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fcl.204

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Description: Details
FCL.2044

This is a dangerous memory resident encrypted parasitic virus. It hooks INT 21h, and writes itself to the end of COM and EXE files that are accessed. The virus does not infect files with names HW*, V3*, etc. according to the string (two bytes per name):
HWV3F-J2T2TKTVTBWCCODEVIFIGIRAFEMTBRWI

On December 25, or if the system date is December 3rd 1997, or depending on some system conditions (if some memory resident anti-virus is installed?) the virus erases the CMOS.
The virus contains the text strings:
[FCL virus ] Nice Meet You See Again
NO WORK LAW

Updated: 02/24/2006
Copyright @2006 fcl.204
Webroot Software Inc.