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pcspeedup_3cd8c0374b8947b28e870aff32ec062d_.exe

PC Speed Up

Optimal Software s.r.o.

The application pcspeedup_3cd8c0374b8947b28e870aff32ec062d_.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:
3.4.6.2

MD5:
b66c9043d3121c87b91079461a89c2e4

SHA-1:
442ffcf3f2afbd5cd15afce941ce635f7a50bc2b

SHA-256:
2b15296b2e76316e7d9ff0e69150a476e479f705cfbf5bb0232aff946f9433b9

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
6/17/2024 6:26:51 PM UTC  (today)

Scan engine
Detection
Engine version

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

File size:
5.2 MB (5,484,256 bytes)

Product version:
3.4.6.2

Copyright:
Copyright © Speedchecker Limited 2009-2014

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\pcspeedup_3cd8c0374b8947b28e870aff32ec062d_.exe

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

Authority:
DigiCert Inc

Valid from:
10/30/2012 8:00:00 PM

Valid to:
11/5/2014 7:00:00 AM

Subject:
CN=Optimal Software s.r.o., O=Optimal Software s.r.o., L=Český Těšín, C=CZ

Issuer:
CN=DigiCert High Assurance Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
09DA6E35288E3A0431B971129CCF387A

File PE Metadata
Compilation timestamp:
12/20/2011 9:16:50 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
98304:GkqSLwjQsJzYa1dAT5ee4Ux/XTdNW2CurxU55xmvezbfQqctImsXkOhjlV5+:G3SoQyzYa1+dpx/XTGpL5xmjXamsXBjA

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:
7.9936

Developed / compiled with:
Microsoft Visual C++

Code size:
84 KB (86,016 bytes)

The file pcspeedup_3cd8c0374b8947b28e870aff32ec062d_.exe has been seen being distributed by the following 20 URLs.

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

http://link.pcspeedup.com/aff_r?offer_id=5&aff_id=1524&redirect_pass=1&url=http://www.pcspeedup.com/.../download.aspx?affID=hoffers&k=102f6b4cc5e16098a80e1d3b77ab69&urlauth=819539523278123687125874733480

http://link.pcspeedup.com/aff_r?offer_id=5&aff_id=1524&redirect_pass=1&url=http://www.pcspeedup.com/.../download.aspx?affID=hoffers&k=102bd5ba600f05a19aa732f8a67900&urlauth=322825182684157728758523156961

http://www.pcspeedup.com/.../download.aspx?affId=hoffers&keyword=1026c70dfe5bd888ab03971915dad9&referencedWebsite=www.pcspeedup.com&language=en

https://www.wifiprotector.com/.../response.aspx?&requestId=6bdac1f20c8243fcb56e5b54186b2d1a&encodedInstallerPath=QzpcaW5ldHB1Ylx3d3dyb290XHByenlzcGllc3prb21wdXRlclxkb3dubG9hZHMvcGNzcGVlZHVwLmV4ZQ==&edition=

http://www.pcspeedup.com/.../download.aspx?k=1026c70dfe5bd888ab03971915dad9&affId=hoffers&keyword=1026c70dfe5bd888ab03971915dad9&referencedWebsite=www.pcspeedup.com&language=en

https://www.wifiprotector.com/.../response.aspx?&requestId=42208acb35a14116b67f4536b3fb087a&encodedInstallerPath=QzpcaW5ldHB1Ylx3d3dyb290XHByenlzcGllc3prb21wdXRlclxkb3dubG9hZHMvcGNzcGVlZHVwLmV4ZQ==&edition=

http://www.pcspeedup.com/.../download.aspx?k=1022bcc9b6559f43505ea2166f13fb&affId=hoffers&keyword=1022bcc9b6559f43505ea2166f13fb&referencedWebsite=www.pcspeedup.com&language=en

https://www.wifiprotector.com/.../response.aspx?&requestId=d95a30f7dc954140b69e16b4dd5f09eb&encodedInstallerPath=QzpcaW5ldHB1Ylx3d3dyb290XHByenlzcGllc3prb21wdXRlclxkb3dubG9hZHMvcGNzcGVlZHVwLmV4ZQ==&edition=

http://www.pcspeedup.com/.../download.aspx?autocountry=1&k=variation1&affId=win8app&keyword=variation1&referencedWebsite=www.pcspeedup.com&language=en

http://www.pcspeedup.co.uk/.../download.aspx?affID=janusz&keyword=unblocker

http://www.pcspeedup.me/.../download.aspx?k=velocidade&affId=adwords&keyword=velocidade&referencedWebsite=br.pcspeedup.me&language=pt

http://www.pcspeedup.com/.../download.aspx?k=1025268f99d271d8ff711eb90aaa28&affId=hoffers&keyword=1025268f99d271d8ff711eb90aaa28&referencedWebsite=www.pcspeedup.com&language=en

http://www.pcspeedup.com/.../download.aspx?affID=janusz&keyword=beforetip4&referencedWebsite=www.pcspeedup.co.uk

http://www.pcspeedup.com/.../download.aspx

http://www.pcspeedup.co.uk/.../download.aspx?affID=janusz&keyword=beforetip4

http://www.internetlento.it/download/.../

http://link.pcspeedup.com/aff_r?offer_id=5&aff_id=1784&redirect_pass=1&url=http://www.pcspeedup.com/.../download.aspx?affID=hoffers&k=1025854210856ac9f0472af39f70ae&urlauth=341166250667374820346491539122

http://link.pcspeedup.com/aff_r?offer_id=5&aff_id=1524&redirect_pass=1&url=http://www.pcspeedup.com/.../download.aspx?affID=hoffers&k=10273ec7b7d2a1c95ee65c399b8578&urlauth=734884402454875406746500353192

http://link.pcspeedup.com/aff_r?offer_id=5&aff_id=1524&redirect_pass=1&url=http://www.pcspeedup.com/.../download.aspx?affID=hoffers&k=1023ae4203ced80de9d08bfd5076a9&urlauth=633723698343021448728065349378

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