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Microsoft Silverlight.exe

Microsoft Silverlight

Install Helper

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 Microsoft Silverlight.exe by Install 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 Vittalia DM installer. The file has been seen being downloaded from download.program-assist.com.
Publisher:
Install Helper  (signed and verified)

Product:
Microsoft Silverlight

Version:
3.0.0.75

MD5:
a0f2a6a6ef1ff2695b71ec081eab84af

SHA-1:
01587e633e983d27129460fdd52f5adb519585e8

SHA-256:
9e2a1ca645946c38a9d2ca8afdf6353a55dade776f8d51c51f9ae9ec6c44ef61

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:
12/4/2024 8:07:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Vittalia (M)
17.3.14.20

File size:
464.9 KB (476,080 bytes)

Product version:
3.0.0.75

Copyright:
(c) Install Helper

Original file name:
Microsoft Silverlight.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Vittalia DM

Language:
English (United States)

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

Digital Signature
Signed by:
Install Helper

Authority:
Symantec Corporation

Valid from:
1/29/2015 12:00:00 AM

Valid to:
1/29/2016 11:59:59 PM

Subject:
CN=Install Helper, O=Install Helper, L=Vancouver, 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:
7CC3624C218D0B5B8DB87F5E4E3521B0

File PE Metadata
Compilation timestamp:
2/10/2015 6:31:52 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0xE0B30

Entry point:
60, BE, 00, 80, 49, 00, 8D, BE, 00, 90, F6, FF, 57, EB, 0B, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89, C5, EB, 0B, 01, DB, 75, 07, 8B...
 
[+]

Entropy:
7.9255

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.24

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

http://download.program-assist.com/v2/click/18a7551f/?d=http://www.installer-assist.com/download/Silverlight.exe&key=76bdd835fed5a01452677be97e82d0bedcc4ca6b676827ec1c66d34701275277&sid=uk-Microsoft Silverlight&uid=uk-Microsoft Silverlight&affiliate_image=http://download-assist.com/admin/.../Silverlight_i.png&product_image=http://download-assist.com/admin/.../Silverlight_p.png&n=Microsoft Silverlight&filename=Microsoft Silverlight

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