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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:
8a70b1dcc41a519647b88b4669438856

SHA-1:
1ea99f492ccdae141cae65c809e0dacc75e04af0

SHA-256:
d0d03a87e12dc55c85dc9b1ef7beeb3ef782985a8b984864ec58c0d16f252c6f

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 '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:
12/24/2024 11:20:20 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.12.19.8

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:
1/22/2015 6:00:00 PM

Valid to:
1/23/2016 5:59:59 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 5:22:17 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...
 
[+]

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://check4upgrade.how2safeupdate.org/dl.php?conversion_id=14314758798115&app_id=4&lp_id=554&v=ico&stub_id=231&v_id=lJfCdm06Mdmo7lOIMS2FisxYQTg--aEmcDF-hT8VjO4.&pcl=IIBjkLnsfnr6ZmlwKXWAGo1_aO-uL_4TkdGJxsAv1oE.&CLICK_ID=hsHh0f6KoySyOAi5FYV-S8synPNr8qzNBqeeNUPQZsD8vPYgRn3V6B1_z1iKReb-ES9uw2G0gmyYheFqGg-3cBj-1WWR-6TTBlDbVWqW3m3-xG4V3hGZcqujU7MmTgSQVcZ34Gz_LWu6eGpT5BDZHIZ4EdvA1iKYbOknCCrshhxOb6W_6DhBCSSNI0uN8qo5pJqICXzaMRJj_EBE7wvP8chsuC3-RgbcFoJ9KVl6-j-V2dCxNnPWOh3-0nAw6MKWKKN3FAz5-27FjVE0kBpKjYM422fAoqRudooSZL8qF2eN2gHuaGtZysl9sykBi64Qzdc9PK9j9Gwy8fYBrhIhYbva_6DhT4RPndWkEyc6OkkYpm4gouvCNSRiwK0cW67MOD00zC6WtZbnxyIVh8ocTJUoIu0kF6OkWGWP-S2XtuzClz4p8tlPvZ0oq_BEcHa_3v5RPRNd9QaMHms

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