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lightspark_setup.exe

INSTALL THIS

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application lightspark_setup.exe, “Premium Installer ” by INSTALL THIS 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 Adknowledge Fusion installer. The file has been seen being downloaded from ads.adsrvmedia.com.
Publisher:
Premium Installer   (signed by INSTALL THIS)

Product:
Premium Installer

Description:
Premium Installer

Version:
2.4.8.1

MD5:
bb28a011acb088147e0f66c81b144cee

SHA-1:
e4ddc9099f09f0aae51a641286ea182adb008f0c

SHA-256:
87eb1bd57f4921690d8c85ae28d70e09fdbfe16c1d8c0a095aee532e4582837c

Scanner detections:
1 / 68

Status:
Adware

Explanation:
This installer bundles various adware prorgams that may include toolbars and web browser advertising injectors/extensions.

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:
4/19/2024 3:37:44 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adknowledge.INSTALLT.Installer (M)
16.6.30.0

File size:
204.8 KB (209,696 bytes)

Product version:
2.4.8.1

Copyright:
Copyright (C) 2013 Premium Installer

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Language:
English (United States)

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

Digital Signature
Signed by:
INSTALL THIS

Authority:
VeriSign, Inc.

Valid from:
10/3/2013 7:00:00 PM

Valid to:
9/20/2014 6:59:59 PM

Subject:
CN=INSTALL THIS, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=INSTALL THIS, L=Kansas City, S=Missouri, C=US

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:
022C6886F5C72FEED25746F4AC3BA8CE

File PE Metadata
Compilation timestamp:
7/12/2014 4:00:15 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
3072:wV/jkZyvfV2vqdA0LsfaChbnOfLwJi9I4Ja5xNp75n0pMvWf:wV/wgVldqDOzvJyxNpB0pMs

Entry address:
0xACC8

Entry point:
E8, 0F, 38, 00, 00, E9, 78, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 4C, 24, 04, F7, C1, 03, 00, 00, 00, 74, 24, 8A, 01, 83, C1, 01, 84, C0, 74, 4E, F7, C1, 03, 00, 00, 00, 75, EF, 05, 00, 00, 00, 00, 8D, A4, 24, 00, 00, 00, 00, 8D, A4, 24, 00, 00, 00, 00, 8B, 01, BA, FF, FE, FE, 7E, 03, D0, 83, F0, FF, 33, C2, 83, C1, 04, A9, 00, 01, 01, 81, 74, E8, 8B, 41, FC, 84, C0, 74, 32, 84, E4, 74, 24, A9, 00, 00, FF, 00, 74, 13, A9, 00, 00, 00, FF, 74, 02, EB, CD, 8D, 41, FF, 8B, 4C...
 
[+]

Entropy:
6.4123

Code size:
137.5 KB (140,800 bytes)

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

http://ads.adsrvmedia.com/event/click/0/LN0jwFbvRsZqws_n9-UkuH2JZTzNytXmZ5_vJtYAEcyqcKc4kV2eB1vQoQ3xJDB7lr6A-h6J6MJDUp4Df7sCrXWcgnnj7d2jPyROJfTpEImQvbZdIv0c2inDBra4pbYpw5FNIH-9QDefn0hTLTmeZUe0pI9FZqqC1V2H4I3I81IofQeQdgHMEva5kFuSJ-BKOGMk011jEDwxw3t-3bedja-iqgfjt5KSE1i8jOza63b2ThYr1m2bIPJrFRlgErGIGK8SA6Tyogb4qFr5xZjOb37ItBGBPEaNRms33f3znVppxVaGYZ02Bjq2DsrLc_YdX5dxw0Rl6W_UorS-peFgkARGkV_FOsfJimRK7IVeqdYBX-PcfydpaEMCF19Rn-asFCRB_37M5xLJ4Do0Lt6Hhh6olPigcKoKC1N1zKP7FF00/.../

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