Silverlight Setup.exe

Silverlight

Download Helper

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 Setup.exe by Download Helper 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.
Publisher:
DownloadHelperComondo  (signed by Download Helper)

Product:
Silverlight

Version:
3.0.0.86

MD5:
4d675d877bd14469e0e7144ac5ab17ab

SHA-1:
7f3897c7219691981134ea98f5514aadfc541233

SHA-256:
a5bfa4c6d8fda6cb1d8dba10bbc790d53f8f148ffe95876036a225e545baef5b

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:
2/25/2025 3:06:21 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.2.28.10

File size:
844.6 KB (864,848 bytes)

Product version:
3.0.0.86

Copyright:
(c) DownloadHelperComondo

Original file name:
Silverlight Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
2/2/2015 6:00:00 PM

Valid to:
2/3/2016 5:59:59 PM

Subject:
CN=Download Helper, O=Download Helper, STREET=308-536 Herald St, L=Victoria, S=BC, PostalCode=V8W1S6, C=CA

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00949A93C26C8C58A2B94E6A2870C8C9F4

File PE Metadata
Compilation timestamp:
3/14/2015 8:51:00 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 90, 47, 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...
 
[+]

Entropy:
7.0576

Developed / compiled with:
Microsoft Visual C++

Code size:
478.5 KB (489,984 bytes)

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