skype_dsetup.exe

Skype

Apps Installer S.L.

This is the Solimba installer program that will bundle additional offers mostly including adware and various unwanted PC utilities. The application skype_dsetup.exe by Apps Installer 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. The installer 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:
Apps Installer S.L.  (signed and verified)

Product:
Skype

Description:
Skype installer

Version:
1.0.6.0

MD5:
207465cbc16c83344f9c0760a5ed8732

SHA-1:
cbb434ce02f8a573c721e14633ac11e509db7dba

SHA-256:
3b3d43a2542df2e7919a9e1c88cd811ffb8ebad488a8db110644fae1015bf808

Scanner detections:
1 / 68

Status:
Adware

Explanation:
This is a wrapped installation of legitimate software (without persmission of the developer) and bundles adware such as toolbars and extensions.

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:
4/18/2024 4:08:00 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.AppsInstaller.Installer (M)
16.2.16.12

File size:
429 KB (439,248 bytes)

Copyright:
AppInstaller 2013 (132481334)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

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

Digital Signature
Authority:
Thawte, Inc.

Valid from:
2/19/2013 7:00:00 AM

Valid to:
2/20/2015 6:59:59 AM

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

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

Serial number:
323F44D66AEF890F43C32CFD743A4AD0

File PE Metadata
Compilation timestamp:
2/19/2012 10:01:49 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
12288:/tobM0oG40wmGyIcgw4FAc7lEvxTEdn5F/LL+Aif:/tZ0oG4DNySw4SOINAif

Entry address:
0x4327

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 93, 42, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 94, 42, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 94, 42, 00, 56, A3, 40, 7B, 42, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8D, 3B, 00, 00, A3, 9C, 7B, 42, 00, 8D, 85, 84, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 01, B3, 40, 00, FF, 15, AC, 94, 42, 00, 83, EC, 14, C7, 44, 24, 04, 02, B3, 40, 00, C7...
 
[+]

Entropy:
7.8793  (probably packed)

Code size:
34.5 KB (35,328 bytes)

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

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/212366832/launch

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