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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 admin.bestmagnos.com.
Publisher:
Sambamedia LLC  (signed and verified)

MD5:
1d3336432e47d51b63d2f0b03a4b5f93

SHA-1:
40f1f88743359ea373f0afdab9923460174e7aec

SHA-256:
a1a2d1e8697469c0ace58dc3831d47a50af03671694e43af6ac2b92c42d903f1

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 '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:
5/22/2024 1:10:20 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Softpulse.Sambamed.Bundler (M)
16.7.7.8

File size:
672.8 KB (688,912 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Softpulse SoftwareBundler

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\skype.exe

Digital Signature
Signed by:
Sambamedia LLC

Authority:
VeriSign, Inc.

Valid from:
12/2/2014 7:00:00 PM

Valid to:
12/3/2015 6:59:59 PM

Subject:
CN=Sambamedia LLC, O=Sambamedia LLC, L=Wilmington, S=Delaware, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
5AF374AFD1700F42AFDDF9B5F12FD906

File PE Metadata
Compilation timestamp:
11/12/2015 5:14:58 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:SE4MPYxjsqM776himhxOdTu5MuBGqqTugX1pIgyNdnZnN9rx920846aZR1:dbkwqAaxOBub8p1kZzrx9RZR1

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:
7.8648

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://admin.bestmagnos.com/Oha8_aKKIlelpFYhCOz7WFNm9xaeN9V31c9NixjNxYwOIHcgMMsojOrsvJEOgVDD1eAFn1mmMXpLfy-NdNxUwawkQURMzJoJNo1i4nY3fqLdPrcAKWWKOE5dJP1wms3r2lTDp8tLqru1cWBUDHssJt7LBQfZ0s68cgipd9Iu1goOecwE6nmezlgrIMV3YQb9ZoJiRcM57QVM6i8ibzEX1sGVhXsluirz-HOde-RBzz4v2njRLrAby6caief4VJEPvVvTarBk9uPkgbO46KuwceK4a_N5ucNrAITHO-Nc9dSkryGM1fNtdxTsxfG0QWSu8QBT58Pv2Wqpd-DPUvBliOiJ6g5LFnqRNxm5kpUBhIMCexeh0ltFTIgA_qgyj0VFM_lF7usiUNZOqGaN4Gjc-mycRRElcCM3Os-8o1zUvGQ

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