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Date discovered:29/11/2009
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low to medium
Damage Potential:Low to medium
Static file:Yes
File size:761.856 Bytes
MD5 checksum:3679dff54db02506a14fb0ca8e3012f4
IVDF version:

 General Method of propagation:
   • Autorun feature

   •  Mcafee: W32/Autorun.worm
   •  Panda: W32/Autorun.JSA
   •  Eset: Win32/Dewnad.AD
   •  Bitdefender: Win32.Worm.Autorun.UW

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

Side effects:
   • Drops malicious files
   • Registry modification

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

The following files are created:

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


It tries to executes the following file:

– Filename:
   • "%home%\Application Data\Microsoft\svchost.exe"

 Registry One of the following values is added in order to run the process after reboot:

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

The following registry keys are added:

– [HKLM\SOFTWARE\Microsoft\RFC1156Agent\CurrentVersion\Parameters]
   • "TrapPollTimeMilliSecs"=dword:0x00003a98

– [HKLM\Software\Licenses]
   • "{0556AED8FA890C168}"=%character string%
   • "{I556AED8FA890C168}"=hex:06,00,00,00
   • "{K7C0DB872A3F777C0}"=%character string%
   • "{R7C0DB872A3F777C0}"=hex:FE,75,6D,35

– [HKLM\SOFTWARE\Classes\CLSID\{3C803AA2-7B10-5FD9-C7CC-F161F8A323F6}\
   • "@"="%SystemRoot%\system32\SHELL32.dll"
   • "ThreadingModel"="Apartment"

   • "@"="Folder View Host"
   • "DJuCks"="Xk~vkV|yVMo{UxaF{HRUFJ`"
   • "ahyrisrOc"="KFSdE@rvwZE|KHPCuX{Bj"
   • "guhash"="`DiuXO}^S^LEVkArTXIo"
   • "kCavHcuy"="jltcXVn]`Z_hJlrNgT|SzaY{rhmJq"
   • "lynmLvn"="Qm]KEVSFY{QRbzwZ_@Biq]lLLC"
   • "nnkjGeqzwjqmy"="]^zqqYElVaWgUL}kXGNi~Rk~Fo{"
   • "sMgeozrnrj"="K_[IrMd"
   • "ssgMeqT"="lccExJ`Kj{sG[GC@xIJpusxr|k"

 Backdoor The following port is opened:

– d90.no**********.info on TCP port 3085

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

Die Beschreibung wurde erstellt von Petre Galan am Donnerstag, 1. April 2010
Die Beschreibung wurde geändert von Petre Galan am Donnerstag, 1. April 2010

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