Cassiopesa is a software usually installs without your knowledge vith the download of freeware. In fact some sites use the method of repackaging. This is an operation that is to redo the module software installation by adding download options. These options allow to add other software as for example toolbars browser, or potentially unwanted software. The addition of these new programs can decrease the performance of the system but also slow or redirect internet surfing. As a general rule, should focus on the author’s official site to download your software.
Identified : 06/06/2015.


– It belongs to a family of PUP (Potentially Unwanted Program).
– Vendor : PUP.Optional


– It changes the start page of the browser Mozilla Firefox (M0),
– It changes the start page of the browser Internet Explorer (R0),
– It changes the browser Internet Explorer search page (R1),
– It installs as a process launched at startup of the system (RP),
– It starts a task planned in automatic (O39),
– It installs as a program (O42),
– It creates to many registry keys ‘Software’
– It creates additional folders (O43),
– It moved to the Windows prefetcher folder (O45).
– It creates multiple files users (O61),
– It changes the Internet research provider (O69),


M0 – MFSP: prefs.js

[Coolman – j68d2jd4.default-1433552245544]
R0 – HKCU\SOFTWARE\Microsoft\Internet Explorer\Main,Start Page =
R1 – HKLM\SOFTWARE\Microsoft\Internet Explorer\AboutURLs,Tabs =[MD5.0790E485AF6952D8396166A6AA515096] [APT] [Tny_cassiopesa] (…) — C:\Users\Coolman\AppData\Roaming\TNY_CA~1\UPDATE~1\UPDATE~1.exe [509440] O39 – APT: Tny_cassiopesa – (…) — C:\Windows\Tasks\Tny_cassiopesa.job [306] O39 – APT: Tny_cassiopesa – (…) — C:\Windows\System32\Tasks\Tny_cassiopesa [306] O42 – Logiciel: Tny_Cassiopesa – (.Tny_Cassiopesa.) [HKLM] — Tny_Cassiopesa[HKCU\Software\tny_cassiopesa] O43 – CFD: 06/06/2015 – 19:13:19 – [] —-D C:\Program Files\Tny_Cassiopesa
O43 – CFD: 06/06/2015 – 19:13:27 – [] —-D C:\Users\Coolman\AppData\Roaming\Tny_cassiopesa
O61 – LFC: 06/06/2015 – 19:16:35 —A- . (…) — C:\Users\Coolman\AppData\Roaming\Tny_cassiopesa\UpdateProc\UpdateTask.exe [509440] O69 – SBI: SearchScopes [HKCU] {015DB5FA-EAFB-4592-A95B-F44D3EE87FA9} [DefaultScope] – (Cassiopesa) –


PUP.Optional.Cassiopesa.A [ Malwarebytes Antimalware ]


– Remove software in Windows Configuration Panel,
Remove with ZHPcleaner
Diagnose with ZHPDiag

2016-12-30T07:34:20+00:00 Categories: PUP|Tags: |Comments Off on PUP.Optional.Cassiopesa