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malwarebytes.exe

The application malwarebytes.exe has been detected as a potentially unwanted program by 2 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 www.1freedown.com.
MD5:
49f99f5022b606c0dc8dbd18e6ce34ec

SHA-1:
85249a77fa068635df5066e60920ca101333657a

SHA-256:
dc802edfc881a3cdd40e1dc6550964f059b49ab8429c870b8965cf42f7174668

Scanner detections:
2 / 68

Status:
Potentially unwanted

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

Analysis date:
4/25/2024 10:36:57 PM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/OutBrowse.Q potentially unwanted application
8.0.319.0

Reason Heuristics
Bundler.OutBrowse.ET
16.12.5.0

File size:
100.6 KB (102,996 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\malwarebytes.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):
3072:OgXdZt9P6D3XJ5Cu5Ky/9XO3jR0eWSzUu/0WP:Oe34euUQ9OzRgW/cY

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:
7.6645

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://www.1freedown.com/.../download.php?id=5339d909dbc86&i=us1

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