Virus Database

Tina.826

Description Tina.826

It is a dangerous nonmemory resident parasitic encrypted virus. It searches for .COM files and writes itself to the beginning of the file. It overwrites the AUTOEXEC.BAT file with the strings:
@echo off
echo Tina, do you love me?
pause >nul

It also contains the text strings:
*.COM *.* AUTOEXEC.BAT

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Attack.3584

Description Attack.3584

It is a very dangerous nonmemory resident parasitic virus. It searches for .COM and .EXE files, as well as for C:DNDN.COM, C:MOUSE.COM, C:MOUSEMOUSE.COM, C:NCNC.EXE files, then writes itself to the end of the file. Depending on the system conditions the virus creates the C:DOSMBS.TXT file, erases the CMOS and disk sectors, displays the message:
mAsSiVe AtTaCk

Attention.394

Description Attention.394

It is a dangerous memory resident parasitic virus. It hooks INT 21h and writes itself to the end of .COM files that are executed. While infecting, the virus writes 16 bytes of code and data to the file beginning :
+-----------------------------------------------------
¦JMP Loc_Virus¦A T T E N T I O N !¦1Ah¦ file
+-----------------------------------------------------
3 bytes 12 bytes 1 byte

While infecting, the virus hooks INT 24h, but does not restore its original value - this might hang the system.
The virus manifests itself upon infecting files on a write-protected disk in the A: drive: the motor is switched on (regardless what disk is being accessed). In infected files starting from the 4th byte you can find the string
ATTENTION !

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