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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 13 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 koyotsoft.org.
Publisher:
OOO Alians  (signed and verified)

MD5:
4b6e315bfdcc985268830d028069f545

SHA-1:
0398535547ff7fc7a6274b9376af4a43a44f8c72

SHA-256:
4603181944c7f15bd4e81a7f6160051dcc0950941becfba104e138af23f7e7ee

Scanner detections:
13 / 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 '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:
11/5/2024 7:37:05 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.c.4
7.11.177.78

avast!
PUP-gen [PUP]
141003-0

AVG
Generic
2015.0.3327

Clam AntiVirus
Win.Adware.Installcore-567
0.98/19483

Comodo Security
Application.Win32.Installcore.QC
19739

ESET NOD32
Win32/InstallCore.QC potentially unwanted application
7.0.302.0

K7 AntiVirus
Trojan
13.183.13619

Kaspersky
not-a-virus:AdWare.Win32.InstallCore
15.0.0.494

Malwarebytes
PUP.Optional.Installcore
v2014.10.08.02

nProtect
Trojan-Clicker/W32.InstallCore.780552
14.10.08.01

Reason Heuristics
PUP.Installer.OOOAlians.R
14.11.1.12

VIPRE Antivirus
Threat.4150696
33706

Zillya! Antivirus
Adware.InstallCore.Win32.258
2.0.0.1947

File size:
762.3 KB (780,552 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
OOO Alians

Authority:
COMODO CA Limited

Valid from:
7/24/2014 2:00:00 AM

Valid to:
7/25/2015 1:59:59 AM

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:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:WPvpTfLNH1IJ5lzV8IfRZD8J3KGJYPkRGtRAax7LeR9tw0qlu3Ic5ayxOXjQyb8H:WPvJfbO5lxHfRZg3KkYPkRGtltLMku4m

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...
 
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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://koyotsoft.org/download.php?site_id=285&app_id=4&lp_id=383&v=ico&dist_id=269&channel=acmnj&cid=13495725251410164565&pubid=259581&c=20a4febe59cb94a853d80a5d31ff8739&v_id=c33ebf203f4fe71b53fed95887fd9ecb

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