Details
Skew.441

These are memory resident viruses. They copy themselves into Interrupt Vectors Table and hooks INT 21h. They write themselves to the end of the executable files.
Skew.441,445,469
These are not dangerous EXE viruses. They write to video ports some data, and as a result the screen is shifted (EGA monitor) or shaked (CGA and VGA monitor).
Skew.458
It is a dangerous memory resident COM virus. It also hooks INT 1Ch and sometimes corrupts the files or erases the disk sectors.

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This entry was posted on Wednesday, February 6th, 2008 at 10:50 pm and is filed under Virus Threats.