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adobe_flash.exe

The application adobe_flash.exe has been detected as a potentially unwanted program by 4 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs. The file has been seen being downloaded from dl.app2desktop.com and multiple other hosts.
MD5:
0b7695d5ca3236670175212863ee5818

SHA-1:
b877a31e23fe0e87d7ba55003f4e46891840ad25

SHA-256:
7e3569394b877f9e09d7e07a773b7df1629d425ad95c9dd5c91bc99f4f8cb971

Scanner detections:
4 / 68

Status:
Potentially unwanted

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Analysis date:
4/26/2024 6:07:41 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.OutBrowse
14.04.06

avast!
Win32:Adware-gen [Adw]
2014.9-140406

Dr.Web
Adware.Downware.2081
9.0.1.096

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.28.0.58873

File size:
966.2 KB (989,376 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

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

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:SUotnqUABc227+aoloS07p+V0ahIDiZlj9zWKwE6BZ7e:VoZqrBcH7+aqoSggSahQiZ1FZwpZ7e

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9251

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file adobe_flash.exe has been seen being distributed by the following 2 URLs.

http://dl.app2desktop.com/DownloadManager/Get?p=1955&d=4029&l=3819&n=1&d1=?%&d2=?%&d3=?%&d4=?%&d5=?%&exeurl=http://aihdownload.adobe.com/bin/.../install_flashplayer11x32_mssd_aih.exe&dynamicname=AdobeFlashSetup&productname=Adobe Flash&filename=Adobe_Flash

http://download.download-update.org/download/.../nvcu5f6o83tfcfmd7mqk4e3qtqfiurk7m1ki4c5m835hrgogddk1

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