Backdoor.Win32.Delf.na
(Backdoor.Win32.Delf.na)

by ?

Written in Delphi, compressed with UPX

Probably made in Rumania

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dropped file:
c:\WINDOWS\njupdate.dll             Size: 199 bytes 
c:\WINDOWS\rundII32.exe             Size: 45,568 bytes 
c:\WINDOWS\system32\rundII32.exe    Size: 45,568 bytes 

port: 5879 TCP

added to registry:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LoadPowerProfile "(Default)"
data: RundII32.exe powerprof.dll,LoadCurrentPwrScheme 


attempts to connect to an IRC Server

tested on Windows XP
July 11, 2005

MegaSecurity