Written in Visual Basic, compressed with UPX

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Backdoor.Win32.VB.aaf:
dropped file:
c:\WINDOWS\system32\Service.exe
size: 17,408 bytes 

startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run "99"
data: C:\WINDOWS\System32\Service.exe 





tested on Windows XP
July 07, 2005