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file_downloader.exe

Firseria

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 has been detected as adware by 18 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:
Installation helper  (signed by Firseria)

Product:
Installation helper

Version:
3.1.13.33

MD5:
cf2ab1a73a241befa0dc09dea46c5e7a

SHA-1:
c111e00f8f06e8363cdd2bad8dfae7a5d638eed5

SHA-256:
9e12da2e1fa7cbfdf3e017a480bc61afe8e6c8598aadd978019075281effdbc3

Scanner detections:
18 / 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:
4/25/2024 7:11:32 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.Firseria.7
936

Avira AntiVirus
TR/Crypt.XPACK.Gen
7.11.30.172

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

AVG
Adware BundleApp.FW
2014.0.3986

Bitdefender
Gen:Variant.Application.Bundler.Firseria.7
1.0.20.970

Dr.Web
Trojan.MulDrop5.34145
9.0.1.05190

ESET NOD32
Win32/FirseriaInstaller.M potentially unwanted application
7.0.302.0

F-Secure
Gen:Variant.Application.Bundler
11.2014-13-07_1

G Data
Gen:Variant.Application.Bundler.Firseria
14.7.24

IKARUS anti.virus
PUA.Solimba
t3scan.1.6.1.0

Kaspersky
not-a-virus:AdWare.Win32.Fiseria
15.0.0.494

Malwarebytes
PUP.Optional.Solimba
v2014.07.13.03

MicroWorld eScan
Gen:Variant.Application.Bundler.Firseria.7
15.0.0.582

Reason Heuristics
PUP.Firseria.P
14.8.7.17

Rising Antivirus
PE:Malware.XPACK-HIE/Heur!1.9C48
23.00.65.14711

Sophos
Solimba Installer
4.98

Vba32 AntiVirus
Downware.Morstar
3.12.26.3

VIPRE Antivirus
Threat.4782980
31208

File size:
404.4 KB (414,112 bytes)

Product version:
3.1.19

Copyright:
© 2014

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

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

Digital Signature
Signed by:
Firseria

Authority:
GlobalSign nv-sa

Valid from:
11/11/2013 4:34:44 PM

Valid to:
11/12/2014 4:34:44 PM

Subject:
E=support@solimba.com, CN=Firseria, O=Firseria, L=Badalona, S=Barcelona, C=ES

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

Serial number:
112130C3B28D7C9C29B8B07321EF3F8A1462

File PE Metadata
Compilation timestamp:
7/11/2014 11:35:45 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:XgffF5hZ2v2hiPO8WI4iU83wGqMgvOc5X6:XgXRzb8WIK838735X6

Entry address:
0x820A4

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:
121 KB (123,904 bytes)

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

http://sumotorrent.eu/.../

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