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adobe_flash.exe

OUTBROWSE

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application adobe_flash.exe by OUTBROWSE has been detected as adware by 8 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. 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.
Publisher:
OUTBROWSE  (signed and verified)

MD5:
fa3bf07682a92abdc60a1fb77d5046ec

SHA-1:
871d0b401500af2ae8047895dbc6141e228035ee

SHA-256:
72a999f354427aa91a7753f4c4261cd6dc07b8e4fe30f3136ad898fbcbcc62a8

Scanner detections:
8 / 68

Status:
Adware

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

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:
4/24/2024 5:45:59 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
MalSign.Generic
2015.0.3500

Dr.Web
Adware.Downware.2081
9.0.1.0109

ESET NOD32
Win32/OutBrowse
8.9651

herdProtect (fuzzy)
variant of by_mayoufi_tunisia-satspyhunter.4.16.5.4290.rar.exe (Adware)
2014.7.7.10

Malwarebytes
PUP.Optional.OutBrowse
v2014.04.19.01

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.28.0.59048

Reason Heuristics
PUP.OUTBROWSE.L
14.8.7.20

VIPRE Antivirus
Trojan.Win32.Generic
28384

File size:
970.5 KB (993,784 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
OUTBROWSE

Authority:
COMODO CA Limited

Valid from:
4/6/2014 7:00:00 PM

Valid to:
4/7/2015 6:59:59 PM

Subject:
CN=OUTBROWSE, O=OUTBROWSE, STREET=Bialik Number: 143, L=Ramat Gan, S=Israel, PostalCode=5252337, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00A5F03C3A375C11FD6C1C160EE8BFF923

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:/c/5K0vqxgYznk68rlyJQy0jjSQfEKLKrEewtkPbgwVDTZmxAT7:O5rvyk68Eay0/SQff2rEewtkPbVVvZi0

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:
7.9271

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=4405&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/.../havn215fdno4j2hd8q8v32r8184h6ge4qg5bdkrnl9k04acdett1

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