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installer_hamachi_english.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_hamachi_english.exe by Vittalia Limited has been detected as adware by 15 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 domsem.com.edgesuite.net and multiple other hosts.
Publisher:
Vittalia Limited  (signed and verified)

MD5:
cfffdfb000b7b7f61772dac091f68a99

SHA-1:
5048c20c04332e318ac97ad2d3b1a2effb34dcdf

SHA-256:
669766045e2880820ea470801976c2d2551beff01fdd7082a8332a2b0b902ef3

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:
2/25/2025 6:27:17 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.A.208
7.11.163.16

AVG
InstallC
2015.0.3408

Clam AntiVirus
Win.Adware.Installcore-484
0.98/19168

Comodo Security
Application.Win32.InstallCore.AIX
18908

Dr.Web
Trojan.Packed.26758
9.0.1.05190

ESET NOD32
Win32/InstallCore.OY potentially unwanted application
7.0.302.0

K7 AntiVirus
Unwanted-Program
13.181.12775

Kaspersky
not-a-virus:AdWare.Win32.InstallCore
15.0.0.494

Malwarebytes
PUP.Optional.InstallCore
v2014.07.20.08

McAfee
Adware-DomaIQ
5600.7064

NANO AntiVirus
Riskware.Win32.InstallCore.dcipvh
0.28.2.60881

Reason Heuristics
PUP.VittaliaLimited.Z
14.7.20.7

Sophos
Install Core Click run software
4.98

Vba32 AntiVirus
Downware.InstallCore
3.12.26.3

VIPRE Antivirus
Threat.4782551
31208

File size:
788.1 KB (807,040 bytes)

File type:
Executable application (Win32 EXE)

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

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

Digital Signature
Signed by:
Vittalia Limited

Authority:
VeriSign, Inc.

Valid from:
5/18/2013 1:00:00 AM

Valid to:
5/18/2016 12:59:59 AM

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 10:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:LaUO52sPS0bR72DrMts2JXXmJvDb0Sq80YrhqTcPT0e88l4Nscpsvig41+aWWNJr:LausRa2tHmJ9q80qm8ss761+/WNJTv

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:
7.9877

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file installer_hamachi_english.exe has been seen being distributed by the following 2 URLs.

http://domsem.com.edgesuite.net/installers/out/005160051700518/piid-01234567899874563210012345678912/ax/allfilewincom/english/uk-adc/chrome/hamachi/d/782198027fc5094c479d3ef9a43b22b5/ici//installer_hamachi_English.exe

http://engall.filewin.com/.../download?p=UK-ADC&tmuid=14fc1341c5517683b6336ad6a27b25b5

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