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windows defender.exe

Windows Defender

Bechiro S.L.

This is the Solimba installer program that will bundle additional offers mostly including adware and various unwanted PC utilities. The application windows defender.exe, “Windows Defender AppInstaller” by Bechiro 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:
Bechiro S.L.  (signed and verified)

Product:
Windows Defender

Description:
Windows Defender AppInstaller

Version:
3.0.17.4

MD5:
88a2c5d10806c56098c431bd079e8a84

SHA-1:
0013a7b8c1439668217bc93cb6effd02cd09a860

SHA-256:
c05ea6e41f11c8657e63965d00430027796da2d924e68c507228dcb06dbd88df

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

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:
5/8/2024 7:04:25 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.Bechiro.Bundler (M)
16.1.15.17

File size:
198.2 KB (202,936 bytes)

Copyright:
AppInstaller 2013 (132072015)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

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

Digital Signature
Signed by:
Bechiro S.L.

Authority:
Thawte, Inc.

Valid from:
6/13/2012 1:00:00 AM

Valid to:
6/14/2014 12:59:59 AM

Subject:
CN=Bechiro S.L., OU=Devel, O=Bechiro S.L., L=Barcelona, S=Barcelona, C=ES

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
738DCAC697C06E1B89D106073773010D

File PE Metadata
Compilation timestamp:
2/19/2012 3:01:49 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
6144:+saocyLCEjpA7YaM3fYYJIlzzImYsMJEv:+tobpjpAc/QoIlYmYPav

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:
7.6015

Code size:
34.5 KB (35,328 bytes)

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

http://www.pc-file.com/windows-defender/download/.../1030

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/143454609/launch

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