install_flashplayer.exe

Adobe Flash Player

Download Manager

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application install_flashplayer.exe, “Adobe Flash Player ” by Download Manager has been detected as adware by 26 anti-malware scanners. The program is a setup application that uses the AirInstaller Download Manager installer. The installer is marketed through download protals and search ads as the free Adobe Flash Player but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Download Manager   (signed by Download Manager)

Product:
Adobe Flash Player

Description:
Adobe Flash Player

Version:
2.0.5.1

MD5:
cd7aa8d345c5c6e704eceb95bdbf2c14

SHA-1:
ffe6a95ebd8ac67f2c9d898eb7afb6466398858f

SHA-256:
f6270b92b7033a8eef871717e40366bca5993f99df07d57416633cc350d62120

Scanner detections:
26 / 68

Status:
Adware

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:
1/13/2025 1:30:53 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.AirAd
7.1.1

AhnLab V3 Security
PUP/Win32.AirAdInstaller
14.08.01

Avira AntiVirus
ADWARE/Adware.Gen
7.11.142.70

avast!
Win32:PUP-gen [PUP]
2014.9-140801

AVG
Generic_r
2015.0.3509

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Adware.Airadinstaller-19
0.98/19073

Comodo Security
Application.Win32.AirAdInstaller.B
18179

Dr.Web
Trojan.SMSSend.4860
9.0.1.099

ESET NOD32
Win32/AirAdInstaller (variant)
8.9657

F-Prot
W32/AirInstall.A8.gen
v6.4.7.1.166

G Data
Win32.Adware.Airadinstaller
14.8.24

IKARUS anti.virus
AdWare.Airinstall
t3scan.2.2.29

K7 AntiVirus
Unwanted-Program
13.176.11711

Kaspersky
not-a-virus:AdWare.Win32.AirAdInstaller
14.0.0.3475

Malwarebytes
PUP.Optional.AirAdInstaller
v2014.04.09.06

NANO AntiVirus
Riskware.Win32.AirAdInstaller.cwbkcs
0.28.0.59048

nProtect
Trojan-Clicker/W32.AirAdInstaller.824744
14.03.17.01

Panda Antivirus
Trj/Genetic.gen
14.08.01.12

Qihoo 360 Security
Malware.QVM18.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.DownloadManager.T
14.8.7.23

Rising Antivirus
PE:PUF.Airinstall!1.9C4C
23.00.65.14407

Sophos
AirInstaller
4.98

Vba32 AntiVirus
AdWare.AirAdInstaller
3.12.26.0

VIPRE Antivirus
Iminent
28174

Zillya! Antivirus
Adware.AirAdInstaller.Win32.101
2.0.0.1801

File size:
842.9 KB (863,160 bytes)

Product version:
2.0.5.1

Copyright:
(c) Download Manager

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
6/7/2013 8:00:00 PM

Valid to:
6/8/2014 7:59:59 PM

Subject:
CN=Download Manager, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Download Manager, L=Vancouver, S=British Columbia, C=CA

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
428E8B7C1AC548D083F4D3A0C5FDAF4C

File PE Metadata
Compilation timestamp:
3/18/2014 11:58:23 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:isaIdkGDmsYH2taQMbJ9tDXxnHN88xnc7C8uWm:isUO7YHEa/J7xc7C/W

Entry address:
0x269690

Entry point:
60, BE, 00, 60, 5A, 00, 8D, BE, 00, B0, E5, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Entropy:
7.8869

Packer / compiler:
UPX 2.90LZMA]

Code size:
784 KB (802,816 bytes)

The file install_flashplayer.exe has been seen being distributed by the following URL.

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