What is ANSI bomb?
An ANSI bomb is a type of Trojan horse virus that reprograms certain keys (including function keys) to display color and unwanted graphics through the use of strings. ANSI bombs connect to the ANSI.SYS driver, which is usually associated with a text file or e-mail message. By initiating destructive commands, escape sequences redefine keys in this bombing process.
ANSI bombs have been around since 1996. Key commands like 'Enter' can also fail and crash a system. These types of Trojan virus are not as harmful as other viruses because they usually don't access third-party systems.
An ANSI bomb can run in ANSI systems, but the number of programs that require ANSI has been drastically reduced. Current Windows versions no longer use ANSI terminal emulations.
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