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:
b21f8708f280fd3a192c34dfb3f75280

SHA-1:
32022da5193d9ccac6dd9cfdd9cee73e9cc6f181

SHA-256:
a1805247ae36f8ad3d1cf8f3e41ba74449438b74f389f300f8f13ce7849a0652

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:
5/1/2024 7:54:04 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.Contumar (M)
16.3.14.6

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+6W:cE2QYrr6iwcWOQOfLg6sMCDT1a2a+6W

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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