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calibre.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 calibre.exe by FIRSERIA, S.L has been detected as adware by 28 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:
fbd53575c0c3636b035df10053e65c43

SHA-1:
c98a5248c6c1f2dd246ada533f28e2363897d387

SHA-256:
0385f309537b48f5d19322654bda1743e3189855650245c9dbfb75ba9a05f3f9

Scanner detections:
28 / 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:
4/25/2024 2:43:38 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Application.Bundler.Firseria.1
994

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.Firseria
14.05.16

Avira AntiVirus
TR/Crypt.XPACK.Gen
7.11.30.172

avast!
Win32:Firseria-A [PUP]
140516-1

AVG
AdInstaller.Firseria
2014.0.3950

Bitdefender
Gen:Application.Bundler.Firseria.1
1.0.20.680

Comodo Security
TrojWare.Win32.Trojan.Obfuscated.~EN
18285

Dr.Web
Adware.Downware.1433
9.0.1.0136

ESET NOD32
Win32/FirseriaInstaller (variant)
8.9810

F-Prot
W32/Backdoor2.HTEZ
4.6.5.141

F-Secure
Gen:Application.Bundler.Firseria
11.2014-16-05_6

G Data
Gen:Application.Bundler.Firseria
14.5.24

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

K7 AntiVirus
Unwanted-Program
13.177.12109

Kaspersky
not-a-virus:Downloader.Win32.Morstar
14.0.0.3856

Malwarebytes
PUP.Optional.Firseria
v2014.05.16.06

McAfee
PUP-FFT!FBD53575C0C3
5600.7128

MicroWorld eScan
Gen:Application.Bundler.Firseria.1
15.0.0.408

NANO AntiVirus
Trojan.Win32.Morstar.cslwyy
0.28.0.59911

Qihoo 360 Security
Malware.QVM18.Gen
1.0.0.1015

Quick Heal
TrojanDownloader.Morstar.O3
5.14.14.00

Reason Heuristics
PUP.FIRSERIASL.H
14.8.15.15

Rising Antivirus
PE:PUF.FirseriaInstaller@CV!1.9C54
23.00.65.14514

Sophos
Solimba Installer
4.98

Vba32 AntiVirus
Downware.Morstar
3.12.26.0

VIPRE Antivirus
Trojan.Win32.Generic
29280

Zillya! Antivirus
Downloader.Morstar.Win32.1
2.0.0.1790

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

Language:
Language Neutral

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

Digital Signature
Signed by:
FIRSERIA, S.L.

Authority:
Thawte, Inc.

Valid from:
7/23/2013 8:00:00 PM

Valid to:
7/24/2014 7:59:59 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:
10/14/2013 10:23:15 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:G4HCWau/PlYeuL7ZLFh6Ca6cbL9l2hzB3fJCC6j8+Er6ez4:liI/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 calibre.exe has been seen being distributed by the following URL.

http://www.pc-file.net/calibre/download/.../498

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