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malwarebytes-anti-malware.exe

WinInstallDownloadManager

staRT PlAyIng

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application malwarebytes-anti-malware.exe by staRT PlAyIng 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 get.downward234.info.
Publisher:
staRT PlAyIng  (signed and verified)

Product:
WinInstallDownloadManager

Version:
1.15522.80.0

MD5:
45ddc48d3acdb23779b5954e76dad9a1

SHA-1:
5c328a7bb4707a045efa1c668af69a460a46e2e0

SHA-256:
a65f639e4795c1cdf7c498384ed686d22cbdee4d51c2554ef8310f8e0808534b

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 also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
5/15/2024 8:22:36 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.7.19.14

File size:
696.2 KB (712,912 bytes)

Product version:
1.15522.80.0

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\malwarebytes-anti-malware.exe

Digital Signature
Signed by:
staRT PlAyIng

Authority:
thawte, Inc.

Valid from:
5/17/2015 8:00:00 PM

Valid to:
12/11/2015 6:59:59 PM

Subject:
CN=staRT PlAyIng, O=staRT PlAyIng, L=Dublin, S=Dublin, C=IE

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

Serial number:
0768DE98A7700CEC69341965A40B088F

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:g0SRsAz5BQGsp/oxnaHSDZ/O9CKGV4C5rRyhnFNSNLTy73Ie5JG:g0SGu5mHp/qnaa/5Kq4EmGyT+

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, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9575

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://get.downward234.info/.../1432258517/1432258517?70510720975YGVvMDY4bj0oKSsyNiFjPSoyMS4vIWU9LDI1MDUmZTYsH3BtbmRuYXRlWmhePVJobkJsc2taZ2VEanZuZW1hW0ZcZ2FiZHIfY3hcbm1lPWNzdGkjM1geLV8lLWVkWnJhJFxfZy5oYWFmc3BbWm9ecylib2YjMl1vLR4yYWxiWmslKV9eaG5udG1ecCUpX19adFwkMl9rYlhmKGxlb3RwJjAuKCcvJzErMDgnY3hcH19yblxsaVxsYWReOEZhZ3Zha2NicG1gbCs8bXRiK01YZXJacmAlZmJqZWVaaF49aGBscF9yXFt0bWVuLGFncmkkZlxld1xxZR9iMTQsIWJjam09KiR6YGk4KQ

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