Archive A Reconstructed © MegaSecurity Database

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Server:
dropped files:
c:\WINDOWS\system32\Zrjzmhau.dll    Size: 43,192 bytes 
c:\WINDOWS\system32\Zrjzmhau.ime    Size: 94,208 bytes 

added to registry:
HKEY_USERS\.DEFAULT\Software\Microsoft\Multimedia\DrawDib
HKEY_USERS\S-1-5-18\Software\Microsoft\Multimedia\DrawDib

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SENS\Parameters "ServiceDll"
old data: %SystemRoot%\system32\sens.dll 
new data: %SystemRoot%\System32\Zrjzmhau.dll 

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SENS\Parameters "ServiceDll"
old data: %SystemRoot%\system32\sens.dll 
new data: %SystemRoot%\System32\Zrjzmhau.dll 

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Services\sens\Parameters "ServiceDll"
data: %SystemRoot%\System32\Zrjzmhau.dll 



tested on Windows XP
July 11, 2007

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.