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microsoftsilverlightupdatesetup.exe

Microsoft Silverlight

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 microsoftsilverlightupdatesetup.exe by Download Assistant has been detected as adware by 19 anti-malware scanners. The program is a setup application that uses the AirInstaller Download Manager installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent.
Publisher:
Download Assistant  (signed and verified)

Product:
Microsoft Silverlight

Version:
3.0.0.60

MD5:
0f99d8f83465fac0d971ad5ac35a2005

SHA-1:
d0aa810fa2262ee4968e452e0fdde8f1766ae36c

SHA-256:
6d2bd9e7e47aad6146eac886a239e19e42cb96d81544e97da999b04ac1c75654

Scanner detections:
19 / 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 4:23:02 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.32
6648196

AhnLab V3 Security
PUP/Win32.Bundler
2015.03.02

Avira AntiVirus
APPL/Downloader.Gen
7.11.213.24

avast!
Win32:Adware-CKE [PUP]
150129-1

AVG
Generic
2016.0.3183

Bitdefender
Gen:Variant.Application.Bundler.32
1.0.20.305

Dr.Web
Trojan.Vittalia.7
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.32
9.0.0.4799

ESET NOD32
Win32/DownloadAssistant.A potentially unwanted application
7.0.302.0

F-Secure
Riskware.Gen:Variant.Application.Bundler
5.13.68

G Data
Gen:Variant.Application.Bundler.32
15.3.25

K7 AntiVirus
Trojan
13.1915121

Malwarebytes
PUP.Optional.DownloadAssistant
v2015.03.02.04

MicroWorld eScan
Gen:Variant.Application.Bundler.32
16.0.0.183

NANO AntiVirus
Trojan.Win32.Vittalia.dljetu
0.30.0.296

Panda Antivirus
Trj/Genetic.gen
15.03.02.04

Reason Heuristics
PUP.Installer.Air Software
15.3.2.3

VIPRE Antivirus
Threat.4782985
37588

Zillya! Antivirus
Backdoor.PePatch.Win32.58326
2.0.0.2085

File size:
783.9 KB (802,752 bytes)

Product version:
3.0.0.60

Copyright:
(c) Download Assistant

Original file name:
MicrosoftSilverlightSetup-20234373.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:
Download Assistant

Authority:
VeriSign, Inc.

Valid from:
8/12/2014 5:00:00 PM

Valid to:
8/12/2016 4:59:59 PM

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

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:
6BC405E8AC962C676F54816BCC4D4311

File PE Metadata
Compilation timestamp:
12/10/2014 2:55:13 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:plr21xKpH69CnyeufYUKGD35mU80ZFlTC8uqzeseFF2wBM2Ap44lVz6kmoyUxy9q:pp2syeufYUbVhZnJGFk443zlBywSq

Entry address:
0x4CC9F

Entry point:
E8, 4E, 1A, 01, 00, E9, 89, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, 00, 4F, 4A, 00, 00, 74, 05, E9, B1, 1A, 01, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83, E2, 03, C1, E9, 02, 74, 06, F3, AB, 85, D2, 74, 0A, 88, 07, 83, C7, 01, 83, EA, 01, 75, F6...
 
[+]

Entropy:
7.1227

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