download.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 download.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. The file has been seen being downloaded from immz1zkim0.now-download-quicksoft.com.
Publisher:
Igor Pavlov  (signed by Install Assistant)

Product:
7-Zip

Description:
7z SFX

Version:
9.20

MD5:
77915d2a584a16f23ee5753c121e974b

SHA-1:
d9e6e7c6c9a10dbadcec5c42d6573ffd951d3dab

SHA-256:
2d441ad4037cb580c387571cd606b386f3785b34df455daceec1427d6bf4dd1b

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:
1/13/2025 1:35:01 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Vittalia.InstallAssistant (M)
16.2.21.23

File size:
1.1 MB (1,178,784 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

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

Digital Signature
Authority:
Symantec Corporation

Valid from:
12/2/2015 4:00:00 AM

Valid to:
12/2/2016 3:59:59 AM

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:
08E92E5C80AD2907C83D98EDED9100D6

File PE Metadata
Compilation timestamp:
11/18/2010 8:27:33 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:2WvknOMEd0Srud0jLMGslR9pJBkRk0OMZdJ3bpdTOY:2UeOMcQdoY9tJn0p3b

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...
 
[+]

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

Code size:
126.5 KB (129,536 bytes)

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

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