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skype.exe

Sambamedia LLC

This is the Softpulse installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application skype.exe by Sambamedia 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 Softpulse SoftwareBundler installer. The file has been seen being downloaded from az837010.vo.msecnd.net.
Publisher:
Sambamedia LLC  (signed and verified)

MD5:
7c94346369aa79ecb736bd5be9feebb2

SHA-1:
7dc9b96adb0823b6bbc8506a548cd3d6df99f319

SHA-256:
10926d73f90a9f61bbe63645014f21d7d2f3893020aa4ed4670e75ff6a186d1f

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
11/30/2024 9:00:59 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Softpulse (M)
16.8.1.22

File size:
673 KB (689,184 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Softpulse SoftwareBundler

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

Digital Signature
Signed by:
Sambamedia LLC

Authority:
COMODO CA Limited

Valid from:
2/13/2015 8:00:00 AM

Valid to:
2/14/2016 7:59:59 AM

Subject:
CN=Sambamedia LLC, O=Sambamedia LLC, STREET="501 Silverside Road, Suite 105", L=Wilmington, S=Delaware, PostalCode=19809, C=US

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00B3008B962204B9EFCE56FF0B2B9C2C13

File PE Metadata
Compilation timestamp:
11/12/2015 6:14:58 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:AE4MPYxjsqM776himhxOdTu5MuBGqqTugX1pIgyNdnZnN9rx920846aZR:7bkwqAaxOBub8p1kZzrx9RZR

Entry address:
0x1A3000

Entry point:
60, BE, 00, 60, 50, 00, 8D, BE, 00, B0, EF, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Entropy:
7.8646

Packer / compiler:
UPX 2.90LZMA

Code size:
632 KB (647,168 bytes)

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

http://az837010.vo.msecnd.net/F9M3PTdaEPMehA0Fyia8W5BBxI-Yn-vHRGGzgMghlBRYEaUyLJ-os73Nh1o0nspVJl67B9ICciBLXCsF62G4s-OfzWsfqAgnup_tu5KOpjWqmIZ478PTP9UQN6wy-RgZvGmbDOKfY5oNWR1I-veCtAV2O15zWeHxsbf8MG1mKRTEwWM5tknfSuihtXgVLHaErhFgqt3tnu2HoOPcB-UT3i3wRAlZyMvOiFIg4WO9AHq9JO1nYj-NvFmS8bS4UiZkBZVoI9j1WdlCDqQwAdj8DweJp2NphHUTjCkQ6LwDkEtYYPH3p86bMg2s_tH7AXRbEzmlCeKHqsvY3Hi3Zcbl649qXnZSKtRHpYveKN3FiHk3rPi9v3tqU_TyoPn6Aft0NsODHmfoyyG6Kva7paZJTxAlF3xnyI-SJhO0FmSCJi99E8dfCFnYXuelsWM-E939Y0XlVL8_TPMgyvjtQSro5g

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