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avast.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 avast.exe by FIRSERIA, S.L has been detected as adware by 25 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. The installer is marketed through download protals and search ads as the free AVAST Antivirus but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Firseria  (signed by FIRSERIA, S.L.)

Description:
installer

Version:
1.0.0.7

MD5:
bf82972bac05b500f2ff8ad8c41d2b37

SHA-1:
640547eaa8c839c261a333d919fbc9f7a08105cd

SHA-256:
724ec1592caada1dc8b0f8ea3b07e19c3d39b185547b233e60b11f4c3e4e6c40

Scanner detections:
25 / 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:
4/23/2024 8:21:22 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Application.Bundler.Firseria.1
808

Agnitum Outpost
PUA.Firseria
7.1.1

AhnLab V3 Security
PUP/Win32.FirseriaInstaller
2014.11.19

Avira AntiVirus
Adware/Fiseria.A
7.11.187.66

avast!
Win32:Firseria-A [PUP]
141025-0

AVG
Adware AdInstaller.Firseria
2014.0.4189

Bitdefender
Gen:Application.Bundler.Firseria.1
1.0.20.1615

Comodo Security
TrojWare.Win32.Trojan.Obfuscated.~EN
20128

Dr.Web
Adware.Downware.1433
9.0.1.05190

Emsisoft Anti-Malware
Gen:Application.Bundler.Firseria
14.11.19

ESET NOD32
Win32/FirseriaInstaller.C potentially unwanted application
7.0.302.0

F-Secure
Gen:Application.Bundler.Firseria
11.2014-19-11_4

G Data
Gen:Application.Bundler.Firseria
14.11.24

IKARUS anti.virus
not-a-virus:Downloader.Win32.Morstar
t3scan.1.8.3.0

K7 AntiVirus
Unwanted-Program
13.185.14057

Kaspersky
not-a-virus:Downloader.Win32.Firser
15.0.0.494

Malwarebytes
PUP.Optional.Firseria
v2014.11.19.02

MicroWorld eScan
Gen:Application.Bundler.Firseria.1
15.0.0.969

Panda Antivirus
Adware/Firseria
14.11.19.02

Reason Heuristics
PUP.Installer.FIRSERIASL.F
14.11.19.2

Rising Antivirus
PE:PUF.FirseriaInstaller@CV!1.5C42
23.00.65.141117

Sophos
Solimba Installer
4.98

Vba32 AntiVirus
Downware.Morstar
3.12.26.3

VIPRE Antivirus
Threat.4895151
34232

Zillya! Antivirus
Downloader.Firser.Win32.13
2.0.0.1985

File size:
163.8 KB (167,736 bytes)

Product version:
1.0.0.7

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\avast.exe

Digital Signature
Signed by:
FIRSERIA, S.L.

Authority:
Thawte, Inc.

Valid from:
7/23/2013 9:00:00 PM

Valid to:
7/24/2014 8:59:59 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:
9/23/2013 9:32:03 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:hnRNahhvNUv6p4vJnm9J16aE2Fr/AwEuxR1BvWcBwkNWDaP2BJfVu5QVF+wttqdv:hnWSCp4hnMJ162FrYurP+jkNW+P2BJwx

Entry address:
0x6D117

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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