This is one of the few currently known viruses which infect PHP (Hypertext Preprocessor scripting language) script programs.
The virus only operates in systems that have PHP-interpreter installed.
When launched, the virus searches the current directory for PHP files and infects them by writing itself the the beginning of each file.
Before infecting a file, the virus searches it for the text string
. If it finds this string, it will not re-infect the file.
The virus contains the following text strings:
Virus: VirusQuest Written by Dr Virus Quest Created on 08/09/2003