install_flashplayer.exe

Information Technology Systems doo

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 Information Technology Systems doo 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:
Information Technology Systems doo  (signed and verified)

MD5:
5a431992cf86499e64f0cf3fed7e65e3

SHA-1:
c77778cee829b1d1a3f0cac25f2e1ccf2b3fa602

SHA-256:
6b71afab4e94aedd4960edbab03584949663c6d164a3c5cf142c429b4fd990d8

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 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:
4/18/2024 12:35:14 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Coinis.installCore (M)
16.1.2.17

File size:
715.6 KB (732,728 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
Authority:
COMODO CA Limited

Valid from:
2/17/2014 7:00:00 PM

Valid to:
2/18/2016 6:59:59 PM

Subject:
CN=Information Technology Systems doo, O=Information Technology Systems doo, STREET=Bulevar Dzordza Vasingtona 60, L=Podgorica, S=Montenegro, PostalCode=81000, C=ME

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

Serial number:
00C5C6AC5F85C769596A73A863C86D258C

File PE Metadata
Compilation timestamp:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:2Vvp1zCjvwdhGb5OwuFU2ukrgxGiMMEdDF31u9XmrsFM/6cusfAzm:2VvDzCbYkZuW2TgkiM9dDnu92rcMycuU

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:
7.8791

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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