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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:
3.0.0.76

MD5:
1a2726e1b756cce840cdc3bbc8ffa6ea

SHA-1:
e930bc3c1242502cb9e205832f07fc2474e6206f

SHA-256:
efdba0649a640652ac455f489602e5c55ac1be56eb0027a4e39be33ff5616d72

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:
11/15/2024 10:45:49 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Vittalia (M)
16.8.6.10

File size:
465.4 KB (476,592 bytes)

Product version:
3.0.0.76

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:
1/28/2015 4:00:00 PM

Valid to:
1/29/2016 3:59:59 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:
2/12/2015 8:34:12 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:Gg89R3qKtzPQkSNkG1XEZ3+7ybZcnepd1hjSEn:Gg89T0LPscn21hWEn

Entry address:
0xE0C80

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:
7.9216

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/b8152820/?d=http://www.installer-assist.com/download/Silverlight.exe&key=76bdd835fed5a01452677be97e82d0bedcc4ca6b676827ec1c66d34701275277&sid=Microsoft Silverlight&uid=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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