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by_koukyjo.exe

SystemNode

Maxiget Limited

This is part of a bundled installer which provides applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application by_koukyjo.exe by Maxiget Limited has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from mxc.files-download-61.com.
Publisher:
SwapSystem  (signed by Maxiget Limited)

Product:
SystemNode

Description:
SystemComponent

Version:
4, 0, 22, 0

MD5:
d5acbd49621840e00149bfb36de4f1f0

SHA-1:
8ee7eef20f355744ae902885544186c9ab72a22a

SHA-256:
85d7177f679fc2cf07c9452f5b55b600a566dd1c39320a7728e736e959ff1081

Scanner detections:
1 / 68

Status:
Adware

Explanation:
This is a modified installer version of the software and bundles additional offers including adware.

Analysis date:
12/26/2024 11:58:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.New IT Limited (M)
16.8.7.17

File size:
45.6 KB (46,696 bytes)

Product version:
4, 0, 22, 0

Copyright:
2014

Trademarks:
SmallTrade Inc.

Original file name:
0008.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

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

Digital Signature
Signed by:
Maxiget Limited

Authority:
COMODO CA Limited

Valid from:
10/29/2014 2:00:00 AM

Valid to:
10/29/2017 1:59:59 AM

Subject:
CN=Maxiget Limited, O=Maxiget Limited, STREET="Arch. Makariou III, 135", STREET="Emelle Building, 4th floor", L=Limassol, S=Limassol, PostalCode=3021, C=CY

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

Serial number:
5A63BFB3599E232747C6F48FADAD6B60

File PE Metadata
Compilation timestamp:
11/4/2014 7:03:33 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
384:kJmdSMl3KUPpmyycBFKDU30l5hUl97AItmyyqAV10gOCooqDG8S8luOVNj8riUQ4:k6DNl9+hUbKayjJ8IOVurif/AE07

Entry address:
0x2BFC

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 8D, 45, F0, 50, C7, 45, F0, 08, 00, 00, 00, C7, 45, F4, 20, 00, 00, 00, FF, 15, 00, 30, 40, 00, 68, 28, 0A, 00, 00, BE, 48, 2C, BA, 00, 56, 33, DB, 53, FF, 15, A0, 30, 40, 00, 53, 68, 80, 00, 00, 00, 6A, 03, 53, 6A, 01, 68, 00, 00, 00, 80, 56, FF, 15, 98, 30, 40, 00, 8B, F0, 83, FE, FF, 0F, 84, C1, 00, 00, 00, 56, E8, 30, E9, FF, FF, 59, 56, 88, 45, FF, FF, 15, 9C, 30, 40, 00, 38, 5D, FF, 0F, 84, A7, 00, 00, 00, 66, 39, 1D, C8, 90, 40, 00, 74, 0A, BE, C8, 90, 40, 00, E8, F2...
 
[+]

Entropy:
6.1840

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

https://mxc.files-download-61.com/.../by_koukyjo.exe

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