Threat Troj/Mdrop-FOR

This thread should help as it has a video on the normal method of cleaning up malware found on your Mac...

http://openforum.sophos.com/t5/Mac-tools-help/Removing-Malware-from-a-Mac-OS-X/m-p/15247

If clean up fails it's probably in a location that Sophos can read from (to detect the threat), but Sophos doesn't have write access to.  Check the path to see where it goes.

This article...

https://www.sophos.com/en-us/support/knowledgebase/118117.aspx

...has a few paths called out at the bottom.

For an explanation of the logs watch this video...

This thread should help as it has a video on the normal method of cleaning up malware found on your Mac...

http://openforum.sophos.com/t5/Mac-tools-help/Removing-Malware-from-a-Mac-OS-X/m-p/15247

If clean up fails it's probably in a location that Sophos can read from (to detect the threat), but Sophos doesn't have write access to.  Check the path to see where it goes.

This article...

https://www.sophos.com/en-us/support/knowledgebase/118117.aspx

...has a few paths called out at the bottom.

For an explanation of the logs watch this video...