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installer_adobe_flash_player_english.exe

MARi Mara

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application installer_adobe_flash_player_english.exe by MARi Mara has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the OutBrowse Revenyou installer. The file has been seen being downloaded from rhtag.com.
Publisher:
MARi Mara  (signed and verified)

MD5:
0989226f758a7ecd13fcad268cfe06ec

SHA-1:
a9e9b5db1970281c2f0c0a182af7d0946b7f6a23

SHA-256:
150a91107f0cc305c6889b8ec340d20372ebdd9ec48ab2fcfa01e634672f1e2f

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
5/9/2024 11:46:30 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.7.18.0

File size:
589.6 KB (603,768 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
MARi Mara

Authority:
thawte, Inc.

Valid from:
1/22/2015 1:00:00 AM

Valid to:
12/18/2015 12:59:59 AM

Subject:
CN=MARi Mara, O=MARi Mara, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
663018F0F9EA4CED0AD7F220A3B3224D

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:H+AZlzKpkmQ2+zHMG7JZeZmQMA49d9mkNSgtI6KDO6tuBtG:H+uzETQpI4aoQMA49dE9fOwuC

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://rhtag.com/.../adClick?ai=dxYyzVlXuV8nVFb04GmoShozvVK0fMwHeTK_cqhey7ZhoNH4yK91VscKxl6opfrJWwTFKBt-lx18Sp0y0yo73SDDEPvwwdnCfVSVBHcJX0KGxLhu9eeMYSazT_aiagvjn8YTXq7NO3TwEdjEYgaRPQPgcuifKRjch_XxP0KkeoKpWmi2GiK8vPduUytqZIVOufBbO9p93f4O9LAo7hxx0TbqWa9ajlWRTqr5IaPzfV-J0j4DYDlEhZrXStK-OQVz5vZrWB8y101LIFxl5HI7cQBJ8Tltrfh1fPgL-IA9QXaIFk7Pv4YdDekcMYW7qJ1_idOYhoBMwaNdt4UkUYpen54rLkcFYcyqR3X6k5oIFC-JSsPAp_w5fA&ui=27ZzRbUgHCTBrDqSWj2zbfbWwvziNp_1dII1hxzvyCdT-IcVygIaSNXVOcJE0r4d&src=BANNER&bt=banner_10x10_11

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