descargar.exe

Stanislav Kabin

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 application descargar.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:
020aa5ef89519788bd22127599f84c8a

SHA-1:
2002c9b41219a2557dff49d500d2c91b49ecd82b

SHA-256:
3d92f5548a558d609e4db1eeae7f221d363449af0abee961587199c285a69dc0

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 1:47:22 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware (M)
16.7.25.22

File size:
315.6 KB (323,216 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)

Common path:
C:\users\{user}\downloads\descargar.exe

Digital Signature
Signed by:

Authority:
Unizeto Technologies S.A.

Valid from:
6/23/2014 7:28:15 AM

Valid to:
6/23/2015 7:28:15 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 4:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:FrcbUzkuvcBYC47l2x6VhrsvjcGUk6u2EOhB6nzuY5w:FrhkuveY3bGkz6zuY5w

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 file descargar.exe has been seen being distributed by the following URL.

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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