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:
1.0.5.0

MD5:
597909bd731f043ff1e83fe5e2e6927a

SHA-1:
3bc3e0fde389c28b73c485b9b207acb8094d3579

SHA-256:
6dfcf40839d71a2b28cfb6d10c3a6d08d113d1bee6fe7b3ce67f52ecc7a35410

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 '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:
1/24/2020 1:57:32 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba (M)
17.3.15.13

File size:
428.2 KB (438,488 bytes)

Copyright:
AppInstaller 2013 (132220126)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\programs\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

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:
7.8755  (probably packed)

Code size:
34.5 KB (35,328 bytes)

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/1900816935/launch

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