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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 14 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:
5ebf7438d49f3564a61aa4866babcc5d

SHA-1:
67df71f0540f664b4ebceddf5b88291d27f9d615

SHA-256:
1da38f809d09ef761d384fb90215d29379dbc11c54177cb68c265f2d1816b0d5

Scanner detections:
14 / 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:
5/2/2024 6:24:26 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.c.4
7.11.179.192

avast!
PUP-gen [PUP]
2014.9-140917

AVG
Generic
2015.0.3349

Comodo Security
Application.Win32.Installcore.QC
19854

ESET NOD32
Win32/InstallCore.QC potentially unwanted application
8.7.0.302.0

IKARUS anti.virus
PUA.Alians
t3scan.1.7.8.0

K7 AntiVirus
Trojan
13.184.13741

Kaspersky
not-a-virus:AdWare.Win32.InstallCore
14.0.0.3239

Malwarebytes
PUP.Optional.Installcore
v2014.09.17.07

nProtect
Trojan-Clicker/W32.InstallCore.780552
14.09.17.01

Reason Heuristics
PUP.Installer.OOOAlians.R
14.11.1.12

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.3

VIPRE Antivirus
Threat.4150696
33706

Zillya! Antivirus
Adware.InstallCore.Win32.258
2.0.0.1960

File size:
762.3 KB (780,552 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\documents and settings\martino\documenti\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:jPvpTfLNH1IJ5lzV8IfRZD8J3KGJYPkRGtRAax7LeR9tw0qlu3Ic5ayxOXjQyb8H:jPvJfbO5lxHfRZg3KkYPkRGtltLMku4m

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...
 
[+]

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=382&v=ico&dist_id=269&channel=acmnj&cid=25367559531410132413&pubid=245363&c=20a4febe59cb94a853d80a5d31ff8739&v_id=271072f0ca0d50873e5d9e1a16fafddf

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