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instloffer.exe

Meta Installer LLC

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 instloffer.exe by Meta Installer has been detected as adware by 8 anti-malware scanners. The program is a setup application that uses the Vittalia DM installer. It is also typically executed from the user's temporary directory.
Publisher:
Meta Installer LLC  (signed and verified)

MD5:
782b46021372529cdf6b5eee2d265937

SHA-1:
87353d10674b5f5441aaac52c41577217654d8b9

SHA-256:
000d5bb4f69407caa26129460586b1e2f34aa0d007a128a5e0a84f6c6d8f93eb

Scanner detections:
8 / 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 2:39:27 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3365

Baidu Antivirus
PUA.Win32.Vittalia
4.0.3.1491

ESET NOD32
Win32/Vittalia
8.10320

McAfee
Artemis!782B46021372
5600.7021

Qihoo 360 Security
HEUR/Malware.QVM06.Gen
1.0.0.1015

Reason Heuristics
PUP.MetaInstaller.K
14.9.1.3

Trend Micro House Call
Suspicious_GEN.F47V0813
7.2.244

VIPRE Antivirus
MetaInstaller
32576

File size:
733.3 KB (750,896 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\appdata\local\temp\instloffer.exe

Digital Signature
Signed by:
Meta Installer LLC

Authority:
Starfield Technologies, Inc.

Valid from:
7/22/2014 1:58:03 PM

Valid to:
2/16/2015 7:59:09 PM

Subject:
CN=Meta Installer LLC, O=Meta Installer LLC, L=Wilmington, S=Delaware, C=US

Issuer:
SERIALNUMBER=10688435, CN=Starfield Secure Certification Authority, OU=http://certificates.starfieldtech.com/repository, O="Starfield Technologies, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
27C53C6B6DB164

File PE Metadata
Compilation timestamp:
12/5/2009 11:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:706d9HNcS7clhhtqJ32SYznoWdF+ZPPfnEUn7bnrB0iGz8941+aWWNJRtvqXw/Dy:A6d9HR7cbTbDn+lvHbn10J1+/WNJTvqr

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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