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silverlight_x64.exe

Microsoft Silverlight

Innovative Systems LLC

The application silverlight_x64.exe by Innovative Systems 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 NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from microsoft-silverlight.joydownload.com.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
Microsoft Silverlight

Version:
1.0.0.0

MD5:
8b0b4bbee310d961cd0f90ba206429c7

SHA-1:
305a7b4b6a123776cb5e94cde75a6eee6a6e286d

SHA-256:
c9e98c804a934aee7c04d9c759dc46ba2ff2518176b1abf275dd95b85ad16f68

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.

Analysis date:
11/27/2024 6:33:08 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Innovati.Installer (M)
16.5.30.22

File size:
489.7 KB (501,408 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\silverlight_x64.exe

Digital Signature
Signed by:
Innovative Systems LLC

Authority:
VeriSign, Inc.

Valid from:
5/18/2014 9:00:00 PM

Valid to:
5/19/2015 8:59:59 PM

Subject:
CN=Innovative Systems LLC, O=Innovative Systems LLC, L=Dnepropetrovsk, S=Dnepropetrovska oblast, C=UA

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:
450EACFE8D673E82864CE46BC1A92FCA

File PE Metadata
Compilation timestamp:
5/19/2013 8:53:11 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:EKcnc489x/m2YTwFyQdihH+5XtbKsnFlEa1EuZ:0ne9Bm2cwFn2H+BnF+iEuZ

Entry address:
0x333E

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 30, A2, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 80, 40, 00, 55, FF, 15, AC, 82, 40, 00, 6A, 08, A3, 78, 4F, 43, 00, E8, A8, 2E, 00, 00, A3, C4, 4E, 43, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, F0, B1, 42, 00, FF, 15, 7C, 81, 40, 00, 68, 7C, A3, 40, 00, 68, C0, 3E, 43, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 81, 40, 00, BB, 00, F0, 43, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

The file silverlight_x64.exe has been seen being distributed by the following URL.

http://microsoft-silverlight.joydownload.com/get_file/wUiS4WnYccXBwj zXP7oQkEsml0kPju1E1v4ZtbB47xquTC8sGMxwdoEP0D1Y/j2PHmuhg0MIGjPEe tCrc1wrpjx9SWRAaX9T2tRAau i6tgKzbr93YlmtNoJQ3g14BXnWtGH0swNEipyH7USCTQbxW2pO4dHdbOfB3bUQdOOz9VHt1apOXdVl9z/6yVjtmIdm0hK9pVz7i9kjE3/VoDoDrKZ77fXof1cC0F/tHxkFTuMqh1A gKsU9kSi4VocI/.../c67gEw3NTHOumAGmZ3BOzGiREvPieh0JA==

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