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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 s.ad120m.com.
Publisher:
MARi Mara  (signed and verified)

MD5:
dbc094b994b9d80c02b74d6ec82ffc26

SHA-1:
f900c104b4a89d27efe2ed841820546b8a79cba7

SHA-256:
4a54e1b32504522a67b1eec3a3955f3d55f5c3a1025abcd21f03bc21a81e0563

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:
5/22/2024 1:06:59 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
17.1.16.17

File size:
570 KB (583,696 bytes)

File type:
Executable application (Win32 EXE)

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

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 2:00:00 AM

Valid to:
12/18/2015 1:59:59 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:
12/6/2009 12:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

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://s.ad120m.com/event/click/0/sk6XkEZGJUXeufmBRYLXzWhYtQTBKwOu85olVzBqun5JXiS4NJofFdYuFc7YMKCMuP331puUwBCO09cd6CGqcmfhXUfFZyUbTN_mKSqRJy4Hcdw649Yd_LfC63jOkOqJHcvpceWZ8Jnx4ddQx2v7fyIxZwepW0op2wcS9yFRYb17XTZLA_Ixkglzl4IidyTqVtZZIwmZIk6mzHzSjtG8zswSnwOUC0_kXuoeF2EXEFuhPrafyzV0NakmgG5zBqOOmQ3RHLZP_ooZ0AEDS4lVTBxieL4eWQg1RDWKOHIMcxXLyBQV3JFmugKiCrRHTyWy74EO5b59bNhzs5jjumu-vHgZhMFMVGq_6UmzfR9fvmp4OJME-IoNw66owOrotXUC8ZZyIQMnsSSciIaJofgAB6i0bme1gyY/.../

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