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installer_avast_english.exe

Vittalia Internet S.L.

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_english.exe by Vittalia Internet S.L has been detected as adware by 19 anti-malware scanners. The program is a setup application that uses the Vittalia DM installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. 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 Internet S.L.  (signed and verified)

MD5:
247318bba43d376abbb8979b087b7394

SHA-1:
cdf91d09ca21a03ce1a12b091fb0c5ee0b605aca

SHA-256:
1068dd7064c794c369ae91a9ac05c5fd5df14e6c1706ab0ae46ce4be7aea3b1f

Scanner detections:
19 / 68

Status:
Adware

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization 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:
4/19/2024 2:05:24 AM UTC  (today)

Scan engine
Detection
Engine version

AegisLab AV Signature
AdWare.W32.InstallCore
2.1.4+

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
Adware/InstallCore.A.1276
7.11.177.126

AVG
Generic
2015.0.3326

Clam AntiVirus
Win.Adware.Installcore-513
0.98/19493

Comodo Security
Application.Win32.Installcore.SMT
19755

Dr.Web
Adware.Downware.6240
9.0.1.05190

ESET NOD32
Win32/InstallCore.PQ potentially unwanted application
7.0.302.0

F-Prot
W32/InstallCore.AC.gen
v6.4.7.1.166

K7 AntiVirus
Trojan
13.183.13630

Malwarebytes
PUP.Optional.InstallCore
v2014.10.10.05

McAfee
Adware-DomaIQ
5600.6982

NANO AntiVirus
Riskware.Win32.InstallCore.dcwlwo
0.28.2.62483

Norman
InstallCore.CERT
11.20141010

Qihoo 360 Security
Trojan.Generic
1.0.0.1015

Reason Heuristics
PUP.VittaliaInternetSL.X
14.10.10.5

Sophos
Install Core Click run software
4.98

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.3

VIPRE Antivirus
Threat.4150696
33706

File size:
880 KB (901,168 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Vittalia Internet S.L.

Authority:
GoDaddy.com, Inc.

Valid from:
2/6/2014 3:02:08 PM

Valid to:
2/6/2015 3:02:08 PM

Subject:
CN=Vittalia Internet S.L., O=Vittalia Internet S.L., L=Mostoles, S=Madrid, C=ES

Issuer:
SERIALNUMBER=07969287, CN=Go Daddy Secure Certification Authority, OU=http://certificates.godaddy.com/repository, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
2B23A158920FC6

File PE Metadata
Compilation timestamp:
12/5/2009 10:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:Nx5ZPD217R8AeAabyX8GiaXa44gU9ryA9kKg3NyHA1+/WNJTv:jPTAjgyna44gKOAkX3NyHAgkV

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...
 
[+]

Entropy:
7.9898

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://avast.descargar.es/.../down.php?p=UK-7SEARCH&kw=avast

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to www.uplstatsone.com  (93.189.33.84:80)

TCP (HTTP):
Connects to services.upd4ter.com  (93.189.33.101:80)

TCP (HTTP):
Connects to media.vitavita.com.es  (109.70.128.135:80)

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