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windows defender.exe

Sambamedia SL

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 windows defender.exe by Sambamedia SL 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 ttb.yofile.net.
Publisher:
Sambamedia SL  (signed and verified)

MD5:
a859ce310a5c76913a8fbcf07ba1aec2

SHA-1:
46171b832c01deab8b54726561a237420e28d301

SHA-256:
9e951d3bfa6d9518c9de7632cacb21dc2611beae374395dad03c5a69cb10174e

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 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:
12/25/2024 4:24:23 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Softpulse.Sambamed.Bundler (M)
16.4.21.8

File size:
736.4 KB (754,104 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Softpulse SoftwareBundler (using Nullsoft Install System)

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

Digital Signature
Signed by:
Sambamedia SL

Authority:
VeriSign, Inc.

Valid from:
9/6/2014 8:00:00 PM

Valid to:
9/7/2015 7:59:59 PM

Subject:
CN=Sambamedia SL, O=Sambamedia SL, L=Adeje, S=Santa Cruz de Tenerife, C=ES

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:
45EC30691B6FCCE67A70FF47105196DF

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:quvaxwj5jPDS2XRSV7yRGIisjhF+rQaMjKntrieopIPPwacq02sKx4Bo:PvaxizD9XYV7yAIis21BieCIPP7zfK

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9481

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://ttb.yofile.net/download/request/.../O1FKIQjD?__tc=1423881721.437&mkwid=sFfFCRTLW&pcrid=48776033846&kword= download windows defender&match=b&plid=&gclid=CI_z0Nu04MMCFUUvgQodKiwA3g&fileName=windows-defender

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