PD.1070
Description PD.1070
It is a harmless nonmemory resident encrypted parasitic virus. It searches for COM and EXE files and writes itself to the end of the file. On Sunday it disinfects the files instead of infecting them. It contains the text string:
Hi!PD
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IBV.742
Description IBV.742
It is a very dangerous memory resident encrypted parasitic virus. It hooks INT 21h and writes itself to the end of .COM files that are accessed with FindFirst/Next ASCII DOS functions. On April 1st the virus erases the hard drive sectors and displays the message:
Ich bin VAGINA Virus !!
Ice Family
Description 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.
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