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:
b47e45403d69e6506c16bbb779453de5

SHA-1:
2531622d8ed87d69b908a8738adabab8ff3b40ef

SHA-256:
db8051d5cf3a70895c1bc51146a3972b9d793ee13d03b7b9cd591c9408f39a0f

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/16/2024 1:05:46 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.Contumar (M)
16.4.23.5

File size:
655.1 KB (670,816 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:
5/28/2015 9:37:40 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:C1heIHTECcwLbmMkSxB2Filn+rKibmeeJC5LOFKGE3KoHKWfw0d7x1+ZR9XF:4eIfz3ajKZeeJrmKoHu+l0H9XF

Entry address:
0x10FEC

Entry point:
E8, 7E, 96, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, F0, CB, 42, 00, E8, BE, 57, 00, 00, E8, 2C, 1D, 00, 00, 0F, B7, F0, 6A, 02, E8, 11, 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, BD, 4D, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Code size:
139 KB (142,336 bytes)

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

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