W32/PERRUN VIRUS

Information about the W32/Perrun virus:

W32/Perrun is a JPEG file infector. When an W32/Perrun infected JPEG file is executed, it extracts a file called EXTRK.EXE. It appends virus code to other .JPEG files when executed. The virus makes changes to registry at the following location to execute the virus whenever a JPEG file is opened.

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\jpegfile\shell\open\command

This virus first appeared on 13th June 2002.

Other names of W32/Perrun virus:
This worm is also known as Perrun, W32.Perrun.dr, PE_PERRUN.A.