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adobe_flash_player.exe

Program

OOO Premier Service

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, “Program Setup ” by OOO Premier Service 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 setupupgrade.how2makeupdate.net.
Publisher:
Internet Web   (signed by OOO Premier Service)

Product:
Program

Description:
Program Setup

MD5:
62f5a454a402dff92173eb61d62cfcf1

SHA-1:
ca39b57a786f8b2a047a0533a881e6ff2b8bed3b

SHA-256:
f32f69b200880167bdc977f4a919424940ef1d1139b1642e29828e989eaf341b

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:
12/26/2024 12:31:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.OOOPremi.Installer (M)
16.3.21.7

File size:
760 KB (778,272 bytes)

Product version:
3.7.9

Copyright:
Application Web

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_player.exe

Digital Signature
Signed by:
OOO Premier Service

Authority:
COMODO CA Limited

Valid from:
1/14/2015 6:00:00 PM

Valid to:
1/15/2016 5:59:59 PM

Subject:
CN=OOO Premier Service, OU=OOO Premier Service - Software, O=OOO Premier Service, STREET=Chelyuskinskaya 11, L=Moscow, S=Moscow, PostalCode=129336, C=RU

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

Serial number:
00E4A7714941EDC263F4A4DB432530568A

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

CTPH (ssdeep):
12288:5r+GBB3JeQh/nReYMxSBup/Vk3hAr/BMW9j9bfHls40+a8quziP0tTWkXVvAHice:5r+23JfO/xQupt6hAKW9o4FMPgSmpBGQ

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.7971

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

Code size:
39.5 KB (40,448 bytes)

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

http://setupupgrade.how2makeupdate.net/dl.php?conversion_id=14316563953128&app_id=4&lp_id=554&v=icrs&stub_id=228&v_id=iQlxxRzJ06OtsHfLGHLGe9F8D7XRJZxUrTjGyUA-zuc.&pcl=uxuvdfKbMADvff5qdoDHEujgtCVx2sel9PizjIx695k.&cid=102a5c36fffcf59027a1169c723f29

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