Nuker.CGSi
Description Nuker.CGSi
This is a Win32 program that attacks remote Windows machines. It uses an error in the network support Windows library and uses it to crash the remote system by a specially prepared "Out Of Band" (MSG_OOB) packet that is sent to port 139.
To protect machine(s) against such an attack, you should install the latest Windows update (Service Pack).
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Hallo.524
Description Hallo.524
It is not a dangerous memory resident parasitic virus. It hooks INT 21h and writes itself to the end of COM-files that are executed. After infection of each file the virus displays the message:
Hallo my dear friend !!!
Hallochen.a
Description Hallochen.a
It is a dangerous memory resident parasitic virus. It hooks INT 8, 16h, 21h and writes itself to the end of COM and EXE files. While infecting the COM files the virus also writes to the beginning of the files six bytes of the Jmp-Virus code:
JMP Loc_Virus
DB ?
DW 5555h
Depending on its "generation" the virus "jokes" with the keyboard, periodically it changes the keys that are entered. The virus also slows down the computer by delay on INT 8 (timer) calls.
The virus contains the text:
Hallöchen !!!!!!, Here I'm Acrivate Level 1
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