installer_adobe_flash_player_english.exe

Free Software LLC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application installer_adobe_flash_player_english.exe by Free Software has been detected as adware by 14 anti-malware scanners. The program is a setup application that uses the installCore installer. During install, it bundles potentially unwanted software on a user's computer at the same time without adequate consent. The file has been seen being downloaded from freempr9.jrcaaa.com and multiple other hosts.
Publisher:
Free Software LLC  (signed and verified)

MD5:
b176d6ca49342502d12df038e17a3deb

SHA-1:
ad9c9befa56f39963bf5997c4069f80f9c114854

SHA-256:
f05b4dab618c66e9b103dbc231fd762d1e7252bef8bdd21c102efa8ff57d7d07

Scanner detections:
14 / 68

Status:
Adware

Explanation:
May bundle additional potentially unwanted software such as adware during setup.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
11/5/2024 11:35:10 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
PUA/InstallCore.Gen
8.3.1.6

AVG
Generic
2016.0.3101

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.DownLoad3.35287
9.0.1.05190

ESET NOD32
Win32/InstallCore.SC potentially unwanted application
7.0.302.0

F-Prot
W32/InstallCore.AG.gen
v6.4.7.1.166

K7 AntiVirus
Trojan
13.204.16003

Malwarebytes
PUP.Optional.BundleInstaller
v2015.05.23.01

NANO AntiVirus
Riskware.Win32.InstallCore.dnqbyw
0.30.24.1636

Reason Heuristics
PUP.Installer.FreeSoftware
15.5.23.1

Sophos
Generic PUA KN
4.98

Total Defense
Win32/Tnega.CCFOBXC
37.1.62.1

VIPRE Antivirus
Threat.4782551
40432

File size:
793.5 KB (812,592 bytes)

Product version:
1.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\installer_adobe_flash_player_english.exe

Digital Signature
Authority:
Starfield Technologies, Inc.

Valid from:
8/1/2014 12:08:01 PM

Valid to:
7/22/2015 1:23:49 PM

Subject:
CN=Free Software LLC, O=Free Software LLC, L=Wilmington, S=Delaware, C=US

Issuer:
SERIALNUMBER=10688435, CN=Starfield Secure Certification Authority, OU=http://certificates.starfieldtech.com/repository, O="Starfield Technologies, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
27DD6AADCC34E6

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:aKFTIENy3+ZSijrkfj0NF3I1zG8gnqZuDUYp799Sp:aYUrijrkfjOF41hgq4UYD8

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...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file installer_adobe_flash_player_english.exe has been seen being distributed by the following 23 URLs.

http://freempr9.jrcaaa.com/down.php?p=ADCASH-DDownload&trckid=uc4d9ac4254341dcc140209eb25

http://freempr9.jrcaaa.com/down.php?p=ADCASH-DDownload&trckid=32037678831417454967

http://freempr9.jrcaaa.com/down.php?p=ADCASH-DDownload&trckid=19197706151417441418

http://freempr9.jrcaaa.com/down.php?p=ADCASH-DDownload&trckid=udfcc77b4536361201124d6e9cb

http://freempr9.jrcaaa.com/down.php?p=ADCASH-DDownload&trckid=6900994271417459012

http://freempr9.jrcaaa.com/down.php?p=ADCASH-DDownload&trckid=u6965a62f5433cc08645c759539

http://freempr9.jrcaaa.com/down.php?p=ADCASH-DDownload&trckid=20987727591417427585

http://freempr9.jrcaaa.com/down.php?p=ADCASH-DDownload&trckid=37547165521417433100

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