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silverlight.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 silverlight.exe, “Microsoft Silverlight ” by Download 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 AirInstaller Download Manager installer. The file has been seen being downloaded from download.downloadd.org.
Publisher:
Download Assistant   (signed by Download Assistant)

Product:
Microsoft Silverlight

Description:
Microsoft Silverlight

Version:
3.0.0.29

MD5:
c02db81afd82abc164cdd72a5712b7e6

SHA-1:
5f5dc49157d36675ce6763cc9962c29d591fad5c

SHA-256:
d3991f5859d86ddfd5b2c44ce32e84a6026c77386ef86b427aa2bf3d047cb727

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
11/23/2024 5:35:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.DownloadAssistant.Bundler (M)
16.2.7.2

File size:
915.9 KB (937,832 bytes)

Product version:
3.0.0.29

Copyright:
(c) Download Assistant

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:
Download Assistant

Authority:
VeriSign, Inc.

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

Valid to:
8/12/2016 7:59:59 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:
10/9/2014 5:44:19 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:ZUac7EJEhlpyouGViLlvOAjoJFRJHJ2rHbnt:Z27E4LDVQvOAjoRJpOHp

Entry address:
0x4FBBF

Entry point:
E8, 5E, 09, 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, E0, 48, 4A, 00, 00, 74, 05, E9, C1, 09, 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:
7.2118

Code size:
469.5 KB (480,768 bytes)

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

http://download.downloadd.org/v2/click/80af325a/?d=http://downloadd.org/.../silverlight.exe&n=Microsoft Silverlight&key=d0fef305235174e797f9fb55f5f8899f909d149e8200e0376324bac599634b38&affiliate_image=&product_image=http://downloadd.org/.../silverlight.png&sid=silverlight&filename=Silverlight

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