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adobe_flash_setup.exe

OOO Gross Mauntin

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application adobe_flash_setup.exe by OOO Gross Mauntin has been detected as adware by 6 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. The file has been seen being downloaded from instant-soft-update.net.
Publisher:
OOO Gross Mauntin  (signed and verified)

MD5:
7146740d12cf2e726dee8789c329905f

SHA-1:
ea63b643952e876c054fb23b21a6f2aa6c8f1b6e

SHA-256:
74525f21fbb37aba3f13c4a81ac36f32a4d0701623026b7ad19fa40a4b9317e9

Scanner detections:
6 / 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:
5/10/2024 9:09:47 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.189.158

AVG
Generic
2015.0.3275

Dr.Web
Trojan.InstallCore.23
9.0.1.05190

ESET NOD32
Win32/InstallCore.QF potentially unwanted application
7.0.302.0

Malwarebytes
PUP.Optional.InstallCore
v2014.11.30.10

Reason Heuristics
PUP.Installer.OOOGrossMauntin.R
14.12.18.11

File size:
956 KB (978,896 bytes)

Product version:
1.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
OOO Gross Mauntin

Authority:
COMODO CA Limited

Valid from:
8/10/2014 8:00:00 PM

Valid to:
8/11/2015 7:59:59 PM

Subject:
CN=OOO Gross Mauntin, O=OOO Gross Mauntin, STREET="Pochtovaya B, 26B str 1", L=Moscow, S=Moscow, PostalCode=105082, C=RU

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

Serial number:
04B303957ACC562D3D5358976AAC9FD2

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):
24576:8v+MKaA19WFmO+vCZx2tPmHWs/wkMnwG/uUOVTRh29s:8Wj19MmOyCyJmH7/w1nOVTJ

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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

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

http://instant-soft-update.net/download.php?conversion_id=14170168668147&site_id=607&app_id=4&lp_id=558&v=icrs&stub_id=53&v_id=374237ea4cc14572801f58e18191ec59&dist_id=365&channel=ac_h1gv&cid=22662129021417016866&pubid=36910

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