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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 15 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 taxsoft.co.
Publisher:
OOO Alians  (signed and verified)

MD5:
3a5dba925ecb78e95abe148dfa51580c

SHA-1:
b909fbf94a1e0eb7d7ece6e92103884dbb56edb3

SHA-256:
4ffc43f3f96a68cce9000b173bb986b24243a512f9f4d6aed96a2f01ee9608a5

Scanner detections:
15 / 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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
5/1/2024 12:57:38 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.c.4
7.11.193.202

avast!
PUP-gen [PUP]
141130-1

AVG
Generic
2015.0.3265

Clam AntiVirus
Win.Adware.Installcore-567
0.98/19753

Comodo Security
Application.Win32.Installcore.QC
20315

Dr.Web
Trojan.InstallCore.25
9.0.1.05190

ESET NOD32
Win32/InstallCore.QW potentially unwanted application
7.0.302.0

K7 AntiVirus
Unwanted-Program
13.186.14280

Malwarebytes
PUP.Optional.Installcore
v2014.12.09.01

nProtect
Trojan-Clicker/W32.InstallCore.780552
14.12.09.01

Reason Heuristics
PUP.Installer.OOOAlians.R
14.12.9.13

Sophos
PUA 'Install Core Click run software'
5.08

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.3

VIPRE Antivirus
Threat.4150696
35418

Zillya! Antivirus
Adware.InstallCore.Win32.258
2.0.0.2001

File size:
762.3 KB (780,552 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 5:00:00 PM

Valid to:
7/24/2015 4:59:59 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 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:0PvpTfLNH1IJ5lzV8IfRZD8J3KGJYPkRGtRAax7LeR9tw0qlu3Ic5ayxOXjQyb8H:0PvJfbO5lxHfRZg3KkYPkRGtltLMku4m

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:
7.8088

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://taxsoft.co/download.php?site_id=276&app_id=4&lp_id=382&v=ico&dist_id=125&channel=acpopf100&src=ac&cid=18144524351409775864&pubid=261701&c=da45c19910b63f2697f4253bc667e971&v_id=012b08e09a8403dfd93e91ab0a41b0aa

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