skype.exe

Contumar Empresarial 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 skype.exe by Contumar Empresarial 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:
Contumar Empresarial s.l.  (signed and verified)

MD5:
39c2f0aef719999d7b6e68d6cddde14a

SHA-1:
25b18177bd45fb4369236aa71ceb95873c9fe780

SHA-256:
a867f53a5719f5ed44cff2ccf2aa70e2e037a27f44788204fd89b9483278da2f

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:
5/7/2024 12:55:37 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.Contumar (M)
16.5.5.13

File size:
678.1 KB (694,368 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

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

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
2/2/2015 12:00:38 PM

Valid to:
9/24/2016 12:00:25 PM

Subject:
CN=Contumar Empresarial s.l., O=Contumar Empresarial s.l., L=Barcelona, S=Barcelona, C=ES

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112119FE6AFB4FA7129F4F594CD3E07D5B21

File PE Metadata
Compilation timestamp:
6/18/2015 9:58:05 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:ZyE2QYrOLw9saOiCXcU/OQOCeDHg23sMhEJZT1aRYNg+6e:cE2QYrr6iwcWOQOfLg6sMCDT1a2a+6e

Entry address:
0x118B4

Entry point:
E8, 2F, 96, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, F8, DB, 42, 00, E8, F6, 56, 00, 00, E8, 2C, 1D, 00, 00, 0F, B7, F0, 6A, 02, E8, C2, 95, 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, E9, 4C, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Code size:
141 KB (144,384 bytes)

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

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