Quadratic Family
Description Quadratic Family
These are harmless memory resident parasitic virus. They hook INT 21h and write themselves to the end of COM- and EXE-files that are executed. They cure the infected files on file opening. They contain the internal text strings:
SD93
Quadratic Equation
"Quadratic.981,986" hook INT 09h also (keyboard) and sometimes display the message "Quadratic Equation" on DEL key pressing.
"Quadratic.1283" is a polymorphic virus. It contains the internal string "Quadratic Equation II".
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P&C.855
Description P&C.855
It is a harmless memory resident parasitic virus. It hooks INT 21h and writes itself to the end of COM files that are executed. It contains the text string:
P&C°
P2P-Worm.Win32.Darby.m
Description P2P-Worm.Win32.Darby.m
This worm spreads via the Internet via file-sharing networks. It also spreads via IRC channels, open network resources, and as an attachment to infected messages. It sends itself to addresses harvested from the victim machine. The worm itself is a Windows PE EXE file approximately 141KB in size,all
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