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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 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 file has been seen being downloaded from blue.upgrade4secure.com.
Publisher:
OOO Gross Mauntin  (signed and verified)

MD5:
ed76062bdb5aa4a5bc1253056d07da80

SHA-1:
ab630adf1a5466ccf83123d4703fc1879405f431

SHA-256:
c256c60c3e21293f38c65953029779fa6319cdcd9461d1c25ea74cb2910aa38a

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 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:
11/15/2024 5:46:10 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.OOOGross.Installer (M)
16.4.21.12

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}\appdata\local\microsoft\windows\inetcache\ie\{random}\adobe_flash_setup.exe

Digital Signature
Signed by:
OOO Gross Mauntin

Authority:
COMODO CA Limited

Valid from:
8/10/2014 5:00:00 PM

Valid to:
8/11/2015 4:59:59 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 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:sv+MKaA19WFmO+vCZx2tPmHWs/wkMnwG/uUOVTRh29s:sWj19MmOyCyJmH7/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...
 
[+]

Entropy:
7.9103

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://blue.upgrade4secure.com/download.php?conversion_id=14174186680264&site_id=617&app_id=4&lp_id=514&v=icrs&stub_id=53&v_id=26421e5a5944568aeb38ff4ad50ac5cc&dist_id=379&channel=qws_e_fldl&subid=009235876016491045181

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