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adobe_flash_player.exe

Web Installer

OOO Creo 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_player.exe, “Web Installer Setup ” by OOO Creo 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. The file has been seen being downloaded from liveupgrade.newcheck4updates.net.
Publisher:
Internet   (signed by OOO Creo Advert)

Product:
Web Installer

Description:
Web Installer Setup

MD5:
aba9ceccf2bbf2dd34db1723d9bfba5a

SHA-1:
80adee69e23754bd5ee3e92e42453cb32c10ef73

SHA-256:
d3103ac261e6d3a020f9c3d9c2d5a69b3d0469a473ba796fb3f808ab896bfc3c

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:
11/27/2024 2:48:53 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.OOOCreoA.Installer (M)
16.5.30.19

File size:
780.7 KB (799,448 bytes)

Product version:
2.1.7

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\adobe_flash_player.exe

Digital Signature
Signed by:
OOO Creo Advert

Authority:
COMODO CA Limited

Valid from:
1/23/2015 8:00:00 AM

Valid to:
1/24/2016 7:59:59 AM

Subject:
CN=OOO Creo Advert, O=OOO Creo Advert, STREET=Prospect Volgogradskii 2, L=Moscow, S=Moscow, PostalCode=109316, C=RU

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

Serial number:
5CA28C3040B50169C6EFFE7AD594035D

File PE Metadata
Compilation timestamp:
6/20/1992 6:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:MJypQsDO0SRJstV6Utr8qxlknot31ImqQupalH8hkP4ITKfbDH:MJyVDO0S7kV6ArBrwm31Iq4aLA8Abj

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:
7.8115

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

Code size:
37 KB (37,888 bytes)

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

http://liveupgrade.newcheck4updates.net/dl.php?conversion_id=14314988211246&app_id=4&lp_id=733&v=ico&stub_id=231&v_id=_4Lc_zd3up1J5a4IVSBO2OSM8PDDdUgkD1TdhuFn7bY.&pcl=IIBjkLnsfnr6ZmlwKXWAGo1_aO-uL_4TkdGJxsAv1oE.&CLICK_ID=AEhsclR1fvIh-Qpej7f3xrr-FUMzZZcSZ3GTG2RIv2DSFvKbHQ3MEIWkLA13cSSFoNAAlJWRbCYwxtWpYBp_j1BjNkhhBddMbahtfdqM1iTi716CH79yn-PHp1s7OoBJxDHXU69KrSKkbY0x7wyZcUrETx9QVNC2oG9RpXxnOsjyYhtQd5lxWOpwCZkSEEPOUxDV2gMXYuvPTj0nRrrRxWm3yJscQJsXJj9FDkh2X1hyztO0eXgDxaVVRp0ZfqAl38iY6Q__gptbSSx6hJUgKG-9cccjX9Zx0e39e76IvfJZwH1pGHaTv8NBkl2G61wA2yZqNAmwYZZVzAZ8uZdng-eCbA0ulStIbEFE3IFR_KXaKEUAGZFWNHefMefA-VPXnAOan6KpyQaL1Pff8TW1rJQm7g2RDWtB5wsVPqWP2WZ7gyhqxqVjaCvYWYOmqY3bB3ivXUA

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