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adobe_flash_setup.exe

OOO Alians

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 by OOO Alians has been detected as adware by 11 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from kokosoft.org.
Publisher:
OOO Alians  (signed and verified)

MD5:
43569b0903efcc18bb19f610c93b6b43

SHA-1:
b2d956c17e1a73e5738aebaeffe2aebfb63fa314

SHA-256:
b616b2b4251070242095eb0677aae7bd9b396069a92deaaee1a5491b6686e77e

Scanner detections:
11 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
12/27/2024 2:40:10 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.178.170

AVG
Generic
2015.0.3353

Dr.Web
Trojan.MulDrop5.38104
9.0.1.0255

ESET NOD32
Win32/InstallCore.QL (variant)
8.10570

IKARUS anti.virus
PUA.Alians
t3scan.1.7.8.0

K7 AntiVirus
Trojan
13.183.13690

NANO AntiVirus
Riskware.Win32.InstallCore.dfgool
0.28.2.62671

Reason Heuristics
PUP.Installer.OOOAlians.R
14.11.1.12

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
33952

Zillya! Antivirus
Adware.InstallCore.Win32.258
2.0.0.1956

File size:
766.2 KB (784,616 bytes)

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 Alians

Authority:
COMODO CA Limited

Valid from:
7/23/2014 8:00:00 PM

Valid to:
7/24/2015 7:59:59 PM

Subject:
CN=OOO Alians, O=OOO Alians, STREET="Tverskoy bulvar 18, str. 2", L=Moscow, S=Moscow, PostalCode=125009, C=RU

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
72192EE2D047E173BA469CFBF35B689D

File PE Metadata
Compilation timestamp:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:i2vpAVfpBqBsiMyHTIj5I3rcO4jZSX7TiHQEq9Nvurr0gAqtLmhlBARXdo8:i2v+Vfp05lH8j5I3rcSyHQEqnulAChdJ

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:
7.8092

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://kokosoft.org/download.php?site_id=308&app_id=4&lp_id=381&v=ico&dist_id=251&channel=mrkfp&dast=Ym89MiZzbGlkPTAmc3ViaWQ9MjAwMTMzNDIyNTIxMDAwMDAwJnNvPTImY2ljbXA9MzUxNTk4JnB1YmlkPTYzMTY3JmNpcGlkPTIwMjIwMjAmY2lzaWQ9QjlEMjcxRDc3QjIxMTI0MzM3NTU1ODIzMzYmY2lyaWQ9QjlEMjcxRDc3QjIxMTI0MzQyNzA0OTg2JmNpdWlkPS02MTk5NDg1MzcyMjM2OTE2MjE1JmNyaWQ9MjU3NDMyOCZleGNpZD0yMiZtbXQ9LTEmY250cnk9MjI3&c=6dd2878b1b3d78d34d994bf541e3b4ab&v_id=8c28215b91faf6fc4126ee09ceb31884

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