Action Steps for a Virus Attack - Breathing Space Blog

Call a PC guru and don't shut off your PC which could trigger the infection.

Disconnect your online connection.

Back up any new data; it might be your only chance. Try to clean it later.

Use another PC to learn about the virus.

Use anti-virus software to scan and clean. If not treatable, delete the file.

Brief your anti-virus software vendor in case it's a new virus.