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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:
689ee77eaf322ad811fb7dd2e4d0f692

SHA-1:
5d45b48c7e2f4fa8c0a32eea5ae096ba85ee3eef

SHA-256:
9289b84c443b4aea5be72c135665619daefde37672c6e41e9139ccd2ea96d47a

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:
4/18/2024 1:49:43 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adknowledge.INSTALLT.Installer (M)
16.5.20.6

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 8:00:00 PM

Valid to:
9/20/2014 7:59:59 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 1:00:15 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
3072:JO+JHWHQN1FrYQ1GpyBy8La5/1HkyxyfJisHcvSAm25vapLcW2:8oWHQjBh1GsByMs5xbm8apLK

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...
 
[+]

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/lQ-kmH4WbcRpiXSOotK43bADNaj8sUliAUO291J7Vt986eUb-Qfly_NhXFAy2ifjkIej7cXwZcMrui7w2InQ71qTfqjcaMqGPk8Q4qBhu4aFpS0LXJ0BXbPTvXkZ3aXE00Q6i-BERMluwwnh9LO4ATddp9AOyfbQktcgC2p8VkNgkO5NVBN5uaZs2SRFRjM94rGlx8D1xaJ2YlL1O0RWTBMOgGSwaeQrOxAygvCTuX4WSsCXCNeFg-PMYrpCx7rLEDLpJR752Sv2l5tc-bjBh32Js4t5_gVB_QL6t8X263lpWMZCp-ipbwSXjEs4TZ580WJeEVmAym9MLzejYOYO1q-TEoETm8J0aGS3G00jD33oGrXuv3nosOj25sEUYIbqoAhHVY37bgfFdZeZ-WGH8H7EuVnQb4CGxw7HCbsO7S4rEA/.../

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