microsoft-security-essentials.exe

Prelasan Developments s.l.

This is the Solimba installer program that will bundle additional offers mostly including adware and various unwanted PC utilities. The application microsoft-security-essentials.exe by Prelasan Developments 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:
Prelasan Developments s.l.  (signed and verified)

MD5:
eda490dd16ecb5cf4889fc15a6c89dd4

SHA-1:
ef4383a7278618dc8f573cc857353299a390a8fc

SHA-256:
1b6fdceeb6d04c1f992f45f8ed00526fbcab969b2ab50053c561d3a2660bafa4

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

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:
5/29/2024 4:41:00 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba (M)
16.7.25.4

File size:
208.9 KB (213,888 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR (using Nullsoft Install System)

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

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
12/22/2015 11:44:25 AM

Valid to:
9/24/2016 5:07:57 PM

Subject:
CN=Prelasan Developments s.l., O=Prelasan Developments s.l., L=Barcelona, C=ES

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121B96880D4523A058649BC00FFA5D5AA7C

File PE Metadata
Compilation timestamp:
12/5/2009 10:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:IgXdZt9P6D3XJ6CFSYyE4lUH/K33M+j6GWV+D9wQb9FdcdnrNr+/1N/WDX6u164J:Ie34pYvjTHWAFdcd5rSn/MKujiiUClUQ

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:
7.8394

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file microsoft-security-essentials.exe has been seen being distributed by the following URL.

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