The group behind this is using the stored usernames and passwords to simulate a web net online gate login through fake net online gate software.
This software simulates the actual login process a user would use if they are using Firefox/Safari/Chrome to access their Namecheap account.
The hackers are going through their username/password list and trying each and every one to try and get into Namecheap user accounts.
Read More
source: www.techworm.net