Virus Database

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.

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Cpw.1459 / Cpw.1527

Description Cpw.1459 / Cpw.1527

This is a dangerous memory resident virus. It hooks INT 16h and 21h, and infects COM- and EXE-files by a standard manner upon accessing to them. On May 27th, it types: "Feliz cumpleaños CPW!" and hangs up the computer. It also changes the key scancodes and contains the following text strings:
Este programa fue hecho en Chile en 1992 por CPW.
C:COMMAND.COM
You are here CPW!

It contains the encrypted file names list:
îÄCNCGUARDEMSCPAVSCANCLEANFINDVIRUCHKVIRUS

and does not infect the files from this list. This infector can also delete these files.
Cpw.1527
This is a memory resident dangerous parasitic encrypted virus. It hooks INT 21h, and writes itself to the end of COM- and EXE-files. On September 11th, December 28th, and May 27th it deletes the files. It contains the internal text strings:
CPW fue hecho en Chile en 1992, ­VIVA CHILE MIERDA!
C:COMMAND.COM

It contains the following list of file names which are deleted:
GUARD guard CPAV SCAN CHKVIRUS CLEAN TOOLKIT VSAFE CHKLIST.CPS

CPXK Family

Description CPXK Family

These are harmless not memory resident parasitic viruses. They search for .COM-files and write themselves to their ends. They contain the internal text strings:
CPXK
*.COM

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