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:
2fca0cb58c1be9ef85004ff18822cfe3

SHA-1:
698ef3dcea89a428ac2f688182b1c7ab727fdfbe

SHA-256:
feb1bec6977590f2528a4d9d103f84928d08929a825cc21788d55d34c0bffe67

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:
4/19/2024 2:48:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Coinis.installCore (M)
16.6.25.8

File size:
650.4 KB (666,040 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:

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:C9Fa+Q3Ime2sGNWmFu4tt3nx277cXEsOqORpDxnVMRSvKn:C9FPQ4meIWsuGicXDADwSvo

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, BF, A9, FF, FF, E8, 5E, 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:
7.8409

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.

Remove install_flashplayer.exe - Powered by Reason Core Security