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Date discovered:26/07/2010
Type:Backdoor Server
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Medium
Static file:Yes
File size:199.680 Bytes
MD5 checksum:05dab5cd42e49c937cb6da56910c4748
IVDF version:

 General Method of propagation:
   • Autorun feature

   •  Panda: W32/IrcBot.CYL.worm
   •  Eset: Win32/AutoRun.Agent.WW

Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003

Side effects:
   • Third party control
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following locations:
   • %HOME%\Application Data\svchost.exe
   • %drive%\ProductInstall\Install.exe

The following file is created:

%drive%\autorun.inf This is a non malicious text file with the following content:
   • %code that runs malware%

It tries to execute the following files:

– Filename:
   • "%HOME%\Application Data\svchost.exe" [NEW]

– Filename:
   • %HOME%\Application Data\svchost.exe

 Registry The following registry key is added in order to run the process after reboot:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "Windows Services"="%HOME%\Application Data\svchost.exe"

 IRC To deliver system information and to provide remote control it connects to the following IRC Server:

Server: isurfthenet.dyn**********.info
Port: 4598
Channel: #three
Nickname: [USA]%number%

 Miscellaneous Mutex:
It creates the following Mutex:

 File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

Descripción insertada por Petre Galan el lunes, 8 de noviembre de 2010
Descripción actualizada por Petre Galan el jueves, 11 de noviembre de 2010

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