installer_avast_portuguese.exe

Vittalia Limited

This is the Vittalia Filewon Installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application installer_avast_portuguese.exe by Vittalia Limited 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 Vittalia DM installer. The installer is marketed through download protals and search ads as the free AVAST Antivirus but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Vittalia Limited  (signed and verified)

MD5:
61b97cec4c9617898f9e8c873d0f2b13

SHA-1:
6f9806c746c7b35bcbedb8418eccae986d14de58

SHA-256:
a22ab84b8dc1d2ae2f1e7f02cc6968648333a4a0befcce4b5be3dbe61c8d99f7

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
8/8/2025 12:43:16 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Vittalia.Bundler (M)
16.6.12.14

File size:
862.8 KB (883,528 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Vittalia DM (using Nullsoft Install System)

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
5/17/2013 9:00:00 PM

Valid to:
5/17/2016 8:59:59 PM

Subject:
CN=Vittalia Limited, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Vittalia Limited, L=Dublin, S=Dublin, C=IE

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:
6CC8DB30E67B3DF9E2607EE882D390AC

File PE Metadata
Compilation timestamp:
12/5/2009 8:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:CGktHl/1a++psafZG5/AUvZ71+/WNJTvZ:uth1esafMpNh7gkVZ

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

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