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avast.exe

TUGUU, SL

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 avast.exe by TUGUU, SL 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. With this installer, users are expecting to download the free AVAST Antivirus but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
TUGUU, SL  (signed and verified)

MD5:
5c886d6e3eea663242f435d4b0f3b364

SHA-1:
a3012d2df4b8cd476bd0263ae62a5d5e8c542fdd

SHA-256:
fab55015117dc8aca31079d32cc9d1afc5a1c34d2c60063bf13a95f290b7cd62

Scanner detections:
1 / 68

Status:
Adware

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

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
12/25/2024 2:48:19 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tuguu (M)
16.8.10.8

File size:
695.5 KB (712,200 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
TUGUU DomaIQ Setup

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

Digital Signature
Signed by:
TUGUU, SL

Authority:
VeriSign, Inc.

Valid from:
11/26/2013 6:00:00 PM

Valid to:
11/27/2014 5:59:59 PM

Subject:
CN="TUGUU, SL", OU=Digital ID Class 3 - Microsoft Software Validation v2, O="TUGUU, SL", 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:
1DE894C9D18A7BB0CFA10F699F31A9A4

File PE Metadata
Compilation timestamp:
6/12/2014 11:51:29 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:QU6oMA7rc2KsGrWwZZS6mO6wbbS+kC7IuLy2HcP1N0Ye4xCxX+mXkh4z1zjKQLF7:7N7oPq6mO6sbS+kCcuLy289Pi

Entry address:
0x39F5

Entry point:
E8, 86, 3E, 00, 00, E9, 79, FE, FF, FF, 8B, FF, 55, 8B, EC, 51, 53, 56, 57, FF, 35, 48, 1D, 42, 00, E8, 50, 17, 00, 00, FF, 35, 44, 1D, 42, 00, 8B, F8, 89, 7D, FC, E8, 40, 17, 00, 00, 8B, F0, 59, 59, 3B, F7, 0F, 82, 83, 00, 00, 00, 8B, DE, 2B, DF, 8D, 43, 04, 83, F8, 04, 72, 77, 57, E8, 41, 40, 00, 00, 8B, F8, 8D, 43, 04, 59, 3B, F8, 73, 48, B8, 00, 08, 00, 00, 3B, F8, 73, 02, 8B, C7, 03, C7, 3B, C7, 72, 0F, 50, FF, 75, FC, E8, 7D, 3F, 00, 00, 59, 59, 85, C0, 75, 16, 8D, 47, 10, 3B, C7, 72, 40, 50, FF, 75...
 
[+]

Entropy:
6.2467

Code size:
103 KB (105,472 bytes)

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

http://dlp.cloudsvr566.com/Gr7AnGtRhn9OjYW1NIiXmwVEuK1lRGUPfmuLM_Gk6VChnOMlWlraUo5txyqIT_Tbcv3j9wtGM4TJhfdGhmnQQQIGOx1sj6HE67cy43i-_k9ysXMYhQEewRhtXt1WhwEfb2u4f-OcMVlx3Du76L7B_Q

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