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:
5a8d76e1296c8c36a77f11f80ca5b6dc

SHA-1:
900a27ecdeb65f90d662040c39b3ce25f25d48b1

SHA-256:
6bc6d6b121b68f4b1b21e9c32789cb2061b32c7e5393813fef58975129b591c9

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

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:
12/26/2024 11:18:51 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba (M)
16.7.24.0

File size:
212.8 KB (217,928 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:
2/3/2015 11:57:44 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 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11215E74094630A820F1780B2676F6A18842

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):
6144:We34y2pbTh+3pwLpAKKi8A//t4V1TLAo/o5b77ClFxV:kvh+3KaltAnIhLB/m4V

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...
 
[+]

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.

Remove microsoft_security_essentials.exe - Powered by Reason Core Security