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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:
58332ad371ee74e60b08296b4749e59d

SHA-1:
8378f23ef714e781ec836c8f980ff7703cbeae0c

SHA-256:
28689119b9d843050a564b6fb46c09fff84a1fea72c2269199e0f96f718a327c

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 '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:
4/19/2024 9:23:51 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adknowledge.INSTALLT.Installer (M)
16.6.7.2

File size:
225.8 KB (231,200 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 6:00:00 PM

Valid to:
9/20/2014 5:59:59 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:
7/10/2014 11:00:15 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
3072:nO+JHWHQN1FrYQ1GpyBy8La5/1HkyxyfJisHcvSAm25vapn26WO:OoWHQjBh1GsByMs5xbm8apn24

Entry address:
0x10311

Entry point:
E8, 96, 36, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 78, 92, 42, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 5C, 90, 42, 00, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64, 8B, 1D, 00, 00, 00, 00, 8B, 03, 64, A3, 00, 00, 00, 00, 8B, 45, 08, 8B, 5D, 0C, 8B, 6D, FC, 8B, 63...
 
[+]

Entropy:
6.3586

Code size:
158 KB (161,792 bytes)

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

http://ads.adsrvmedia.com/event/click/0/tnzdRjFaFDp0HjqFQmWbS7K3-FMg0Rdu2nvHbsZravXLERtmSR44Uplc6W-C_voofMZw_-7AwtDqdOoHyFrU9Tn9MplwTtWnW_fscKsQpadq99-Giv_HbQwRv_2IDSOOKx6-Ht2659aUejtT-B6Z9P36nC3SkUCpHA_W53hLo5_02QT9XwDFM_KzM_8VGM57uBJjSI2zZbNb-KYWJxXNAHnk9gNZfMQp9xMLrvwnOJvRPPS_h7weQel1gxm390FnSnsNCnsx8WzwPJ0fz0tB08U8vVD35a-Z64aYy_S1bbSnv_4luUd8jF9lsjSRyhbaYUanBRvAI8LQqeM5K4dRmv9Jf4fVqZwQQkbTPizjRh-drBQ4Uri2plM1pkkzbp2qxV4s-8IYCyWcDrWv4kGGaxZ8dMY10sJJDDQg7KXh8Hao/.../

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