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microsoft silverlight 5.1.30514.0.exe

Application Installer

Ringier Axel Springer Polska Sp z o.o.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application microsoft silverlight 5.1.30514.0.exe, “Application Installer Setup ” by Ringier Axel Springer Polska Sp z o.o 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 installCore installer. The file has been seen being downloaded from download.komputerswiat.pl.
Publisher:
Generic   (signed by Ringier Axel Springer Polska Sp z o.o.)

Product:
Application Installer

Description:
Application Installer Setup

Version:
2.1.5.1

MD5:
8ffe834c247ecc3f639fc1b1d5f9ace8

SHA-1:
1c752db0e0f10f6844be851a28b66d3640c62853

SHA-256:
acf5d594dbd4622deb7840cf2043d510dd98f2fe6c278ecd0d70966c5f002e91

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 '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:
12/24/2024 5:12:52 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.2.19

File size:
697.7 KB (714,472 bytes)

Product version:
4.1.8

Copyright:
Web

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\microsoft silverlight 5.1.30514.0.exe

Digital Signature
Signed by:
Ringier Axel Springer Polska Sp z o.o.

Authority:
GlobalSign nv-sa

Valid from:
12/2/2014 3:08:00 PM

Valid to:
12/3/2015 3:08:00 PM

Subject:
CN=Ringier Axel Springer Polska Sp z o.o., O=Ringier Axel Springer Polska Sp z o.o., L=Warszawa, C=PL

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112158083A5E821B7A3E9A1253B62099C808

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:FHFiGyY7kJAAo1mjj8lPf9frpCXdbNhrJWR3IyrmmC/qFI9gsHfZSRVrWLC:FHAE70Ao8Jf9qdbvre4QmmvIXfCVriC

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

The file microsoft silverlight 5.1.30514.0.exe has been seen being distributed by the following URL.

http://download.komputerswiat.pl/umbraco/webservices/RedirectToDownloadFile.ashx?description=Microsoft Silverlight to darmowy dodatek do przegladarek internetowych umozliwiajacy wyswietlanie tresci multimedialnych stworzonych w technologii...&downloaderFileName=Microsoft Silverlight 5.1.30514.0_isdmgr.exe&fileName=Microsoft Silverlight 5.1.30514.0.zip&fileSize=19.08 MB&logoUrl=&published=2015-02-04&title=Microsoft Silverlight 5.1.30514.0&url=dsSOIj6Cbavrd7t673e7r8NpPoyFpMcVUOVuEEc0hisYS31O9j0cKYOVh8Q9 517vtZnj0ikb5sEBi8Ikz81S2oG0/.../BFVCVDwmB1&version=5.1.30514.0&md5=4d3916c7148e74660e3cf3c7900ae3ee

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