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Free Studio.exe

Apps-manager

FIRSERIA, S.L.

The setup program uses the Firseria/Solimba AppInstaller (DownloadMR) which is a monetization download manager that bundles additional adware offers, typically by wrapping legitimate applications. The application Free Studio.exe by FIRSERIA, S.L has been detected as adware by 27 anti-malware scanners. The program is a setup application that uses the Solimba DownloadMR installer. The installer 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:
Firseria.-.Installer · sl  (signed by FIRSERIA, S.L.)

Product:
Apps-manager

Description:
Installer

Version:
3.1.22.4

MD5:
339964fee09fa743accd70eabc0a2195

SHA-1:
372e58163dd8774a8e207a3a50825eb1fabb1c4f

SHA-256:
7a7f98120105c012f8cdfc9fc32d47b96397269b234db068346b8daee2fc9a19

Scanner detections:
27 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
5/29/2024 8:33:06 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Firseria.M
904

Agnitum Outpost
PUA.Solimba
7.1.1

AhnLab V3 Security
PUP/Win32.Firseria
2014.08.07

Avira AntiVirus
APPL/Firseria.Gen8
7.11.166.78

avast!
Win32:PUP-gen [PUP]
2014.9-140814

AVG
Adware BundleApp_r
2015.0.3382

Baidu Antivirus
Adware.MSIL.Solimba
4.0.3.14814

Bitdefender
Application.Bundler.Firseria.M
1.0.20.1130

Comodo Security
Application.Win32.Firseria.MAP
19134

Dr.Web
Trojan.DownLoader11.24441
9.0.1.0226

Emsisoft Anti-Malware
Application.Bundler.Firseria.M
8.14.08.14.10

ESET NOD32
MSIL/Solimba.AH (variant)
8.10230

F-Secure
Application.Bundler.Firseria
11.2014-14-08_5

G Data
Application.Bundler.Firseria
14.8.24

herdProtect (fuzzy)
variant of file_installer.exe (Adware)
2014.10.31.21

IKARUS anti.virus
PUA.MSIL.Solimba
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.183.12998

Malwarebytes
PUP.Optional.Firseria
v2014.08.14.10

McAfee
Trojan.Artemis!B6B7F772589C
5600.7038

MicroWorld eScan
Application.Bundler.Firseria.M
15.0.0.678

NANO AntiVirus
Trojan.Win32.DownLoader11.ddphbo
0.28.2.61349

Panda Antivirus
Adware/Firseria
14.08.14.10

Reason Heuristics
PUP.Installer.FIRSERIASL.L
14.8.15.15

Sophos
Solimba Installer
4.98

Trend Micro House Call
Suspicious_GEN.F47V0806
7.2.226

Vba32 AntiVirus
Downware.Morstar
3.12.26.3

VIPRE Antivirus
DownloadMR
32078

File size:
572.2 KB (585,920 bytes)

Product version:
3.1.21

Copyright:
copyright © 2014

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

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

Digital Signature
Signed by:
FIRSERIA, S.L.

Authority:
Thawte, Inc.

Valid from:
7/24/2014 5:00:00 PM

Valid to:
7/23/2016 4:59:59 PM

Subject:
CN="FIRSERIA, S.L.", O="FIRSERIA, S.L.", L=Badalona, S=Barcelona, C=ES

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

Serial number:
7658ACC15B33D93ABD5A967181DEF901

File PE Metadata
Compilation timestamp:
8/1/2014 8:25:37 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:VlhYhEh8T2831CdsXdYH+7r0hh9cK4cFxk5yhQuG:Vlh38TdIeUh9cwFxSb

Entry address:
0xDFDC

Entry point:
E8, AC, 6C, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 48, 6E, 42, 00, E8, FE, 15, 00, 00, E8, 7D, 6E, 00, 00, 0F, B7, F0, 6A, 02, E8, 3F, 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, 08, 65, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.7273  (probably packed)

Code size:
114 KB (116,736 bytes)

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

http://dl.sysnetdownload.com/n/3.1.18.1/.../Free Studio.exe

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