MGUL.950
Description MGUL.950
This is a dangerous memory resident parasitic stealth virus. It hooks INT 21h and writes itself to the end of COM and EXE files that are accessed.
On June 11th, November 30th and December 31st it erases MBR and first boot sector of hard drive.
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Orange.337
Description Orange.337
It is not a dangerous memory resident parasitic virus. It copies itself into Interrupt Vectors Table, hooks INT 21h and writes itself to the end of COM files that are executed. Depending on the system timer the virus displays the message in Russian.
Orchid Family
Description Orchid Family
These are harmless nonmemory resident encrypted parasitic viruses. "Orchid.120" is overwriting virus. They search for .COM files and write themselves at their beginning. They contain the text strings:
"Orchid.120,311": Killed by my orchidall
"Orchid.351": Time goes fast without you
Move file pointer to start of file
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