Virus Database


Helicopter.777.a

Description Helicopter.777.a

It is not a dangerous memory resident parasitic virus. It hooks INT 10h, 21h and infects .COM files that are executed. While infecting the virus search for zero bytes are in the file body, and writes itself to there. If there is no such are, the virus does not infect the file. The file length does not grow while infecting.
When the video mode is changed to graphic mode 5 (INT 10h, AX=0005h), the virus draws an image of helicopter.

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Macro.Word.Tiny family

Description Macro.Word.Tiny family

These are extremely short Word macro viruses. They contain only one macro AutoOpen (as a result replicate themselves on document opening) that contain one short instruction of virus replication. To copy their code the viruses use a "hot-keys" trick: they pass to Word a set of keys that force Word to copy virus macros.

Macro.Word.Tm

Description Macro.Word.Tm

This is a Chinese encrypted Word macro virus. It contains only one macro AutoOpen. It writes itself into global macros area and documents on the opening an document (AutoOpen). The virus also hooks timer events and calls AutoOpen macro each 5 minutes, i.e. each 5 minutes it tries to infect the current document.

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