Virus Database

LionKing.3531

Description LionKing.3531

It is a dangerous memory resident stealth polymorphic parasitic virus. It hooks INT 21h and writes itself to the end of COM and EXE files that are executed or closed. When an infected file is opened, the virus disinfects it. While installing and infecting the virus avoids some anti-virus programs, while executing some utilities it disables stealth routine. The virus checks the system environment and infects COMMAND.COM file. Depending on the system date the virus displays the message and erases the disk sectors:
Ja som virus Lion King
Formatujem ti disk lebo devastujes prirodu

It also contains the text strings:
Vypadni z tejto casti RAM!
TBMEMXXXTBFILXXXTBCHKXXXTBDSKXXX
VIRSCANCLEAANTICPAVGUARSHIELKITTRAPPASCSOLOTBAVMSAV
COMSPEC=
tbscan tbsetup cpav msav enav scan viverify avg nodex
pkzip arj uc lharc arc lha
chkdsk

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LG.a

Description LG.a

It is a dangerous memory resident parasitic virus 1024 bytes of length. It hooks INT 21h and writes itself to the end of COM and EXE files that are executed or closed. The virus contains the text strings:
(c) Light General.
LG

While infecting a file the virus does not write its complete code to the end of the file, but 146 bytes only. The rest of virus code is written to the disk sectors by direct disk-write calls. When an infected file is executed, the virus reads its rest from disk sectors and continues installation. While installing it also looks for some specific code in the system memory and patches it.
While infecting the virus may corrupt disk sectors and disk boot sector. As a result data may be lost, or disk stays as non-bootable.

Lhb.1989

Description Lhb.1989

It is not a dangerous memory resident parasitic virus. It hooks INT 21h and on DOS calls FindFirst/Next FCB it searches for .COM and .EXE files and writes itself to the end of the file. File C:COMMAND.COM is infected when any infected file is executed. Depending on its internal counter this virus also hooks INT 1Ch and displays the messages:
Bloody! June 4th Made in Chengdun
It's close to midnight and something,evil's lurking in the dark.Under the
moonlight you see a sight,that almost stops your heart.You try to scream
but terror,takes the sound before you make it.You start to freeze as horror
looks.You right between the eyes,you're paralyzed.Cause this is
thriller,thriller night,and no one's gonna save you from the beast about to
strike.You know it's thriller night.You're fighting for your
life!all(LHB)?!

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