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update.exe

Simple PC Optimizer

Vapc Lux Sarl

The application update.exe, “Simple PC Optimizer installer” by Vapc Lux Sarl has been detected as a potentially unwanted program 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 NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from simplestar.com and multiple other hosts.
Publisher:
SimpleStar  (signed by Vapc Lux Sarl)

Product:
Simple PC Optimizer

Description:
Simple PC Optimizer installer

Version:
2.8.2.6

MD5:
e246b208507b40442a9f9cdeda579db6

SHA-1:
adbff83738266e9d227183f7635f36ea8cf5a485

SHA-256:
c9b3254ded3d8f8962635a9c4c5086bbf159c7d327a7c014551e2e94cf9cd3b3

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/24/2024 5:33:39 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.SimpleStar (L)
16.10.17.22

File size:
25 MB (26,236,352 bytes)

Product version:
2.8.2.6

Copyright:
Copyright (c) 2016 SimpleStar. All Rights Reserved.

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\Program Files\simple pc optimizer\update.exe

Digital Signature
Signed by:
Vapc Lux Sarl

Authority:
GlobalSign nv-sa

Valid from:
2/11/2016 4:11:14 PM

Valid to:
2/10/2017 4:57:32 PM

Subject:
E=Ludovic.trogliero@vapc.lu, CN=Vapc Lux Sarl, O=Vapc Lux Sarl, L=Luxembourg, C=LU

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

Serial number:
112130BA28CC6DC89090DD3923776478D67D

File PE Metadata
Compilation timestamp:
4/10/2010 2:19:31 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
393216:wNYNvzOczTwMnri+qUNMkzJ/hacqLNZJXj/m/USMCI8HFmJkQT0KO5bvo:wNYvzOowMrrzKq5ahtXoUfCZ8Jx/O5c

Entry address:
0x354B

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 84, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, B0, 82, 40, 00, 6A, 08, A3, 98, 06, 47, 00, E8, 67, 27, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, 05, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 86, 40, 00, FF, 15, 80, 81, 40, 00, 68, 04, 86, 40, 00, 68, A0, 85, 46, 00, E8, 35, 26, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 10, 4C, 00, 57, E8, 23, 26, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
25 KB (25,600 bytes)

The file update.exe has been seen being distributed by the following 4 URLs.

http://simplestar.com/downloads/CID/.../SimplePCOptimizerSetup.exe

http://www.simplestar.com/downloads/CID/.../SimplePCOptimizerSetup.exe

http://simplestar.com/downloads/CID/.../SimplePCOptimizerSetup.exe

http://dl.reviversoft.com/reviversoft/product_releases/.../SimplePCOptimizerSetup.exe

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