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install_flashplayer.exe

Natli LLC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application install_flashplayer.exe by Natli 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. With this installer, users are expecting to download the free Adobe Flash Player but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Natli LLC  (signed and verified)

MD5:
29a7efc01745984fd14b9ca3d8c7b60b

SHA-1:
ff67179d994ae57efea270ce5191e588a98f16b8

SHA-256:
7b21f802cc671d3ecb2c93dc1080a54a7b14f1858dc27aa655546f0ed677cbc4

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:
4/19/2024 2:20:53 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.160.162

AVG
Generic
2015.0.3414

ESET NOD32
Win32/InstallCore.MS potentially unwanted application
7.0.302.0

Malwarebytes
PUP.Optional.Bundle
v2014.07.14.06

Qihoo 360 Security
Malware.QVM06.Gen
1.0.0.1015

Reason Heuristics
PUP.Natli.T
14.7.14.5

Sophos
Install Core
4.98

SUPERAntiSpyware
PUP.InstallCore/Variant
10484

Vba32 AntiVirus
Downware.InstallCore
3.12.26.3

VIPRE Antivirus
Threat.4788237
31208

File size:
651.9 KB (667,560 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Natli LLC

Authority:
COMODO CA Limited

Valid from:
7/9/2013 1:00:00 AM

Valid to:
7/10/2014 12:59:59 AM

Subject:
CN=Natli LLC, OU=Software Department, O=Natli LLC, STREET="St. Kirochnaya 30, liter A, office 1-H, 191123,", L=Saint Petersburg, S=Center, PostalCode=191123, C=RU

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

Serial number:
6991494B5A80ADDCF421DAD0DE88A741

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:MmhpLLPUlIeei+yyg/sZkUF9Imh2Gvq98uOcm/pB7ed70FC9lzaoa7o6Qqg7L14:MmhRzUlIes9kecdOcmjkH9lzaoaE6B

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:
7.8428

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file install_flashplayer.exe has been seen being distributed by the following URL.

http://debsoft.com/.../getfile.php?id=192163&lp_id=163&dist_id=225&channel=achr225p&src=ac&cid=15588660721402910004

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