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setup.exe

MAXTEK LLC

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application setup.exe by MAXTEK 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 5ygac27nzqd382t.cuhoivno.ru.
Publisher:
MAXTEK LLC  (signed and verified)

Version:
1.0.0.0

MD5:
86fb2447d0cff40d768285ed751a5b6b

SHA-1:
4085239b8f10ebf3e5e6f38048a5e618def75554

SHA-256:
385367e37d76e40afc6a2b115157e18798a4943feaa91669c6796f7a03d8fed7

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:
12/26/2024 12:41:33 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.MAXTEK.Bundler (M)
16.3.24.18

File size:
3.1 MB (3,218,856 bytes)

Product version:
1.0.0.0

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou

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

Digital Signature
Signed by:
MAXTEK LLC

Authority:
thawte, Inc.

Valid from:
12/29/2014 2:00:00 AM

Valid to:
12/30/2015 1:59:59 AM

Subject:
CN=MAXTEK LLC, O=MAXTEK LLC, L=Kharkiv, S=New Brunswick, C=UA

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

Serial number:
5E330605B7CB3B14509516AEA2289E49

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
49152:xXl1+QdI1GHNbmOQp7tQkq0qZ9USQb5ROo2Wx+m2ON7GeAPY7J/:xXSQHHlmOQFekHSQlRvT+mtNEU/

Entry address:
0x117CD70

Entry point:
60, BE, 00, 80, 33, 01, 8D, BE, 00, 90, 0C, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Packer / compiler:
UPX 2.90LZMA

Code size:
2.3 MB (2,383,872 bytes)

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

http://5ygac27nzqd382t.cuhoivno.ru/Z2Z2ZmlpaHdqeGljdXdzem5ydnhwa2tyeWhvbmRleHFqa2d7InZlciI6IjEiLCJzaWQiOiI4NTUiLCJ1cmwiOiJodHRwOlwvXC90b3JyZW50b2ZmLnJ1XC9zZXR1cFwvU2V0dXAuemlwIiwibmFtZSI6IlNldHVwLmV4ZSIsInR5cGUiOiJkaXNrIiwic2l6ZSI6MTI1ODI5MTJ9

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