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adobe_flash_setup.exe

Web

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_setup.exe, “Web 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. The file has been seen being downloaded from update4now.how2safeupdate.net.
Publisher:
Software Internet   (signed by OOO Premier Service)

Product:
Web

Description:
Web Setup

Version:
1.1.5.2

MD5:
b299cd8821db3ca6728eceaccc41ebd9

SHA-1:
990ee7aa22bd0cba1dd5742a7585feb6f5d940f6

SHA-256:
7600f6d76942f5a4c8cc8fabdca3af3d965f3b71ef5a4e339f7beef741bb6763

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:
12/25/2024 8:19:10 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.OOOPremi.Installer (M)
16.5.20.2

File size:
776.6 KB (795,200 bytes)

Product version:
2.2

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
OOO Premier Service

Authority:
COMODO CA Limited

Valid from:
1/15/2015 12:00:00 AM

Valid to:
1/15/2016 11:59:59 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 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:lS7aXYMr51CY4GQWp+wu6V/l6Yagr4GiR6uk8+CubSdmh8LHqVm3tvOBXskq2Q7K:lS7MYOQRtyaP1yUpHJdGBvRQ7hOkI

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:
7.8057

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://update4now.how2safeupdate.net/dl.php?conversion_id=14287163629467&app_id=4&lp_id=941&v=ico&stub_id=169&v_id=2nE8MwfHKndBt6g jhsqvciu5c26BUCet4Uucca aNU=&dist_id=251&channel=mrkfp&dast=c2xpZD0wJmJyc3I9Mzg0MSZjdTQ9MTgmY2ljbXA9NDY1MjI4JmNpc2lkPUE0QjhCOUY3OTMxMDA5NTE3NDY0NjcxODMwJmNpdWlkPTY1NDExMTQ1Mzc2OTcxODYyNzkmcHViaWQ9NzMxNDMmY2lwaWQ9MjAyMjAzMCZjaXJpZD1BNEI4QjlGNzkzMTAwOTUxODMxMzIyNDk5OSZvc2lkPTUzNSZibz0yJnN1YmlkPTIwMDI5MTMwNzcyODAwMDAwMCZtbXQ9LTEmY250cnk9MjI2JnNvPTImY3JpZD0yOTI2Njk4JmV4Y2lkPTIy

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