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 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The installer is marketed through download protals and search ads as the free Adobe Flash Player but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Natli LLC  (signed and verified)

MD5:
32b7d24ba4e98d4241e9a876bb0c7140

SHA-1:
37791bf9db96747213d28820efd960e3074e6c6f

SHA-256:
6f292aeeb170502e2a10ab6579d1208898cf4af67fb75892ff5df7bfa270bc5a

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
12/28/2024 11:04:17 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Coinis.installCore (M)
16.3.2.13

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:

Authority:
COMODO CA Limited

Valid from:
7/8/2013 5:00:00 PM

Valid to:
7/9/2014 4:59:59 PM

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 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:ImhpLLPUlIeei+yyg/sZkUF9Imh2Gvq98uOcm/pB7ed70FC9lzaoa7o6Qqg7L14:ImhRzUlIes9kecdOcmjkH9lzaoaE6B

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.

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