Symptoms of Gumblar Virus
Your website in getting infected with unknown iframe or scripts and website is getting redirect to any infected website and due to which virus are getting downloaded in your machine.
Activity at user End
The virus will find FTP clients such as FileZilla and Dreamweaver and download the clients’ stored passwords. It also enabled promiscuous mode on the network card, allowing it to sniff local network traffic for FTP details. It is one of the first viruses to incorporate an automated network sniffer.
Activity at server end