wordbrain_game_downloader.exe

Melebumak

File validated

This is the InstallMetrix bundle installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application wordbrain_game_downloader.exe, “Melebumak Setup ” by File validated 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 InstallMetrix Software installer.
Publisher:
Tutopofaf   (signed by File validated)

Product:
Melebumak

Description:
Melebumak Setup

Version:
4.1.1.5

MD5:
b8e60308d7d70008cb73db6ccef39534

SHA-1:
c62a3462f3d5c90cd6b5d457463d0d4c11d457b5

SHA-256:
a3f9769e5f87d04e50565711b036e0eb2f06abee88166b3b9dfb5ebc27e914db

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
1/17/2025 12:45:36 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallMetrix.Filevali.Installer (M)
16.4.19.9

File size:
990.5 KB (1,014,248 bytes)

Product version:
4.8

Copyright:
Lite installer

File type:
Executable application (Win32 EXE)

Bundler/Installer:
InstallMetrix Software (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\wordbrain_game_downloader.exe

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
2/11/2016 3:57:33 AM

Valid to:
2/11/2017 3:57:33 AM

Subject:
CN=File validated, O=File validated, L=San Francisco, S=CA, C=US

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11210B0B336C146B1DEA833B7DA98E456EB9

File PE Metadata
Compilation timestamp:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:tDMmkW8VsRcTpWEm/w33rMsnMqcT4VO6Pd8dkasisd7:tIVBVsclewrDnfVOo8dk6sd

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9070

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

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

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