Many reports of ACCDFISA Virus/ransomware infection in Doha Qatar . Specially on Windows 2003 servers . It decrypts windows server file and ask for a ransom ( USD-3000 minimum ) .
Please update latest security patches and service packs and anti-virus as a preventive measure .
It posts a locking screen on windows like the one attached with this post .
More about this virus https://www.bleepingcomputer.com/virus-removal/remove-decrypt-accdfisa-protection-program
