opera.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 opera.exe by FIRSERIA, S.L has been detected as adware by 21 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:
40e784b3b2f0b5b831fc3e740e0aa678

SHA-1:
469238470ab4b56446fcf51755d79d0819fca7b9

SHA-256:
480de51d0dbb1774b7222623f23f18d83c5318656a594ada4526817b1914faae

Scanner detections:
21 / 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:
4/24/2024 9:53:34 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.Firseria
14.04.12

Avira AntiVirus
APPL/Firseria.Gen
7.11.143.0

avast!
Win32:Firseria-A [PUP]
2014.9-140412

AVG
AdInstaller.Firseria
2015.0.3506

Comodo Security
TrojWare.Win32.Trojan.Obfuscated.~EN
18092

Dr.Web
Adware.Downware.1433
9.0.1.0102

ESET NOD32
Win32/FirseriaInstaller (variant)
8.9669

F-Prot
W32/Backdoor2.HTEZ
v6.4.7.1.166

IKARUS anti.virus
not-a-virus:Downloader.Win32.Morstar
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.176.11737

Kaspersky
not-a-virus:Downloader.Win32.Morstar
14.0.0.4027

Malwarebytes
PUP.Optional.Firseria
v2014.04.12.01

McAfee
PUP-FFT!40E784B3B2F0
5600.7162

NANO AntiVirus
Trojan.Win32.Morstar.cslwyy
0.28.0.59048

Qihoo 360 Security
Malware.QVM18.Gen
1.0.0.1015

Reason Heuristics
PUP.FIRSERIASL.F
14.8.15.15

Rising Antivirus
PE:PUF.FirseriaInstaller@CV!1.9C54
23.00.65.14410

Sophos
Solimba Installer
4.98

Vba32 AntiVirus
Downware.Morstar
3.12.26.0

VIPRE Antivirus
Trojan.Win32.Generic
28196

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\opera.exe

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
7/24/2013 9:00:00 AM

Valid to:
7/25/2014 8:59:59 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 11:23:15 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:R4HCWau/PlYeuL7ZLFh6Ca6cbL9l2hzB3fJCC6j8+Er6ez4:aiI/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...
 
[+]

Entropy:
7.8738

Packer / compiler:
ASPack v1.08.04

Code size:
101 KB (103,424 bytes)

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