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descargar ahora.exe

Boris Burkin

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 descargar ahora.exe, “Installer for TopApp software” by Boris Burkin 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 iframe.guidehoome.com. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
TopApp software  (signed by Boris Burkin)

Product:
TopApp software

Description:
Installer for TopApp software

Version:
2014.5.23.1127

MD5:
2b896f8c9291f41db836573dcf67370a

SHA-1:
c586dd19972680f726f9df2f79332b15490b107d

SHA-256:
b8c4ef7967980698d0c214c396926d055b2aa8eb9c590b0d87e9dd16922ac2bc

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:
12/26/2024 1:03:04 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware (M)
17.2.26.8

File size:
315.1 KB (322,632 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 TopApp software

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

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

Digital Signature
Signed by:
Boris Burkin

Authority:
COMODO CA Limited

Valid from:
9/19/2013 2:00:00 AM

Valid to:
9/20/2014 1:59:59 AM

Subject:
CN=Boris Burkin, O=Boris Burkin, STREET=Tankistiv 14, L=Kyiv, S=Kyivska, PostalCode=03061, C=UA

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

Serial number:
033AD040336E8286DF7ACF4D4908361F

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

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 ahora.exe has been seen being distributed by the following URL.

http://iframe.guidehoome.com/3dddd45413930ccfb3f54682286e72c6/brioba/dl.php?id=1400885628852017482&r=http://applicationgrabb.com/.../?&q=descargar ahora&product_name=descargar ahora&installer_file_name=descargar ahora&id=1400885628852017482&d=2937&q=descargar ahora&__rnd=e730dd8d09b60cb0f8544a1ddbaab596&q=descargar ahora&affiliate_id=108x24_es&__rnd=59e000a5ff323af2ad1c38535f8cac34

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=608255264&publisher_id=082&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=1824765792&external_id=0&session_id=3649531584&hardware_id=4257786848&installer_file_name=descargar+ahora

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