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installer_skype_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_skype_english.exe by Vittalia Internet S.L has been detected as adware by 12 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 file has been seen being downloaded from eg.filewon.com. While running, it connects to the Internet address services.upd4ter.com on port 80 using the HTTP protocol.
Publisher:
Vittalia Internet S.L  (signed and verified)

MD5:
2b76da3bf3c9d990abea189731d6b757

SHA-1:
0409fc8c41ede538a83288a7731a9a95e4fe3983

SHA-256:
8e015eb8a681daa698e045f4a3de2d351ae140595c274c64cd6ccc50e9840c62

Scanner detections:
12 / 68

Status:
Adware

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization 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:
8/6/2025 11:01:58 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.Packed.28459
9.0.1.0177

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

G Data
Win32.Application.InstallCore.CM
15.6.25

herdProtect (fuzzy)
variant of installer_world_of_warships_wallpapers_english.exe (Adware)
2015.6.26.11

K7 AntiVirus
Unwanted-Program
13.202.15567

Malwarebytes
PUP.Optional.Vittalia
v2015.06.26.11

NANO AntiVirus
Riskware.Win32.InstallCore.dimyzq
0.30.10.952

Reason Heuristics
PUP.Bundler.Vittalia
15.3.20.15

Sophos
PUA 'Install Core Click run software'
5.12

VIPRE Antivirus
Threat.5063361
38882

File size:
762 KB (780,288 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Vittalia DM (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Vittalia Internet S.L

Authority:
GlobalSign nv-sa

Valid from:
7/9/2014 1:18:24 PM

Valid to:
8/9/2015 1:18:24 PM

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

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121296DFC83F15C4B1C19CE7B920AA7D12F

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:7PFafJduqBYuk26xsMmJDIYfM8N7NvI/0ILAtWTuSbIQHdFzZ+OV36:7PFKJduJ1xefzm0F8TFXdP+OV36

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8814

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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

http://eg.filewon.com/.../download?p=eg&concordancia=b&red=g&plataforma=c&anuncio=47665714881&kw=skype&ubicacion=&categoria=&random=711051624693293827&posicion=1t2&tmuid=721ec4a22cb2016d445306b25d936601

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)

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

 
http://download.upd4ter.com/installers/down.php

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