koxmwz.exe

Xenon Play Center

This adware is a web browser extension that will inject advertising in the browser in the form of unwanted banners and text-links which may link to malware sites and install unwanted software. The application koxmwz.exe by Xenon Play Center 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 Nullsoft Install System installer. It is also typically executed from the user's temporary directory. It is part of the Brightcircle group of web-extensions that inject advertisements in the browser.
Publisher:
${randomstring1} LTD  (signed by Xenon Play Center)

Description:
${randomstring4}

Version:
1.35.9.29

MD5:
f0fcf948f27e24555ef2bd7378591067

SHA-1:
c07138ad5d85aba747432f6fd540edff33742dd7

SHA-256:
8a19d50a8ca14b7f362fea4910b1a7b270b7bbf674e218575c6012308edfcd46

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.

Analysis date:
11/27/2024 12:27:48 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Brightcircle (M)
16.10.16.17

File size:
12.7 MB (13,326,248 bytes)

Copyright:
Copyright ${randomstring3}

Trademarks:
${randomstring2} is a trademark of ${randomstring6}

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\koxmwz.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
10/20/2014 2:00:00 AM

Valid to:
10/21/2015 1:59:59 AM

Subject:
CN=Xenon Play Center, O=Xenon Play Center, STREET=Athinodorou 3, STREET=Dasoupoli Strovolos, L=Nicosia, S=Cyprus, PostalCode=2025, C=CY

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
69BADB8E273451C7DEA87ADDB50705F2

File PE Metadata
Compilation timestamp:
12/4/2012 2:55:02 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
393216:d5g8qeEeoufHzuxNbPrnnCzAk/8kGdSqDIs:d58sfCxNyz95G8C

Entry address:
0x4323

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, C3, 44, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, C4, 44, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, C4, 44, 00, 56, A3, 40, 3B, 44, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8D, 3B, 00, 00, A3, 9C, 3B, 44, 00, 8D, 85, 84, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 01, B3, 40, 00, FF, 15, AC, C4, 44, 00, 83, EC, 14, C7, 44, 24, 04, 02, B3, 40, 00, C7...
 
[+]

Code size:
34.5 KB (35,328 bytes)

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