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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 15 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 update412.com.
Publisher:
STMSetup  (signed and verified)

MD5:
32c915017c70752b951d7ecc376f949b

SHA-1:
8072799b99acb3041ce6187ebb5c5d2e7f9bc6ff

SHA-256:
0d0649fabfcc86eefd1f3e60eeb9442e4a3f0af7de73280355a9301e0faa0661

Scanner detections:
15 / 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:
11/4/2024 5:02:20 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.InstallCore
2014.11.20

Avira AntiVirus
ADWARE/InstallCore.Gen9
7.11.187.144

AVG
Generic
2015.0.3285

Dr.Web
Adware.InstallCore.386
9.0.1.05190

ESET NOD32
Win32/InstallCore.QC potentially unwanted application
7.0.302.0

K7 AntiVirus
Unwanted-Program
13.185.14071

Malwarebytes
PUP.Optional.InstallCore
v2014.11.19.07

NANO AntiVirus
Riskware.Win32.InstallCore.dgyiew
0.28.6.63474

Norman
InstallCore.CERT
11.20141119

Qihoo 360 Security
Malware.QVM06.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.STMSetup.R
14.11.19.18

Sophos
Install Core Click run software
4.98

SUPERAntiSpyware
Trojan.Agent/Gen-Cryptor
10227

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.3

VIPRE Antivirus
Threat.4150696
34232

File size:
763.3 KB (781,632 bytes)

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:
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:NavpRwJ8g/199VRJFrA1vJhm0/YQVLnK7EZ5BHq/dTJ4P3VkIXK9F:NavoKif9VfyU0/YQVLnKoqRJ4PlkhF

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:
7.8581

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://update412.com/download.php?conversion_id=14133878150290&site_id=429&app_id=4&lp_id=119&v=ico&dist_id=107&channel=adcfl282&c=e793b4fb980f6a9358ba1d4a918f7074&pbsid=1413387813760_1413387748559_101_7154_15775776_1&v_id=31f0bd8925de088701074676303bdcfa

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