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, “Application Installer” by Firseria has been detected as adware by 12 anti-malware scanners. The program is a setup application that uses the Solimba DownloadMR installer. During install, it bundles potentially unwanted software on a user's computer at the same time without adequate consent.
Publisher:
Appsinstaller  (signed by Firseria)

Description:
Application Installer

Version:
3.1.4

MD5:
af17cc60e7a3de897bc234e37604974a

SHA-1:
77bf8b046fba0e2858db9a1cec7fc93dddcf1733

SHA-256:
cc3408c908d19aee135430ca75a4f787cd6d5e8aefe490ce9673952153fb3c76

Scanner detections:
12 / 68

Status:
Adware

Explanation:
May bundle additional potentially unwanted software such as adware during setup.

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:
4/25/2024 6:24:00 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Firseria
7.1.1

Avira AntiVirus
APPL/Firseria.A.1
7.11.140.16

AVG
BundleApp
2015.0.3494

ESET NOD32
Win32/FirseriaInstaller (variant)
8.9611

G Data
Win32.Application.Morstar
14.4.24

herdProtect (fuzzy)
2014.4.25.2

Malwarebytes
PUP.Optional.BundleInstaller
v2014.04.25.02

Panda Antivirus
Trj/Genetic.gen
14.04.25.02

Reason Heuristics
PUP.Installer.Firseria.P
14.8.7.17

Sophos
Solimba Installer
4.98

Vba32 AntiVirus
Downware.Morstar
3.12.24.3

VIPRE Antivirus
DownloadMR
27828

File size:
293.7 KB (300,776 bytes)

Product version:
3.1.1

Copyright:
Copyright © 2014

Original file name:
installer.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
11/11/2013 7:34:44 AM

Valid to:
11/12/2014 7:34:44 AM

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:
3/10/2014 4:54:19 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:mDUKgm4Wiw6pbnyhJZ1uQtv3NxjMjtG6ZLlYZz:mgK7ow6pbnyzlv3NuLZLlYZz

Entry address:
0xE4C9

Entry point:
E8, CD, 79, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 80, E4, 41, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 30, E1, 41, 00, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, 60, 54, 42, 00, 74, 13, 41, 83, F9, 2D, 72, F1, 8D, 48, ED, 83, F9, 11, 77, 0E, 6A, 0D, 58, 5D, C3, 8B, 04, CD, 64...
 
[+]

Entropy:
7.2626

Code size:
115 KB (117,760 bytes)

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

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