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installer_microsoft-security-essentials_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_microsoft-security-essentials_english.exe by Vittalia Internet S.L has been detected as adware by 15 anti-malware scanners. The program is a setup application that uses the Vittalia DM installer. The file has been seen being downloaded from dwn.telechargersdwn.com and multiple other hosts. 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:
46f5af0cabc7b7876532c20733e760e0

SHA-1:
8d73929acee437d3f2aa2a85eb20b8bc8fe2aca8

SHA-256:
55743c8f7b97b0e93720426beffb20f62ab4727a5c3573519da6b620140038e4

Scanner detections:
15 / 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:
4/25/2024 12:12:10 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.Kryptik
7.1.1

AVG
Adware AdInstaller.Vitalia
2014.0.3986

Clam AntiVirus
Win.Trojan.Vittalia-1
0.98/19300

Comodo Security
Application.Win32.Vittalia.AB
19279

Dr.Web
Adware.Downware.1139
9.0.1.05190

ESET NOD32
Win32/Vittalia.H potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/Vittalia
8/22/2014

IKARUS anti.virus
AdWare.Win32.Vittalia
t3scan.1.7.5.0

Malwarebytes
PUP.Optional.Vittalia
v2014.08.22.01

NANO AntiVirus
Trojan.Win32.Downware.bxpixu
0.28.2.61721

Qihoo 360 Security
Malware.QVM01.Gen
1.0.0.1015

Reason Heuristics
PUP.VittaliaInternetSL.p
14.8.22.11

SUPERAntiSpyware
Adware.Downware/Variant
10406

Vba32 AntiVirus
Downware.Vittalia
3.12.26.3

VIPRE Antivirus
Threat.4782551
32210

File size:
3.3 MB (3,428,008 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Vittalia DM

Common path:
C:\users\{user}\downloads\installer_microsoft-security-essentials_english.exe

Digital Signature
Signed by:
Vittalia Internet S.L.

Authority:
VeriSign, Inc.

Valid from:
10/1/2012 1:00:00 AM

Valid to:
10/2/2015 12:59:59 AM

Subject:
CN=Vittalia Internet S.L., OU=IT, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Vittalia Internet S.L., L=Mostoles, S=Madrid, 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:
00B5B17F6085B2B530BA3A0FF637EE1A

File PE Metadata
Compilation timestamp:
4/17/2013 11:46:00 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
49152:9PpUadUSe+K3l5TFR3mSQTbkuMFzlr3JcSQV1lZZ37nblJlzMBoWp1cB:9hUMdr4cNZpdHz+y

Entry address:
0x65070

Entry point:
60, BE, 00, 20, 44, 00, 8D, BE, 00, F0, FB, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Entropy:
6.4099

Packer / compiler:
UPX 2.90LZMA

Code size:
144 KB (147,456 bytes)

The file installer_microsoft-security-essentials_english.exe has been seen being distributed by the following 2 URLs.

http://dwn.telechargersdwn.com/installers/out/403955448/ax/descargares/english/uk-7search/chrome/microsoft_security_essentials/.../installer_microsoft-security-essentials_English.exe

http://microsoft-security-essentials.descargar.es/.../down.php?p=UK-7SEARCH

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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