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pcspeedupuk_740af39a66d344cf8abb9fb06b978c15_.exe

PC Speed Up

Optimal Software s.r.o.

The application pcspeedupuk_740af39a66d344cf8abb9fb06b978c15_.exe by Optimal Software s.r.o 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. The file has been seen being downloaded from www.pcspeedup.com and multiple other hosts.
Publisher:
Speedchecker Limited   (signed by Optimal Software s.r.o.)

Product:
PC Speed Up

Version:
3.9.4.0

MD5:
2fb0a39c7b6ed3d9ed9b405fe7340ec3

SHA-1:
bd0329a3ed8d02cff163b342fd54e65385590c96

SHA-256:
dc8f689a200f0d20321e1f6d07645d0fbde47c7fd4c4cccb6cce5f129bd01b2b

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/24/2024 4:30:49 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.SpeedChecker.Optional.Installer.Meta (L)
16.6.10.12

File size:
6.6 MB (6,918,296 bytes)

Product version:
3.9.4.0

Copyright:
Copyright © Speedchecker Limited 2009-2015

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\pcspeedupuk_740af39a66d344cf8abb9fb06b978c15_.exe

Digital Signature
Signed by:
Optimal Software s.r.o.

Authority:
COMODO CA Limited

Valid from:
10/29/2014 12:00:00 AM

Valid to:
10/29/2015 11:59:59 PM

Subject:
CN=Optimal Software s.r.o., O=Optimal Software s.r.o., STREET=Jablunkovska 2014/40a, L=Cesky Tesin, S=Cesky Tesin, PostalCode=73701, C=CZ

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
50C21E22FC95CC7EFFB6E44F30CE0384

File PE Metadata
Compilation timestamp:
12/20/2011 2:16:50 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
196608:s3S3Vk+t9fA4bjXTGprVFwEVDR0ahhvIs6R70A5hecv:sUKo9frb7oTVR9Z6Jz5p

Entry address:
0x16478

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, B0, 52, 41, 00, E8, AC, 03, FF, FF, 33, C0, 55, 68, 45, 6B, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 01, 6B, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, AB, 41, 00, E8, 4E, EC, FF, FF, E8, F5, E7, FF, FF, 8D, 55, EC, 33, C0, E8, 7F, 84, FF, FF, 8B, 55, EC, B8, AC, D6, 41, 00, E8, E2, E9, FE, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, AC, D6, 41, 00, B2, 01...
 
[+]

Entropy:
7.9958

Developed / compiled with:
Microsoft Visual C++

Code size:
84 KB (86,016 bytes)

The file pcspeedupuk_740af39a66d344cf8abb9fb06b978c15_.exe has been seen being distributed by the following 4 URLs.

http://www.pcspeedup.com/.../download.aspx?k=JMC1152_I6pzrQwEf7-PXyABQdDHSb&autocountry=1&affId=aed&keyword=JMC1152_I6pzrQwEf7-PXyABQdDHSb&referencedWebsite=www.przyspieszkomputer.pl&language=pl

http://link.pcspeedup.com/aff_c?offer_id=5&aff_id=1524&url_id=45&source=box_resultado

http://www.pcspeedup.com/.../download.aspx?k=bottombanner&affId=janusz&keyword=bottombanner&referencedWebsite=www.przyspieszkomputer.pl&language=pl

http://www.pcspeedup.com/.../download.aspx?k=JMC1145_6_CEzMiPDV-PXyABQdDHSb&autocountry=1&affId=aed&keyword=JMC1145_6_CEzMiPDV-PXyABQdDHSb&referencedWebsite=www.przyspieszkomputer.pl&language=pl

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