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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:
1.0.8.0

MD5:
3912347b8f4d9f7dc589f729e9efb65d

SHA-1:
4bb4aa458ffe6463713a22cd83a4c07626d4cf74

SHA-256:
e23a9c3ee54fd964be207f1c8ab6eedb97f50b833d8609bebe8d9b2218d593ee

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:
11/27/2024 4:42:06 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.AppsInst.Bundler (M)
16.6.9.12

File size:
413.5 KB (423,448 bytes)

Copyright:
AppInstaller 2013 (133290233)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

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

Digital Signature
Signed by:
Apps Installer S.L.

Authority:
Thawte, Inc.

Valid from:
2/18/2013 4:00:00 PM

Valid to:
2/19/2015 3:59:59 PM

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 7:01:49 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
12288:ktob2DsZMskzsa9fcODqDhxVIp3tirPVdi:ktloVkzskfA9xVldk

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:
7.8591  (probably packed)

Code size:
34.5 KB (35,328 bytes)

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

http://dl.downc468.com/g/.../skype_dsetup.exe

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/596647497/launch

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