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Details
Ice Family
These are not dangerous memory resident parasitic viruses. They hook INT 21h and writes itself to the end of COM files that are executed. The infected files contain the ID-strings "Ice".
"Ice.734" also hooks INT 1Ch, and depending on its internal counter erases the letters on the screen.
"Ice.735" also hooks INT 10h and depending on the system time duplicates the symbols that are displayed. |