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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 13 anti-malware scanners. 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:
7c82388278c416e615950bf61e72d5e6

SHA-1:
feb9ca7570c49b987659a08704e1978c5958827b

SHA-256:
2deccc1fb9b8fed3e38d5ccba3e1c16fc5396be153a09a5c2bc4355080caeb67

Scanner detections:
13 / 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:
4/26/2024 2:20:37 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Agent
7.1.1

Avira AntiVirus
ADWARE/Adware.Gen7
7.11.147.26

AVG
Adware AdPlugin
2016.0.2996

Dr.Web
Trojan.Packed.28218
9.0.1.0247

ESET NOD32
Win32/AdWare.iBryte.AN application
9.7.0.302.0

herdProtect (fuzzy)
variant of setup.exe (Adware)
2015.9.4.13

Malwarebytes
PUP.Optional.OptimumInstaller.A
v2015.09.04.01

Panda Antivirus
Trj/Genetic.gen
15.09.04.01

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.Adknowledge.INSTALLTHIS.Installer (M)
15.7.31.7

Rising Antivirus
PE:Malware.iBryte!6.192B
23.00.65.15902

Sophos
iBryte Optimum Installer
4.98

VIPRE Antivirus
Threat.4778314
29418

File size:
240.8 KB (246,560 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:nO+JHWHQN1FrYQ1GpyBy8La5/1HkyxyfJisHcvSAm25v6lpywWw:OoWHQjBh1GsByMs5xbm8Qpyg

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:
6.1306

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/WTrKaEYDtOqL0jmxKvjZ-T1-ZHiuTUVSJBPpTF16AQ4gDQ2kbU_S0jHiSMDWrNciyJFaROUIexELsHGATj2mtrjGF6fna5Co4yar1q4UD4ZwWrj1NRbEUtONEDwiApGvTfYJW3EuvJuOsRJgaPi9yAdq9VdLueRF4WRGZ61JfJBDB-DjUczSJIqAMCGUD2bre5gWvxBNnXuBid83UwayZI1bHNloiM7gLDo3eyv6gGiDURpIAeDOmmPlxyhsSFICizeNxFJWRbKEUdEuIXYUGgTbOsV7AX-ZVA889Pyq4xqemRoyMrNhfvvvCYg7-uC691hGzZ-p6yDbh3QusGukH4ku22YK2qwcGYGVPgq82pwIQ5I8c1PM5DGBk0G0wO5_WislxDtQGXqnQrGDtKPnzJOEAMoTnsLL_ZLv1OaWOI3Cmw2w_JNVmA/.../

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