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38e102b043c35222a5a5632ff7366732.exe

Advanced System Optimizer

Systweak Software

This is part of the Systweak Optimizer program (a registry scrubber utility) that is typically installed through a 'special offer' from a 3rd party download manager. The application 38e102b043c35222a5a5632ff7366732.exe by Systweak Software has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from systweak.cleverbridge.com and multiple other hosts.
Publisher:
Systweak Software   (signed by Systweak Software)

Product:
Advanced System Optimizer

Version:
Advanced System Opti

MD5:
38e102b043c35222a5a5632ff7366732

SHA-1:
87b31da346ab505b46295edf947917f0099b8e19

SHA-256:
251cf1602e0c4ea42181a83f5d0612ca5a1ac8ccad7229c127549f577d82e010

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
While this is not malware, it is typically included with a bundled installation that might have been installed with minimal user consent and may present unwanted warnings and popups.

Analysis date:
11/27/2024 12:34:42 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Systweak.Installer.Meta (L)
16.6.9.22

File size:
14.4 MB (15,067,808 bytes)

Product version:
3.5.1000.15646

Copyright:
Systweak Software

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\38e102b043c35222a5a5632ff7366732.exe

Digital Signature
Signed by:
Systweak Software

Authority:
VeriSign, Inc.

Valid from:
10/11/2012 8:00:00 PM

Valid to:
10/12/2015 7:59:59 PM

Subject:
CN=Systweak Software, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Systweak Software, L=Jaipur, S=Rajasthan, C=IN

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:
59F8D19475E75F9338DF32A94183402F

File PE Metadata
Compilation timestamp:
1/30/2013 9:21:56 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
393216:Fr9gzTVQT1QcNLz1OuoOQ6SvUy+wwD3K2JKXZC3GRE:3+TVQT1zNLzYCBEUy+wwDK2WZCt

Entry address:
0x113BC

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, 2C, 00, 41, 00, E8, E8, 51, FF, FF, 33, C0, 55, 68, 9E, 1A, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 5A, 1A, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, 5B, 41, 00, E8, 16, D8, FF, FF, E8, 65, D3, FF, FF, 80, 3D, DC, 2A, 41, 00, 00, 74, 0C, E8, 2B, D9, FF, FF, 33, C0, E8, 80, 32, FF, FF, 8D, 55, EC, 33, C0, E8, E2, A3, FF, FF, 8B, 55, EC, B8, 50, 86...
 
[+]

Entropy:
7.9991

Developed / compiled with:
Microsoft Visual C++

Code size:
63.5 KB (65,024 bytes)

The file 38e102b043c35222a5a5632ff7366732.exe has been seen being distributed by the following 11 URLs.

https://systweak.cleverbridge.com/305/cookie?affiliate=30486&x-at=nl01COaso&redirectto=http://cloudfront.systweak.com/.../aso3setup_30486.exe

https://systweak.cleverbridge.com/305/cookie?affiliate=30486&x-at=IT2computerlentoASO&redirectto=http://cloudfront.systweak.com/.../aso3setup_30486.exe

http://www.pcsnellermaken.nl/download/.../

https://systweak.cleverbridge.com/305/cookie?affiliate=30486&x-at=IT2&redirectto=http://cloudfront.systweak.com/.../aso3setup_30486.exe

http://www.computerlento.it/download/.../

http://cloudfront.systweak.com/.../aso3setup_30486.vtsafe.exe

http://safe.pre-cloud.com:8080/vt.php?q=http://cloudfront.systweak.com/.../aso3setup_30486.exe

http://computeropschonen.com/go/.../

http://cloudfront.systweak.com/.../aso3setup_30486.exe

http://computeropschonen.com/download/.../?NL0_{b9ed4e75-612c-1b8c-5f24-105207995486}_8753_1

http://computeropschonen.com/download/.../?NL0_{83286da0-5149-9101-87ac-004f1aed2a9a}_8753_5

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