» Optimal Software s.r.o.
Digital Signature
Analysis
Files (79)
Downloads (5)
Distribution (2)
Related (4)

Optimal Software s.r.o.

Publisher Information

Optimal Software s.r.o. is a software developer located in Cesky Tesin, Ceska Republika in Czech Republic*. A majority of the programs developed by the company can be classified as adware or other potentially unwanted programs. Thre are 5 additional code signing certificates issued to this publisher.

Authority:

COMODO CA Limited

Valid from:

7/14/2014 2:00:00 AM

Valid to:

7/15/2015 1:59:59 AM

Subject:

CN=Optimal Software s.r.o., O=Optimal Software s.r.o., STREET=Jablunkovska 2014/40a, L=Cesky Tesin, S=Ceska republika, PostalCode=7373 01, C=CZ

Issuer:

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

Serial number:

7759be5e5acee592af19555b528ce72f

Scanner detections:

Detections (96% detected)

Scan engine

Details

Detections

Reason Heuristics

PUP.Speedchecker.OptimalS.Meta (L), PUP.SpeedChecker.Optional.Installer.Meta (L), PUP.Speedchecker.OptimalS.Installer.Meta (L), Win32.Generic

100.00%

1 / 68 (PUP)

PCSpeedUp.sys (PC Speed Up Usb Cache by Speedchecker Limited) (4ec34c231b10f4f89cde14824973282b)

1 / 68 (PUP)

PCSUUCC.exe (PC Speed Up Usb Cache by Speedchecker Limited) (838e671e6972588742863ca8a2bf0454)

1 / 68 (PUP)

pcsuquickscan.exe (f245f6acd0468c21752db8fa1ea4e893)

1 / 68 (PUP)

pcsulauncher.exe (e2189a8a99421e0968ca1d3781e03e78)

1 / 68 (Adware)

PCSUHelper.dll (PC Speed Up by Speedchecker) (45a28ac09e6258fcc208ab6423f9df8a)

1 / 68 (PUP)

PCSUSpeedTest.exe (PCSUSpeedTest) (a5d940bd1a8dc22c907125f4851cbfa2)

1 / 68 (PUP)

PCSpeedUp.sys (PC Speed Up Usb Cache by Speedchecker Limited) (84d498d4d090a730b6c8942555c0da54)

1 / 68 (PUP)

wpsapi.dll (b2ffc4c98ce08051af81edec8aad9ad7)

1 / 68 (PUP)

skyhook.exe (033a350ed8d15347fbc674b17fc977a8)

1 / 68 (PUP)

fileuploader.exe (911230c596c9a2b773e29da5810523e8)

1 / 68 (PUP)

wpsapi.dll (66929a44c15038c0abce83e335f76ba3)

1 / 68 (PUP)

skyhook.exe (ce6fc191c31da448b173d2b75ca3456b)

1 / 68 (PUP)

pcsuquickscan.exe (21f2f57d3420686c224e330b66116cf7)

1 / 68 (PUP)

pcsuquickscan.exe (5f6c15459556866e0d4a21e5ff1bd66d)

1 / 68 (PUP)

wpsapi.dll (62b8d784c235e9e8ccb272fe8930670c)

1 / 68 (PUP)

skyhook.exe (a3c15cf7694c5927e2d1a6c8c002ea6b)

1 / 68 (PUP)

PCSpeedUp.sys (PC Speed Up Usb Cache by Speedchecker Limited) (96325c48644374a45bfdf8abfab2b444)

1 / 68 (PUP)

Common.Logging.dll (Common Logging Framework by http://netcommon.sourceforge.net/) (57493bd862e62d2a8a3f0003fd4f0236)

1 / 68 (PUP)

scs_setup_1.0.14.0.exe (PC Speed Up by Speedchecker Limited) (b240efc2eb88b80cb4303e712812fe08)

1 / 68 (PUP)

wpsapi.dll (916672bbbecfb618456cd1b99eb4399c)

1 / 68 (PUP)

skyhook.exe (94794cb85a65beca0c153528faa27bdf)

1 / 68 (PUP)

pcsuquickscan.exe (7d3cc1e5a02079da66a28dc636dcfd64)

1 / 68 (PUP)

PCSpeedUp.sys (PC Speed Up Usb Cache by Speedchecker Limited) (0744c4851a307a9258b6750fe8fd5872)

1 / 68 (PUP)

wpsapi.dll (bd657117b3681e95b9b01d32c0bcaef5)

1 / 68 (PUP)

skyhook.exe (0f778a41411a4577e80c30c2b8eb40fe)

1 / 68 (PUP)

PCSUUCC.exe (PC Speed Up Usb Cache by Speedchecker Limited) (a5d866d482a18d324492e7d1de9b57ca)

1 / 68 (PUP)

PCSUSpeedTest.exe (PCSUSpeedTest) (3ceda9c3318d4e5aa13d64572bdfa09b)

1 / 68 (PUP)

pcsuquickscan.exe (ead69fdd9462a79047cd73e0edb2d444)

1 / 68 (Adware)

PCSUHelper.dll (PC Speed Up by Speedchecker) (a0e65e9c544769db4f93fc5218360d00)

1 / 68 (PUP)

PCSpeedUp.sys (PC Speed Up Usb Cache by Speedchecker Limited) (3943593aae16fd6da9b04d25eab5e881)

Latest 30 of 79 files

Downloads URLs for files signed by Optimal Software s.r.o..

1 / 68 (PUP)

http://www.pcspeedup.com/.../download.aspx?k=beforetip&affId=janusz&keyword=beforetip&referencedWebsite=www.przyspieszkomputer.pl&language=pl (pcspeedupuk_86904a9738584b56b51493f5ed0d3181_.exe)

1 / 68 (PUP)

http://www.pcspeedup.com/.../download.aspx?autocountry=1&affId=win8app&referencedWebsite=www.acelerarelpc.mx&language=es (pcspeedupuk_86904a9738584b56b51493f5ed0d3181_.exe)

1 / 68 (PUP)

http://www.pcspeedup.com/.../download.aspx?k=10269934d49b6bc686c61cf56179c7&autocountry=1&affId=hoffers&keyword=10269934d49b6bc686c61cf56179c7&referencedWebsite=www.velocidadedopc.com.br&language=pt (pcspeedupuk_86904a9738584b56b51493f5ed0d3181_.exe)

1 / 68 (PUP)

http://pcspeedup-7ff.kxcdn.com/.../pcspeedup.exe (08caec472db03f5ea68e2b097fdfb502)

1 / 68 (PUP)

http://www.pcspeedup.com/.../download.aspx?k=beforetip4&affId=janusz&keyword=beforetip4&referencedWebsite=www.pcspeedup.co.uk&language=en (pcspeedupuk_86904a9738584b56b51493f5ed0d3181_.exe)

Distribution

The following websites host and distribute files published by Optimal Software s.r.o..

pcspeedup-7ff.kxcdn.com

www.pcspeedup.com

The certificates below are also signed by Optimal Software s.r.o..

1FA0D67D60CA1E747E6FBD496E484B0D (Oct 05, 2016 to Sep 20, 2017)

064EA4364631C6E156313BC99414782D (Nov 06, 2015 to Nov 05, 2016)

00DE52000CC87F2CDEAE54899FBF253D03 (May 11, 2015 to May 11, 2016)

50C21E22FC95CC7EFFB6E44F30CE0384 (Oct 29, 2014 to Oct 29, 2015)

09DA6E35288E3A0431B971129CCF387A (Oct 30, 2012 to Nov 05, 2014)

The following publishers (by Authenticode signature organization name) are related.

Safe Download Limited

Speedchecker Ltd

Safe Download Ltd.

Tuguu S.L

* Note, the details and description above are based on the code signing digital signature issued to Optimal Software s.r.o. by COMODO CA Limited on July 14, 2014 with the serial number '7759be5e5acee592af19555b528ce72f'.

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