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Glacier

Family Author(s) From Date Has Image
Glacier 2.2 Darksun Y2KZERO China
Glacier 3.3 Y2KZERO China 2000
Glacier 1.2 Y2KZERO China October 1999
Glacier 2.2 Y2KZERO China October 2000
Glacier 1.0 Y2KZERO China December 2000
Glacier 3.0 Y2KZERO China December 2000
Glacier 2000 Y2KZERO China February 2001
Glacier 4.1 Y2KZERO China February 2001
Glacier 5.5b server Y2KZERO China June 2001
Glacier 8.2 Y2KZERO China August 2001
Glacier 6.0 [GLUOSHI] Y2KZERO China September 2001
Glacier 9.11 Special Edition Y2KZERO China October 2001
Glacier 8.0 Beta1 Y2KZERO China December 2001
Glacier 8.0 Beta2 Y2KZERO China December 2001
Glacier 8.0 Y2KZERO China January 2002
Glacier 2002 XP Y2KZERO China February 2002
Glacier XX [JzNKooO] Y2KZERO China February 2002
Glacier 0.0 Y2KZERO China April 2002
Glacier 8.4 Y2KZERO China June 2002
Glacier ROSE Y2KZERO China June 2002
Glacier 2002 Y2KZERO China September 2002
Glacier XX4 Y2KZERO China December 2002
Glacier 5.3 Y2KZERO China March 2003
Glacier 2005 Y2KZERO China January 2005

This archive is an almost-complete reconstruction of the legendary Mega Security (also known as Kobayashi), a premier 90s-era "Trojan Database" where malware authors once showcased their work. After a decade offline, the site was brought back in August 2024 by its original creator, MasterRat, who authorized the Malware Gallery to host this modernized, searchable version of the collection. While the original site remains available for those seeking a nostalgic, old-school experience, we are proud to continue its legacy here. Full credit and thanks go to MasterRat and the retired Mega Security staff for their years of dedicated work in cataloging these historical samples.