roblox.exe

Contumar Empresarial s.l.

This belongs to a Solimba product that may be bundled with additional PUPs or may be part of an ad-supported software program. The application roblox.exe by Contumar Empresarial s.l 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 Solimba DownloadMR installer. It uses the Solimba download manager to push adware offers during the download and setup process. Bundled adware includes search and shopping web browser toolbars.
Publisher:
Contumar Empresarial s.l.  (signed and verified)

MD5:
ac5f07b8e76953186666a08132a30806

SHA-1:
1893f82584a666bb081883859d9aa2ec49f6985c

SHA-256:
90035bbd1c759fc9761d29302a179676a1f8a034f00dc5990d5c69c14204ebaf

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

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:
6/21/2025 9:02:26 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.Contumar (M)
16.6.4.21

File size:
655.1 KB (670,816 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

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

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
2/2/2015 8:00:38 AM

Valid to:
9/24/2016 10:00:25 AM

Subject:
CN=Contumar Empresarial s.l., O=Contumar Empresarial s.l., L=Barcelona, S=Barcelona, C=ES

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

Serial number:
112119FE6AFB4FA7129F4F594CD3E07D5B21

File PE Metadata
Compilation timestamp:
5/28/2015 7:37:40 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:C1heIHTECcwLbmMkSxB2Filn+rKibmeeJC5LOFKGE3KoHKWfw0d7x1+ZR9Xq:4eIfz3ajKZeeJrmKoHu+l0H9Xq

Entry address:
0x10FEC

Entry point:
E8, 7E, 96, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, F0, CB, 42, 00, E8, BE, 57, 00, 00, E8, 2C, 1D, 00, 00, 0F, B7, F0, 6A, 02, E8, 11, 96, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, BD, 4D, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.4720

Code size:
139 KB (142,336 bytes)

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

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