Congratulations
Description Congratulations
It's a dangerous not memory resident parasitic encrypted virus. It searches for EXE-files and writes itself at their ends. In some cases it deletes the file instead of infection. Depending on its generation number it displays the message:
Congratulations, you have a virus
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Matura.1626
Description Matura.1626
It is not a dangerous memory resident parasitic virus. It hooks INT 21h and writes itself to the end of .COM and .EXE files that are executed or opened. The length of COMMAND.COM file does not grow while infecting, the virus inserts itself into the end of the COMMAND.COM (see "Lehigh"). The virus contains the text strings:
exeEXEcomCOMcommandCOMMAND
and overwrites OEM-strings of boot sectors with the string: MATURA92
Maus.1888
Description Maus.1888
It is a very dangerous nonmemory resident virus. It searches for the COM and EXE files of the directories and writes itself to the beginning of COM, and to the end of EXE files. It also creates the file device driver and append the information about this driver into the CONFIG.SYS file. This driver being installed into the memory sometimes erases the keyboard buffer. In some cases the virus erases the disk sectors. It contains the text strings:
C: * NETWARE LMS MAUS MDB DOS BASE
*.exe *.com
C:CONFIG.SYS DEVICE =
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