Hi there,
Seems to me that you should follow the standard process when you have unnatural links. You should:
- Compile a list of links and domains.
- Contact Webmasters of these domains, requesting removal of links (include the pages where these links are added in your email)
- Save all your sent and received emails to/from Webmasters
- Ones that don't reply to you, email them one more time a couple of weeks later
- Create a disavow file for domains that you couldn't get links removed from, state the reason and dates of emails.
- Submit the disavow file to the disavow tools
I know its not straight froward nor fast, but thats how you maintain the public link profile of any website since the Penguin Updates started.
I hope it helps