2014 4:28:15 AM

Valid to:
6/23/2015 4:28:15 AM

Subject:
E=Stanislav.Kabin@hotmail.com, CN=Stanislav Kabin, O=Stanislav Kabin, C=RU

Issuer:
CN=Certum Code Signing CA, OU=Certum Certification Authority, O=Unizeto Technologies S.A., C=PL

Serial number:
3469022839E88D596EA6FE14C990AF76

File PE Metadata
Compilation timestamp:
3/12/2013 1:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:UrcbUzkuvcBYC47l2x6VhrsvjcGUk6u2EOhB6nzuY5:UrhkuveY3bGkz6zuY5

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:
7.9505

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file _span id=-selection_index24- class=-selection_index-___span_ download.exe has been seen being distributed by the following URL.

http://masterned.info/.../span> Download

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=255702544&publisher_id=557&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=767107632&external_id=0&session_id=1534215264&hardware_id=1789917808&installer_file_name=_span+id=-selection_index24-+class=-selection_index-___span_+download

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