Archive A Reconstructed © MegaSecurity Database

• a
• b
• c
• d
• e
• f
• g
• h
• i
• j
• k
• l
• m
• n
• o
• p
• q
• r
• s
• t
• u
• v
• w
• x
• y
• z
• other

Server:
dropped files:
c:\WINDOWS\cmd.dll                Size: 823,296 bytes 
c:\WINDOWS\foto.jpg               Size: 11,968 bytes 
c:\WINDOWS\Regedit.ocx            Size: 823,296 bytes 
c:\WINDOWS\system32\Explorer.dll  Size: 823,296 bytes 
c:\WINDOWS\system32\Kernel32.ocx  Size: 823,296 bytes 

port: 2003, 2004 TCP 

added to registry:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon "Shell"
old data: Explorer.exe 
new data: explorer.exe C:\WINDOWS\System32\Explorer.dll 

HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows "run"
data: C:\WINDOWS\Regedit.ocx 

HKEY_CLASSES_ROOT\dllfile\shell\open\command "(Default)"
data: %1 

HKEY_CLASSES_ROOT\ocxfile\shell\open\command "(Default)"
data: %1 

HKEY_CLASSES_ROOT\sysfile\shell\open\command "(Default)"
data: %1 

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run "Microsoft Windows"
data: C:\WINDOWS\cmd.dll 




tested on Windows XP
February 15, 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.