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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 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 file has been seen being downloaded from download.filewin.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:
4a24cca8e7f21cb1a8fa0464f64a0d2f

SHA-1:
75c900c25209da6efc1d938f9b4ee06c9ecedb94

SHA-256:
cf0a712ee10ca47cbc41169a1e3bd029ba47084fd4d588e684c2cbcf1eacd0d2

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:
4/25/2025 9:21:13 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Vittalia (M)
16.7.22.18

File size:
551.5 KB (564,776 bytes)

File type:
Executable application (Win32 EXE)

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

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

Digital Signature
Signed by:
Vittalia Internet S.L.

Authority:
VeriSign, Inc.

Valid from:
6/4/2012 4:00:00 PM

Valid to:
5/8/2013 3:59:59 PM

Subject:
CN=Vittalia Internet S.L., 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:
7952CFD9EF040B59F3C140BA1DA97A60

File PE Metadata
Compilation timestamp:
12/5/2009 1:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:Le34cA2eoS6cWC0jtqiq7cVpp1vZs1Acs23GxpCDiSNHxQjizlnEwUhIsiR37CKT:KAlAm7EvZ1cs23GxEMS+hIDR+Ub

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, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9075

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://download.filewin.com/installers/out/en/37/www.filewin.com/en/7516fd43adaa5e0b8a65a672c39845d2/96/26/8ea43ad97e62c2d4a37f7f01ac6b/.../installer_skype_English.exe

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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