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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 8 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from l.performance-update.com.
Publisher:
OOO Gross Mauntin  (signed and verified)

MD5:
8a649b7f93bac02a9d7a286108ae4f53

SHA-1:
255a38c37b1ab1df17bfe61d990c66f7a77e4040

SHA-256:
876fd6a281a6e0775eb2d975c63fc76f5515547fe0d39635763f5c05b00e58ca

Scanner detections:
8 / 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:
12/25/2024 12:49:18 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.196.160

avast!
Trojan-gen
141214-1

AVG
Generic
2015.0.3256

Dr.Web
Trojan.InstallCore.23
9.0.1.05190

ESET NOD32
Win32/InstallCore.TS potentially unwanted application
7.0.302.0

K7 AntiVirus
Trojan
13.188.14380

Kaspersky
not-a-virus:Downloader.MSIL.MaintainSystem
15.0.0.543

NANO AntiVirus
Riskware.Win32.InstallCore.dfglnv
0.28.6.64267

File size:
1005.6 KB (1,029,784 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}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\adobe_flash_setup.exe

Digital Signature
Signed by:
OOO Gross Mauntin

Authority:
COMODO CA Limited

Valid from:
8/10/2014 7:00:00 PM

Valid to:
8/11/2015 6:59:59 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 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:75uD1oAFHOEDPoz/KvJHNzdLpT47swiSWovhRmp4v5Q:785FuEDLN5mNJa4Q

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:
7.9060

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://l.performance-update.com/download.php?conversion_id=14187480222872&site_id=836&app_id=4&lp_id=365&v=icrev&stub_id=57&v_id=143a1bba14810461eed848c14d6d40e5&dist_id=573&channel=ac_nf9&cid=11972162001418748021&pubid=366464

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