best.exe

Tuguu S.L.U.

The Tuguu download and install manager uses the DomalIQ installer to bundle additional adware offers such as toolbars and browser extensions during the setup process. This software distributes modified installers which are not the same as the original distributed by the author. The application best.exe by Tuguu S.L.U 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 TUGUU DomaIQ Setup installer. The file has been seen being downloaded from ttb.buify.com.
Publisher:
Tuguu S.L.U.  (signed and verified)

MD5:
0a27cf251bdc954815b5a6a3e20e3982

SHA-1:
2237b44eec8c44459c51cb7bd73ed936a65be32c

SHA-256:
a5ae72897ca976f7b77727f98ede0bcf3accb5c02004f6155ec7f1f7e8dfae6a

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Bundles third-party components such as adware in the installer.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/25/2024 2:48:16 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tuguu.TuguuU.Bundler (M)
16.1.28.1

File size:
447.5 KB (458,224 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
TUGUU DomaIQ Setup

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

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
8/27/2013 8:00:00 PM

Valid to:
8/27/2014 7:59:59 PM

Subject:
CN=Tuguu S.L.U., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Tuguu S.L.U., L=Adeje, S=SANTA CRUZ DE TENERIFE, C=ES

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
21FCDE5EAE401DF690786A73C48E74F8

File PE Metadata
Compilation timestamp:
12/5/2013 1:22:12 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:DK7a7KUexh62phxB7wyxGV6Z/4N49cCrtY9:bBe9tfGV6N4N4SQQ

Entry address:
0xD171

Entry point:
E8, A8, 56, 00, 00, E9, 78, FE, FF, FF, 6A, 0C, 68, 88, 23, 42, 00, E8, E5, 22, 00, 00, 83, 65, E4, 00, 8B, 75, 08, 3B, 35, 70, 98, 42, 00, 77, 22, 6A, 04, E8, 93, 58, 00, 00, 59, 83, 65, FC, 00, 56, E8, 9A, 60, 00, 00, 59, 89, 45, E4, C7, 45, FC, FE, FF, FF, FF, E8, 09, 00, 00, 00, 8B, 45, E4, E8, F1, 22, 00, 00, C3, 6A, 04, E8, 8E, 57, 00, 00, 59, C3, 8B, FF, 55, 8B, EC, 56, 8B, 75, 08, 83, FE, E0, 0F, 87, A1, 00, 00, 00, 53, 57, 8B, 3D, 8C, D0, 41, 00, 83, 3D, 14, 85, 42, 00, 00, 75, 18, E8, FA, 4C, 00...
 
[+]

Code size:
112 KB (114,688 bytes)

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

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