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calibre.exe

Calibre

Bechiro S.L.

This is the Solimba installer program that will bundle additional offers mostly including adware and various unwanted PC utilities. The application calibre.exe, “Calibre AppInstaller” by Bechiro S.L has been detected as adware by 19 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:
Bechiro S.L.  (signed and verified)

Product:
Calibre

Description:
Calibre AppInstaller

Version:
3.0.17.6

MD5:
e737b28eb47a636c6e7b8282bf3d9cab

SHA-1:
6d9e9f83521ac7288fa3dc7b3edea3b5a68afc08

SHA-256:
9fb1b01df58368bdb20894b69949a875a34c46bf0640cbb8d74bb06bce03e407

Scanner detections:
19 / 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 1:29:47 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Solimba
7.1.1

Avira AntiVirus
APPL/Solimba.Gen
7.11.184.246

AVG
Adware Skodna.Generic.AMG
2014.0.4189

Comodo Security
Application.Win32.Solimba.L
20067

Dr.Web
Adware.Downware.1302
9.0.1.05190

ESET NOD32
MSIL/Solimba potentially unwanted application
7.0.302.0

Fortinet FortiGate
Adware/Solimba
11/12/2014

G Data
MSIL.Application.Solimba
14.11.24

K7 AntiVirus
Unwanted-Program
13.185.13993

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

Malwarebytes
PUP.Optional.Solimba
v2014.11.12.05

NANO AntiVirus
Trojan.Win32.DownLoad3.daevxj
0.28.6.63362

nProtect
Trojan-Clicker/W32.Fiseria.288648
14.11.12.01

Panda Antivirus
Adware/Firseria
14.11.12.05

Reason Heuristics
PUP.Installer.BechiroSL.H
14.11.12.17

Sophos
Solimba Installer
4.98

SUPERAntiSpyware
Adware.Solimba/Variant
10242

Vba32 AntiVirus
Signed-Downware.Morstar.BechiroSL
3.12.26.3

VIPRE Antivirus
Threat.4782980
34232

File size:
281.9 KB (288,648 bytes)

Copyright:
AppInstaller 2013 (132260015)

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:
Bechiro S.L.

Authority:
Thawte, Inc.

Valid from:
6/13/2012 2:00:00 AM

Valid to:
6/14/2014 1:59:59 AM

Subject:
CN=Bechiro S.L., OU=Devel, O=Bechiro S.L., L=Barcelona, S=Barcelona, C=ES

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
738DCAC697C06E1B89D106073773010D

File PE Metadata
Compilation timestamp:
2/19/2012 4:01:49 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
6144:3saocyLCdZMAbevnOzn2W1Y5zM7IMrCkR3SBqEbijU:3tobGRbZn2dMMBquW

Entry address:
0x4327

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 93, 42, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 94, 42, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 94, 42, 00, 56, A3, 40, 7B, 42, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8D, 3B, 00, 00, A3, 9C, 7B, 42, 00, 8D, 85, 84, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 01, B3, 40, 00, FF, 15, AC, 94, 42, 00, 83, EC, 14, C7, 44, 24, 04, 02, B3, 40, 00, C7...
 
[+]

Code size:
34.5 KB (35,328 bytes)

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

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

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to cdn.solimba.com  (95.211.6.35:80)

TCP (HTTP):
Connects to api.downloadmr.com  (95.211.39.161:80)

 
http://api.downloadmr.com/installer/40393908/launch

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