Google indexing strange spam sub-domain in my site !!!

[5aa5]

Hello,

i checked my site in google search engine and got some sub-domain unknown and strange !! you can see that in my attach file.
after that i checked in Cpanel/WHM root i didn't find these sub-domain. it's just in google search engine.all password with me no one use it.


who created these sub-domain!!? and how delete it from my server !!

thank you very much

[5aa5]

up

i need help how it happened !!

[cPanelTristan]

You are going to have to provide an example of one of the subdomains actually used. The image purposely blurs the full url to know what it happened to be.

If the subdomains don't currently exist on the machine, I cannot tell you how it happened. You probably would want to hire someone who handles security to review your machine. We have a catalog for system administrators that you might consider contacting:

Dev & Sys Admin Services « Application Catalog