installer.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 installer.exe, “Installer Application” by FIRSERIA, S.L has been detected as adware by 7 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  (signed by FIRSERIA, S.L.)

Description:
Installer Application

Version:
1, 0, 0, 1

MD5:
fa29aaa3923acc28022ebaaa113511eb

SHA-1:
0504988bbabc51ff33eb8b83f732e8a4aeefab6f

SHA-256:
c2f77f58d24f70c84fe3a297089e95bbc041fb1c3c6591db1ed70da4c86080fb

Scanner detections:
7 / 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:
4/19/2024 1:43:33 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
TR/Dropper.Gen
7.11.98.18

avast!
MSIL:Crypt-KA [PUP]
2014.9-131126

Boost by Reason
Optional.FIRSERIASL.J
188838

ESET NOD32
MSIL/Solimba.AB
7.8724

Malwarebytes
PUP.Optional.Solimba.mr
v2013.11.26.02

Reason Heuristics
PUP.Installer.FIRSERIASL.J
14.8.15.15

VIPRE Antivirus
DownloadMR
20856

File size:
193.3 KB (197,944 bytes)

Product version:
1, 0, 0, 1

Copyright:
Copyright (C) 2013

Original file name:
installer.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
7/23/2013 5:00:00 PM

Valid to:
7/24/2014 4:59:59 PM

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:
8/20/2013 3:54:32 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
3072:rBoVZJ+5RlPM3rdS0v9QFJtbP1QGNJH7H8+yvX/q0ANX1W1GzIP:d2KM7dlv9Qx73H78pvvjSk0I

Entry address:
0x74E80

Entry point:
60, BE, 00, B0, 44, 00, 8D, BE, 00, 60, FB, FF, 57, EB, 0B, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89, C5, EB, 0B, 01, DB, 75, 07, 8B...
 
[+]

Entropy:
7.7970

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.24

Code size:
172 KB (176,128 bytes)

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

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