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:
86c2ebab4e1bd03dca5df50e118ffd26

SHA-1:
db30a04a33d7a9811a019f40082edb7ec418d2e9

SHA-256:
aaf8ca55fbe76a31a6cf78f7d51eea223f5a19ebe7135bb04309448be992e735

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:
4/24/2024 8:17:52 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Coinis.installCore (M)
16.4.21.1

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 6:00:00 PM

Valid to:
2/18/2016 5:59:59 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 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:8Vvp1zCjvwdhGb5OwuFU2ukrgxGiMMEdDF31u9XmrsFM/6cusfAzm:8VvDzCbYkZuW2TgkiM9dDnu92rcMycuU

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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