calibre.exe

Investena Concept, 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 by Investena Concept, 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:
Investena Concept, s.l.  (signed and verified)

MD5:
528d3743718ebf35da8fe81d65ee261c

SHA-1:
7931196174c949dcf109c82e63d036583ee5368e

SHA-256:
387d120005a13083621b52f958c64831387f72b88c2e13dd96cca443315347de

Scanner detections:
1 / 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:
12/26/2024 3:33:21 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.Investen (M)
16.6.27.4

File size:
623.7 KB (638,680 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\calibre.exe

Digital Signature
Authority:
Thawte, Inc.

Valid from:
12/16/2014 9:00:00 PM

Valid to:
12/16/2016 8:59:59 PM

Subject:
CN="Investena Concept, s.l.", O="Investena Concept, s.l.", L=Badalona, S=Barcelona, C=ES

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

Serial number:
40AA34E55B1BC6EE54598A0C83C81304

File PE Metadata
Compilation timestamp:
5/21/2015 7:14:13 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:yNaHMXT53crANFCpVrUDpygeknEdACIwzTw0rq0et5hGYV1QD4:dHMelrU1nEjIerq0e8YV+0

Entry address:
0x10F4C

Entry point:
E8, 85, 96, 00, 00, E9, 03, 00, 00, 00, CC, CC, CC, 6A, 14, 68, 80, CC, 42, 00, E8, AB, 57, 00, 00, E8, 2C, 1D, 00, 00, 0F, B7, F0, 6A, 02, E8, 15, 96, 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, A3, 4D, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00...
 
[+]

Entropy:
7.6797

Code size:
139 KB (142,336 bytes)

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

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