free youtube mp3 converter.exe

Contumar Empresarial

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 free youtube mp3 converter.exe by Contumar Empresarial has been detected as adware by 28 anti-malware scanners. 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. The file has been seen being downloaded from get.rockfaster.com and multiple other hosts.
Publisher:
Contumar Empresarial  (signed and verified)

MD5:
b9bb006a746318b7247db2f499acc200

SHA-1:
580b5b36f04344349e2cebd34ef7cbd719483003

SHA-256:
0aae2e0e2786ae77a338eeda5296e934098685f5bb2e69a4516f0e45c503278c

Scanner detections:
28 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

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:
1/13/2025 12:30:51 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Morstar.G
6470710

AhnLab V3 Security
PUP/Win32.Morstar
2014.12.25

Avira AntiVirus
APPL/Firseria.Gen
7.11.195.56

AVG
Generic
2016.0.3215

Baidu Antivirus
Adware.Win32.Solimba
4.0.3.15129

Bitdefender
Application.Bundler.Morstar.G
1.0.20.145

Clam AntiVirus
Win.Trojan.Morstar-34
0.98/19992

Comodo Security
Application.Win32.Firseria.GH
20461

Dr.Web
Trojan.DownLoader11.64099
9.0.1.05190

Emsisoft Anti-Malware
Application.Bundler.Morstar
9.0.0.4799

ESET NOD32
MSIL/Solimba.AK.gen potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/Morstars
1/29/2015

F-Prot
W32/S-2d9c4e26
v6.4.7.1.166

F-Secure
Riskware.Application.Bundler.Morstar
5.13.68

G Data
Win32.Application.Morstar
15.1.24

IKARUS anti.virus
AdWare.BundleApp
t3scan.1.8.5.0

K7 AntiVirus
Unwanted-Program
13.188.14380

McAfee
Trojan.Artemis!38EA14FFA08C
5600.6871

MicroWorld eScan
Application.Bundler.Morstar.G
16.0.0.87

NANO AntiVirus
Trojan.Win32.Morstar.djtcxn
0.28.6.63850

Norman
Application.Bundler.Morstar.G
11.20150129

Panda Antivirus
Trj/Genetic.gen
15.01.29.05

Quick Heal
Adware.Firseria.A5
1.15.14.00

Reason Heuristics
PUP.Solimba
15.1.29.5

Sophos
PUA 'Solimba Installer'
5.09

Vba32 AntiVirus
Downware.Morstar
3.12.26.3

VIPRE Antivirus
Threat.4758821
35418

Zillya! Antivirus
Backdoor.PePatch.Win32.55194
2.0.0.2015

File size:
583.2 KB (597,216 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Common path:
C:\users\{user}\downloads\free youtube mp3 converter.exe

Digital Signature
Authority:
Thawte, Inc.

Valid from:
9/23/2014 7:00:00 PM

Valid to:
9/23/2016 6:59:59 PM

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

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
2948ACD2126C11B674661E79E57D288D

File PE Metadata
Compilation timestamp:
12/11/2014 9:21:24 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:y7Pnn9N6iJTSk2Il4QxhTbrKnxTXDyOi6k/XAp3CDctIN1pbGI4:y7v9xJTh2IS0PruVi6k/bDcQKI4

Entry address:
0xD44C

Entry point:
E8, AF, 6C, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, E0, 5F, 42, 00, E8, FE, 15, 00, 00, E8, 80, 6E, 00, 00, 0F, B7, F0, 6A, 02, E8, 42, 6C, 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, 0B, 65, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.7342  (probably packed)

Code size:
111 KB (113,664 bytes)

The file free youtube mp3 converter.exe has been seen being distributed by the following 3 URLs.

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