Viking.1000.b
Description Viking.1000.b
This is a dangerous virus. The virus infects the files that are executed or opened, it also searches for the files and infects them on DOS calls that access to the files. It infects the COMMAND.COM file when the first infected file is executed. While infecting a file the virus tries to set INT 13h handler to its original address in DOS area, but in lot of cases the virus fails and DOS halts.
The virus contains the text string:
*.COM *.EXE Viking4 In
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Bye.641
Description Bye.641
It is a dangerous memory resident parasitic virus. It hooks INT 1Ch, 21h and writes itself to the end of COM files that are executed. If during one hour there were no files infected, the virus displays a message in Russian and reboots the computer.
Me¡ c½¿ om ñ«½ú« îôùÇï all
Åpo a , ¼« ñ ú ! Ÿ ôMêPAž ...
ByteSV.379
Description ByteSV.379
This is a harmless non-memory resident parasitic virus. It searches for COM files in directories on a current disk, then writes itself to the end of the file. If the current time is 11:00 PM, the virus displays the following string:
|||>[ByteSV]
After that the virus waits for any key to be pressed and continues executing the program.
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