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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 9 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 soft122.org.
Publisher:
STMSetup  (signed and verified)

MD5:
a588bf279710705963541fab25d40675

SHA-1:
5a0c2d83579df699784bac9532b84ac4882d2d10

SHA-256:
37540ec478c778296c8cf86b56efc0ab9b1b0bb51db10165bb5c9c45da58250d

Scanner detections:
9 / 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:
4/29/2024 12:56:51 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3326

Dr.Web
Adware.InstallCore.386
9.0.1.05190

ESET NOD32
Win32/InstallCore.OU potentially unwanted application
7.0.302.0

K7 AntiVirus
Unwanted-Program
13.183.13630

Malwarebytes
PUP.Optional.InstallCore
v2014.10.09.06

Norman
InstallCore.CERT
11.20141009

Reason Heuristics
PUP.Installer.STMSetup.R
14.10.9.18

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
Threat.4786018
33706

File size:
765.7 KB (784,096 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:
STMSetup

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):
12288:BaFaepzbQtP+PxGn0hEjXMhmbeBL1IaCJ4jza4VCPtQ/YniTR0CpgRJcmV4OAEqm:BaF/zb4P+PUXXMhiet6nJ+a4cPtQAqRI

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:
7.8592

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://soft122.org/download.php?conversion_id=14121680203066&site_id=402&app_id=4&lp_id=382&v=ico&dist_id=269&channel=acmnj&cid=25850226171412168018&pubid=231699&c=20a4febe59cb94a853d80a5d31ff8739&v_id=4e11a087e25d0c8f5429ba99094e37bd

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