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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 check4upgrade.how2safeupdate.org.
Publisher:
Internet   (signed by OOO Creo Advert)

Product:
Web Installer

Description:
Web Installer Setup

MD5:
048fde752ece86c614e1674a8a82fc64

SHA-1:
bf2b34fbeec37301b7607c18e9779399b38746b7

SHA-256:
2664807d06acdbfc799c2e0e7c51cd819e50d8a9364113dca47483f1257f0ab0

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 12:45:27 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.12.29.19

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)

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

Digital Signature
Signed by:
OOO Creo Advert

Authority:
COMODO CA Limited

Valid from:
1/22/2015 9:00:00 PM

Valid to:
1/23/2016 8:59:59 PM

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:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

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...
 
[+]

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://check4upgrade.how2safeupdate.org/dl.php?conversion_id=14314448403083&app_id=4&lp_id=468&v=ico&stub_id=231&v_id=dIkKPkNcMGsjpXajvveGeJ0PjO9CIJhCk28pbH08n2c.&pcl=cwUcNQhsfOlznJDr4SW5vQAQ2WO1nGsa0EtSF2BFIMI.&CLICK_ID=1QMON8ByGC7vIKn2Etvp2iGoIrUGiMlsHerXgOXWmYnCSsnvCcad1YhhY4asBycAsZMGYOkvVY13kjlNVXWCuI2L7_rn9oui_NA-M0a7XTlOgs4kODufJ9zwES7aMUbH2O5JK9WiAwafiyAEZ8-1E4efwVpy6K0xY1jfgUk_mqBye_fwJbtEJNF3f6uqOfAYSWfVTnpKiJHm0XEk9698uWA9F_RgeQGpbHpTmxfkSmEwqcqIo1QLxXrkjpJX7pjoaVaX_O4XYuMsEQlTdSJgXdpMawRF0ygsLEb9X5ERFjASQj1FUpeMRlpC3F6_Ct5C5I0fyBvBr-mBDgOqww9ojz14BjlW9ZU_AIMfYwVE7QY1lK-VD8wjcgLrqHQS9eByuIu21Pgdj_r6xwEXH06XN2adHvs_R4r6y1VyAMJIF5i4IHzGubL9J-gPJQ

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