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otsaso3setup.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 otsaso3setup.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 self-extracting archive and installer and has been known to bundle potentially unwanted software. The file has been seen being downloaded from download.setups.s3.amazonaws.com.
Publisher:
Omni Tech Support   (signed by Systweak Software)

Product:
Advanced System Optimizer

Version:
Advanced System Opti

MD5:
29a013644be59af09927c0adcb6931cd

SHA-1:
8f86a0162ea9d49f9096fefdfc78932a5cb673e2

SHA-256:
ee056fb6ec43b49326bcc2d8c92896e4f75651c2630767fda9c1b50c95e5e3dc

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 5:35:22 AM UTC  (today)

Scan engine
Detection
Engine version

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

File size:
19.9 MB (20,916,904 bytes)

Product version:
3.5.1000.16030

Copyright:
Omni Tech Support, (www.omnitechsupport.com)

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\otsaso3setup.exe

Digital Signature
Signed by:
Systweak Software

Authority:
VeriSign, Inc.

Valid from:
10/11/2012 5:00:00 PM

Valid to:
10/12/2015 4:59:59 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:
10/13/2013 1:19:32 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
393216:CyeG0sgSoaAGX58izcGfQjPM86KsBBoemO6J2Fh2vhlMvQxu9eWdKOAN:CyejaHpcZAIQFh2JlM9gWdKR

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:
7.9995

Developed / compiled with:
Microsoft Visual C++

Code size:
63.5 KB (65,024 bytes)

The file otsaso3setup.exe has been seen being distributed by the following URL.

http://download.setups.s3.amazonaws.com/otsaso3setup.exe

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