Archive A Reconstructed © MegaSecurity Database

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Server:
size: 12.348 bytes (unpacked)

* Main Features *

- Melt Server
- Extreme FW/AV Kill (Over 750 AV/FW in the list!)
- Encryption
- Small 32kb unpacked, with all options enabled (FW/AV kill, Melt, URLs etc)
- Ability to pack with either fsg or upx!
- Server has good Error Handling
- Easy to-use GUI
- If UPX packing is specified it also scrambles the Server =)
- If it cannot kill a process it operates silently without errors
- Runs in the background (Hidden from taskmgr etc etc)
- Ability to define wether downloads should be executed hiddenly, visible or don't execute at all   just download them...
- Undetected from ALL anti-virus software! Yup...
- No limitations on how many downloads that can be downloaded

* v0.7 changes: *
- Undetected.
- Stubs are Compiled in Visual Basic 5 (Thanks for suggestion Alchemist.)
- Using fsg 1.31 instead of 1.33 because it didn't like the new Stubs :(
- Both Stubs should be smaller. None AV-Stub is like 11kb Unpacked now.
- Clean-up in the "Client".
- Added ZoneAlarm Mutex Exploit By Alchemist to the AV/FW Stub.
- Much better FSG Scramble.

System33r

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.