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calibre.exe

LV-II fungor

Bechiro S.L.

This belongs to a Solimba product that may be bundled with additional PUPs or may be part of an ad-supported software program. The application calibre.exe, “aufero detego tracto” by Bechiro S.L has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Solimba DownloadMR installer. It 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:
infidus vilitas facio  (signed by Bechiro S.L.)

Product:
LV-II fungor

Description:
aufero detego tracto

Version:
95.59.75.72

MD5:
3a82885db402503a210d8313a3b58f6b

SHA-1:
4f653d573f4de3a04cf7b74e8fcb3446971facc4

SHA-256:
1701cf9e569e80c0e3bcd1e627ff18ae9bf3eb234a45cc8951eb2bc8ceb2d1b6

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/26/2024 5:09:50 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.Bechiro (M)
16.2.23.11

File size:
537.7 KB (550,592 bytes)

Product version:
52.82.34.83

Copyright:
Copyright ferme

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:
7/25/2014 2:00:00 AM

Valid to:
7/25/2016 1:59:59 AM

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

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

Serial number:
0DE376129471B42CE6BCA90326047A34

File PE Metadata
Compilation timestamp:
10/27/2014 2:24:21 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:KxBt8xZr6zDTMJECEvL+JTDZ3oIjFZ77UARmM7B36:Kx0sDTRJjkF3oIjHnUAZ56

Entry address:
0xDE2C

Entry point:
E8, A3, 6C, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 58, 70, 42, 00, E8, FE, 15, 00, 00, E8, 74, 6E, 00, 00, 0F, B7, F0, 6A, 02, E8, 36, 6C, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, FF, 64, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Code size:
113.5 KB (116,224 bytes)

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

http://www.win-install.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/235457595/launch

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