Thank you for contacting Second Life support to let us know that you've been affected by this incident, and thank you very much for your patience! We have set a script to run on your account which should fix this issue, and return your avatar's appearance to normal. In order to ensure it is applied correctly, please use the following directions:
If you are logged in, log out of Second Life.
Log into Second Life using the official Second Life viewer. If you do not currently have it, you can download it here: https://secondlife.com/support/downloads/