Chang.1759
Description Chang.1759
Chang.1759 is a dangerous memory resident parasitic virus. It hooks INT 21h and writes itself to the end of COM- and EXE-files that are executed. If the file's hard drive is write protected, the virus overwrites the MBR by the string:
TOO MANY WRITE PROTECT!!!
It also contains the internal text strings:
12345678
YOU CAN CHANG SOMETHING OF THE PROGRAM.
I HAVE GIVEN UP MY COPYWRITE, AND I HAVELEFT SOME SPACE FOR YOU.
THANKS!
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Macro.Word.NOP
Description Macro.Word.NOP
These are silly macro viruses containing two macros. While infecting the system global area (on AutoOpen) or a document (on DateiSpeichern - FileSave) the viruses copy their macros with other names:
NORMAL.DOT Infected files
Macro1 DateiSpeichern NOP
Macro2 NOP AutoOpen
"Nop.d" has other set of names: AutoOpen and FileSave.
The viruses are very short - summary length of their macros is:
"Nop.a" - 246 bytes
"Nop.b" - 250 bytes
"Nop.a" has no destruction or trigger routines. "Nop.b" on FileSaveAs inserts the text "Testvirus" into current document. "Nop.e" searches for the text ". SAP" in the current document and replaces it with ". SÅP".
Macro.Word.NOP.b
Description Macro.Word.NOP.b
It contains the macros: AutoOpen, NOP.
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