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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:
bbf1cb79500938549cdf9cb91c366510

SHA-1:
4e952c744de9edeacaaaa8d040ce90026c606009

SHA-256:
b57b43602116e2d68987550c0f0d0e972854464e771f6a2676f9a247fdd1482a

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:
12/26/2024 12:28:22 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+m2ON7GeAPY7Ji:xXSQHHlmOQFekHSQlRvT+mtNEUi

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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