Stubmler is an alias to a Linux trojan which is known as Typot.The description of Typot is available at https://www.f-secure.com/v-descs/typot.shtml
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.
More scanning & removal options
More information on scanning or removal options is available in the documentation for your F-Secure security product on the Downloads section of our Home - Global site.
You may also refer to the Knowledge Base on the F-Secure Community site for more information.