“Rapid Antivirus Firewall has blocked a program from accessing the Internet” is a Windows popup alert perpetuated by the rogue program Rapid Antivirus. The full message reads:

Rapid Antivirus Firewall Alert.

Rapid Antivirus Firewall has blocked a program from accessing the Internet.

Internet Explorer may be injected with worm Lsas.Blaster.Keyloger. This worm is trying to send your credit card details data using Internet Explorer to connect to remote host.

Aliases:

-

Risk Level: Low

File Size: Varies

Affected System: Windows

Common Symptoms:

Rapid Antivirus Firewall Alert