adobe_flash_setup.exe

STMSetup

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 STMSetup has been detected as adware by 11 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 pc-update-1024.net.
Publisher:
STMSetup  (signed and verified)

MD5:
7601e51b68eb5faad7d45599ab83e5b9

SHA-1:
494808299219345b8f3f34c33bcc3666a692281b

SHA-256:
3c21b9abaabc442a4c670578fabbf945753427901d1e141dab6094ef7ef30087

Scanner detections:
11 / 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 2:10:54 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
7.11.184.252

AVG
Generic
2015.0.3292

Dr.Web
Adware.InstallCore.386
9.0.1.05190

ESET NOD32
Win32/InstallCore.OU potentially unwanted application
7.0.302.0

K7 AntiVirus
Trojan
13.185.13993

Malwarebytes
PUP.Optional.Bundle
v2014.11.12.08

NANO AntiVirus
Riskware.Win32.InstallCore.dhpyds
0.28.6.63362

Norman
InstallCore.CERT
11.20141112

Reason Heuristics
PUP.Installer.STMSetup.R
14.11.12.20

VIPRE Antivirus
Threat.4786018
34232

File size:
852 KB (872,432 bytes)

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:

Authority:
COMODO CA Limited

Valid from:
4/27/2014 5:00:00 PM

Valid to:
4/28/2015 4:59:59 PM

Subject:
CN=STMSetup, O=STMSetup, STREET=28 Lenelblome St., L=Tel-Aviv, S=Israel, PostalCode=651307, C=IL

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

Serial number:
4CC8AF2C057FC32A3FA7F44EAADD7EEA

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:GOKFfGiQ0aCtRLy+mmDACVaegYNgnpleneEN9xojG:GOYuSa2Z9D3aeggUleV9xo6

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:
7.6450

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.

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