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microsoft excel.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 microsoft excel.exe by FIRSERIA, S.L has been detected as adware by 29 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:
8edd37fd1cd8a9dccd43afe0213dbdaa

SHA-1:
2edfbbfb65cca838fbdb13bf536b15d2e62baa84

SHA-256:
4309aee4ec54bb6938a2ba8c6f8569c9253ad5b0373a9c66d998d1de7b5cf4d1

Scanner detections:
29 / 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:
4/24/2024 3:43:31 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Application.Bundler.Firseria.1
911

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.Firseria
2013.11.30

Avira AntiVirus
APPL/Firseria.Gen
7.11.116.188

AVG
AdInstaller.Firseria
2015.0.3528

Bitdefender
Gen:Application.Bundler.Firseria.1
1.0.20.1095

Clam AntiVirus
Win.Trojan.Firseria
0.98/19073

Comodo Security
TrojWare.Win32.Trojan.Obfuscated.~EN
17358

Dr.Web
Adware.Downware.1433
9.0.1.081

ESET NOD32
Win32/FirseriaInstaller (variant)
8.9114

F-Prot
W32/Backdoor2.HTEZ
v6.4.7.1.166

F-Secure
Adware.Agent.NTS
11.2014-22-03_7

G Data
Adware.Agent.NTS
14.3.22

herdProtect (fuzzy)
variant of setup.exe (Adware)
2014.5.21.4

IKARUS anti.virus
not-a-virus:Downloader.Win32.Morstar
t3scan.2.2.29

K7 AntiVirus
Backdoor
13.175.10814

Kaspersky
not-a-virus:Downloader.Win32.Morstar
14.0.0.4134

Malwarebytes
PUP.Optional.Firseria
v2014.03.22.06

McAfee
Trojan-FDHF!FDA0A9565730
5600.7184

MicroWorld eScan
Gen:Application.Bundler.Firseria.1
15.0.0.657

NANO AntiVirus
Trojan.Win32.Morstar.cslwyy
0.28.0.57029

Qihoo 360 Security
Malware.QVM18.Gen
1.0.0.1015

Quick Heal
TrojanDownloader.Morstar.O3
8.14.14.00

Reason Heuristics
PUP.FIRSERIASL.P
14.8.15.15

Rising Antivirus
PE:PUA.FirseriaInstaller@CV!1.9C54
23.00.65.14320

Sophos
Solimba Installer
4.95

Vba32 AntiVirus
Downloader.Morstar
3.12.24.3

VIPRE Antivirus
Trojan.Win32.Generic
23850

Zillya! Antivirus
Downloader.Morstar.Win32.1
2.0.0.1844

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\microsoft excel.exe

Digital Signature
Signed by:
FIRSERIA, S.L.

Authority:
Thawte, Inc.

Valid from:
7/24/2013 2:00:00 AM

Valid to:
7/25/2014 1:59:59 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 4:23:15 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:u4HCWau/PlYeuL7ZLFh6Ca6cbL9l2hzB3fJCC6j8+Er6ez4:diI/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...
 
[+]

Packer / compiler:
ASPack v1.08.04

Code size:
101 KB (103,424 bytes)

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

http://dl.downc468.com/n/3.0.23.10/.../Microsoft Excel.exe

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