setup.exe

7-Zip

Install Assistant

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 setup.exe by Install Assistant 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from wx7vt4e26f.downspeed-win.com.
Publisher:
Igor Pavlov  (signed by Install Assistant)

Product:
7-Zip

Description:
7z SFX

Version:
9.20

MD5:
5d0c0bd3235b614b903283766dc3446a

SHA-1:
2e6de4216a255761f908200062b4e7ef92b87d16

SHA-256:
339cdb39149390615db939974f960995f7ca59c5e04c8b3c6f03d33a507791ab

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
5/20/2024 10:01:35 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Vittalia.InstallAssistant.Installer (M)
15.12.29.17

File size:
1.1 MB (1,177,336 bytes)

Product version:
9.20

Copyright:
Copyright (c) 1999-2010 Igor Pavlov

Original file name:
7z.sfx.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Vittalia DM

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\setup.exe

Digital Signature
Authority:
Symantec Corporation

Valid from:
6/20/2015 8:00:00 PM

Valid to:
6/20/2016 7:59:59 PM

Subject:
CN=Install Assistant, O=Install Assistant, L=Wilmington, S=Delaware, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
4E090F2BEB8BB7774642F664E353CA58

File PE Metadata
Compilation timestamp:
11/18/2010 11:27:33 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:IWvknOMEdPC5SBQKym+A1Q1stPPnmixrFfML7zoKsU0zgC/qShmAQw:IUeOMcPtQmDQ4PPndrFW7i3kw

Entry address:
0x1D262

Entry point:
55, 8B, EC, 6A, FF, 68, 20, 1E, 42, 00, 68, 5C, D2, 41, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 68, 53, 56, 57, 89, 65, E8, 33, DB, 89, 5D, FC, 6A, 02, FF, 15, 04, 11, 42, 00, 59, 83, 0D, 90, BD, 42, 00, FF, 83, 0D, 94, BD, 42, 00, FF, FF, 15, 00, 11, 42, 00, 8B, 0D, 70, 9D, 42, 00, 89, 08, FF, 15, FC, 10, 42, 00, 8B, 0D, 6C, 9D, 42, 00, 89, 08, A1, 64, 11, 42, 00, 8B, 00, A3, 8C, BD, 42, 00, E8, 1C, 01, 00, 00, 39, 1D, 20, 7A, 42, 00, 75, 0C, 68, EA, D3, 41, 00, FF, 15, 0C, 11...
 
[+]

Entropy:
6.9654

Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
126.5 KB (129,536 bytes)

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

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