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file_downloader.exe

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 file_downloader.exe by FIRSERIA, S.L has been detected as adware by 30 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·s·l·  (signed by FIRSERIA, S.L.)

Version:
1.0.0.15

MD5:
efd5d14c467d23a852f69064ea607019

SHA-1:
e085f7a4e15c358fe28994534c6cd888fba01a5d

SHA-256:
e8e66d5bff6f827706d8b8fe4a01f2f82f2d5f02ce16f11848936f3635fe5ae2

Scanner detections:
30 / 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:
5/7/2024 12:42:56 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Application.Bundler.Firseria.1
908

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.Firseria
2013.11.30

Avira AntiVirus
APPL/Firseria.Gen
7.11.116.188

avast!
Win32:Firseria-A [PUP]
140617-1

AVG
AdInstaller.Firseria
2015.0.3386

Bitdefender
Gen:Application.Bundler.Firseria.1
1.0.20.1110

Clam AntiVirus
Win.Trojan.Firseria
0.98/19265

Comodo Security
TrojWare.Win32.Trojan.Obfuscated.~EN
17358

Dr.Web
Adware.Downware.1433
9.0.1.0222

ESET NOD32
Win32/FirseriaInstaller (variant)
8.9114

F-Prot
W32/Backdoor2.HTEZ
v6.4.7.1.166

F-Secure
Gen:Application.Bundler.Firseria
11.2014-10-08_1

G Data
Gen:Application.Bundler.Firseria
14.8.24

herdProtect (fuzzy)
variant of dvd shrink.exe (Adware)
2014.10.14.17

IKARUS anti.virus
Trojan.Patched
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.1712333

Kaspersky
not-a-virus:Downloader.Win32.Morstar
14.0.0.3426

Malwarebytes
PUP.Optional.Firseria
v2014.08.10.05

McAfee
Trojan-FDHF!FDA0A9565730
5600.7042

MicroWorld eScan
Gen:Application.Bundler.Firseria.1
15.0.0.666

NANO AntiVirus
Trojan.Win32.Morstar.cslwyy
0.28.0.60100

Panda Antivirus
Adware/Firseria
14.08.10.06

Qihoo 360 Security
Malware.QVM18.Gen
1.0.0.1015

Quick Heal
TrojanDownloader.Morstar.O3
8.14.14.00

Reason Heuristics
PUP.FIRSERIASL.P
14.8.15.15

Rising Antivirus
PE:PUA.FirseriaInstaller@CV!1.9C54
23.00.65.14808

Sophos
Solimba Installer
4.95

Vba32 AntiVirus
Downware.Morstar
3.12.26.0

VIPRE Antivirus
Trojan.Win32.Generic
23850

File size:
165.3 KB (169,272 bytes)

Product version:
1.0.0.15

Copyright:
Copyright(c) 2013

Original file name:
installer·exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

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

Digital Signature
Signed by:
FIRSERIA, S.L.

Authority:
Thawte, Inc.

Valid from:
7/24/2013 2:00:00 AM

Valid to:
7/25/2014 1:59:59 AM

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

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

Serial number:
73C4780FAC0CD497B0778732FB8AF673

File PE Metadata
Compilation timestamp:
10/14/2013 4:23:15 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:94HCWau/PlYeuL7ZLFh6Ca6cbL9l2hzB3fJCC6j8+Er6ez4:eiI/PlY37ZLF4Ca6WABqBOvs

Entry address:
0x76117

Entry point:
60, E8, 00, 00, 00, 00, 58, 05, 5A, 0B, 00, 00, 8B, 30, 03, F0, 2B, C0, 8B, FE, 66, AD, C1, E0, 0C, 8B, C8, 50, AD, 2B, C8, 03, F1, 8B, C8, 57, 51, 49, 8A, 44, 39, 06, 88, 04, 31, 75, F6, 2B, C0, AC, 8B, C8, 80, E1, F0, 24, 0F, C1, E1, 0C, 8A, E8, AC, 0B, C8, 51, 02, CD, BD, 00, FD, FF, FF, D3, E5, 59, 58, 8B, DC, 8D, A4, 6C, 90, F1, FF, FF, 51, 2B, C9, 51, 51, 8B, CC, 51, 66, 8B, 17, C1, E2, 0C, 52, 57, 83, C1, 04, 51, 50, 83, C1, 04, 56, 51, E8, 5E, 00, 00, 00, 8B, E3, 5E, 5A, 2B, C0, 89, 04, 32, B4, 10...
 
[+]

Packer / compiler:
ASPack v1.08.04

Code size:
101 KB (103,424 bytes)

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