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adobe_flash_setup.exe

Web

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, “Web 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 checkingfree.newsoft4free.net.
Publisher:
Software Installer   (signed by OOO Mad Advert)

Product:
Web

Description:
Web Setup

Version:
5.1.1.5

MD5:
feca8dcc1cd9dafa49a41a57f71938f6

SHA-1:
7c8b3d72ea435c5b7e8d9b3415bdef5ee81f4caa

SHA-256:
05ee3796c80ff960fe36bd65d7c3437dfbe89114b397c91fc436ded113d85a32

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 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:
12/25/2024 11:52:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.OOOMadAd.Installer (M)
16.3.11.13

File size:
834.9 KB (854,960 bytes)

Product version:
1.4

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 2:00:00 AM

Valid to:
3/19/2016 1:59:59 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 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:oAfQNPIrbp3HYZYG8hk4g/tTyhL0wBl7VBgHMiBriz:o80IpIZt8hhutTuLz37V+Muriz

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, BF, A9, FF, FF, E8, 5E, 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:
7.8238

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://checkingfree.newsoft4free.net/dl.php?conversion_id=14305744005660&app_id=4&lp_id=554&v=icrev&stub_id=189&v_id=Y5DPKzLBAvMOBrL9tknRmwl1UAuOphoNLgRDuUeiZMQ.&pcl=IIBjkLnsfnr6ZmlwKXWAGo1_aO-uL_4TkdGJxsAv1oE.&CLICK_ID=4TZRSF43NoS4nMkz14Wo0cXe7rPpASNvv9Iht4qw5Ci8hLdUGbQhjED49lFv2c_55SdKyphNiWOYH4q3C3eluviI7La0wALZ0-wxg0gwt8UMFDilq9eUg-Qq4yW_h1Jm6JOqS-fORaXSQh1QCil_jTVYoB5HUrRqGnZOEbRvVgIt_ixQnbEFwp8xNT48Fdr97TbUc2i8l1ZfC3Yz6R4uh5NYLUeaerAcwort2983zKVrggKu2VvcgGDnb2Od4OhSri__cv5OfVdJBh0tX4pb07V5lwkMYDEgFlwCeq-_a7_JJ9aVES3ZScB6zhQGMvB8sb0rQ3WPMeRwCxk9jrtCW_sO-k7o_pc74w3K3TFuNSiSDxNkxL7iqhbcsC6fJ_KGGLgt2hXTGOb0HF536oZyI8vCqB79--R2I2fPJyR9EcMY1TljcIxwXp4TF-xL

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