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stpf523_tmp.exe

PC Speed Maximizer

Smart PC Solutions, Inc.

The application stpf523_tmp.exe, “Fix PC problems and optimize performance ” by Smart PC Solutions 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 Inno Setup installer. It is also typically executed from the user's temporary directory.
Publisher:
Avanquest   (signed by Smart PC Solutions, Inc.)

Product:
PC Speed Maximizer

Description:
Fix PC problems and optimize performance

Version:
2.1

MD5:
18b6610b98bde93961ea7fad70ebe5ce

SHA-1:
e891440bbbf6719313d61109a6c66f9a55903757

SHA-256:
f6cc756ed78140e807dddb93c0b0aa66879af26c37fa2fb678aa91c9ee2d3768

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/18/2024 12:25:04 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.PC Utilities.SmartPCSolutions.Installer (M)
16.1.24.7

File size:
1.3 MB (1,325,152 bytes)

Product version:
2.1

Copyright:
Avanquest

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\appdata\local\temp\stpf523_tmp.exe

Digital Signature
Signed by:
Smart PC Solutions, Inc.

Authority:
VeriSign, Inc.

Valid from:
4/16/2009 2:00:00 AM

Valid to:
5/31/2011 1:59:59 AM

Subject:
CN="Smart PC Solutions, Inc.", OU=Digital ID Class 3 - Microsoft Software Validation v2, O="Smart PC Solutions, Inc.", L=Alexandria, S=Virginia, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2004 CA, OU=Terms of use at https://www.verisign.com/rpa (c)04, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
5267DCE6AF375FA7C4F1CA65BD87DF80

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:p205qiIUFdaHiWi4MMFOX9LTbS8bo5u/GbtGces/:p2lGdoipkONLy8bQcstd

Entry address:
0x9B24

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, A2, 95, FF, FF, E8, A9, A7, FF, FF, E8, D4, C9, FF, FF, E8, 1B, CA, FF, FF, E8, 0E, F3, FF, FF, E8, 75, F4, FF, FF, 33, C0, 55, 68, DB, A1, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, A4, A1, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 9B, FE, FF, FF, E8, 02, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 04, D0, FF, FF, 8B, 55, F0, B8, E4, CD, 40, 00, E8, 53, 96, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, E4, CD, 40, 00, B2, 01, B8...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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