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adobe_flash_setup.exe

Software

OOO Mad Advert

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application adobe_flash_setup.exe, “Software Setup ” by OOO Mad Advert 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from legalsoft.theupdateonline24.com.
Publisher:
Web Software   (signed by OOO Mad Advert)

Product:
Software

Description:
Software Setup

MD5:
2ffbb4d5705c1090949c2775284f2912

SHA-1:
4c9c9b3bf1e23b68a200670e8236a538ae6575ee

SHA-256:
e80e68e118eaf00586f39c7394766bf61d6489c75d26d05963328176dd68d0e8

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 is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
12/24/2024 6:46:46 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.7.23.22

File size:
836.1 KB (856,216 bytes)

Product version:
5.0

Copyright:
Application

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\adobe_flash_setup.exe

Digital Signature
Signed by:
OOO Mad Advert

Authority:
COMODO CA Limited

Valid from:
3/19/2015 5:30:00 AM

Valid to:
3/19/2016 5:29:59 AM

Subject:
CN=OOO Mad Advert, O=OOO Mad Advert, STREET="Andronevskaya B., d. 7/14 str. 1 of. 1205", L=Moscow, S=Moscow, PostalCode=109544, C=RU

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
0080C5CB45D047D2C30BE1A2662DE771D1

File PE Metadata
Compilation timestamp:
6/20/1992 3:52:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:V5kTs/tE4JAbwKJYCAFURzzWJyOKUCriF:VSTs/thObwKaCAFURz7OKbriF

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8191

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

Code size:
37 KB (37,888 bytes)

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

http://legalsoft.theupdateonline24.com/dl.php?conversion_id=14305420880564&app_id=4&lp_id=382&v=icrev&stub_id=200&v_id=NF1genUdm1Zq_eeuuo9G3ki8_ApSh1NMKNg2e7ZbMPc.&pcl=rZ-xEHr6JhPIIy7XOk6SBft_zFrrCa8vG3tznHtz7Y8.&clkid={clickurl}&s2=1977410852.449606.c720dc4d58.8822.97cf76da0964728d86d3f0b338c18a87&dp=1977410852.449606.c720dc4d58.8822.97cf76da0964728d86d3f0b338c18a87

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