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netstalker_setup.exe

SterJo NetStalker

Download Assistant

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application netstalker_setup.exe by Download Assistant has been detected as adware by 20 anti-malware scanners. The program is a setup application that uses the AirInstaller Download Manager installer. During install, it bundles potentially unwanted software on a user's computer at the same time without adequate consent.
Publisher:
Download Assistant  (signed and verified)

Product:
SterJo NetStalker

Version:
3.0.0.92

MD5:
8d0d662607b83d142bcf46622b8de7a4

SHA-1:
db3f91a2a2dce7b93956fefe015a8dbd97fd6af1

SHA-256:
32d57bfe2d8fe62bb3ef462644ef1faed374b0d4502b06755bb3b49e68e09763

Scanner detections:
20 / 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:
4/23/2024 2:47:02 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.AirInstaller.5
540

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.DownloadAssistant
2015.05.12

avast!
Win32:Adware-CKC [PUP]
2014.9-150814

Bitdefender
Gen:Variant.Application.Bundler.AirInstaller.5
1.0.20.1130

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.DownloadAssistant.S
22078

Dr.Web
Trojan.Vittalia.30
9.0.1.0226

ESET NOD32
Win32/DownloadAssistant.A potentially unwanted (variant)
9.11609

Fortinet FortiGate
Riskware/DownloadAssistant
8/14/2015

F-Secure
Gen:Variant.Application.Bundler
11.2015-14-08_6

G Data
Gen:Variant.Application.Bundler.AirInstaller
15.8.25

Malwarebytes
PUP.Optional.BundleInstaller.A
v2015.08.14.08

McAfee
Artemis!8D0D662607B8
5600.6674

MicroWorld eScan
Gen:Variant.Application.Bundler.AirInstaller.5
16.0.0.678

NANO AntiVirus
Trojan.Win32.Vittalia.dqfrig
0.30.24.1357

Panda Antivirus
Trj/Genetic.gen
15.08.14.08

Reason Heuristics
PUP.Air Software.DownloadAssistant.Bundler (M)
15.8.14.8

Rising Antivirus
PE:Malware.XPACK-HIE/Heur!1.9C48
23.00.65.15812

VIPRE Antivirus
Trojan.Win32.Generic
40136

File size:
957.7 KB (980,656 bytes)

Product version:
3.0.0.92

Copyright:
(c) Download Assistant

Original file name:
netstalker_setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\downloads\handige programmas\netstalker_setup.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
2/16/2015 1:00:00 AM

Valid to:
2/17/2016 12:59:59 AM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

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

Serial number:
3784E4CAC60231ED82FD7E8E845E8CE3

File PE Metadata
Compilation timestamp:
4/20/2015 4:47:17 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:rZDh0R4omyqQiRcvfIfdK/wGQsycKx7S12LMC4ka226YSVuxMqn7Sbqb37IbkHPM:rTZ7XT17S1gdaGUxMq7PbsOPlI1

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 10, 49, 00, 8B, F8, 33, D2, 8B, CF, 8B, 5F, 3C, 03, DF, 2B, 05, 1C, 10, 40, 00, 89, 45, F4, 1B, D2, F7, D8, 89, 55, F8, 0F, B7, 73, 14, 83, D2, 00, F7, DA, 89, 75, F0, 52, 8B, 93, A0, 00, 00, 00, 50, 8B, 44, 1E, 24, 03, 05, 28, 10, 40, 00, 50, FF, B3, A4, 00, 00, 00, E8, 88, FD, FF, FF, 8B, 54, 1E, 28, 83, C4, 10, A1, 28, 10, 40, 00, 2B, D0, 83, FA, 01, 76, 0D, 8B, 4C, 1E, 24, 03, C8, 03, CF, E8, F2, FE, FF, FF, A1, 20, 10, 40, 00, 83, C6, 40, 03, F3...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
574 KB (587,776 bytes)

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

http://www.sterjosoft.com/download_netstalker.php

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