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Virus:TR/Kazy.15063.2
Date discovered:10/03/2011
Type:Trojan
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Medium
Static file:Yes
File size:168.448 Bytes
MD5 checksum:CAA13B954C5EE65AB5F6567F7AADE746
VDF version:7.10.09.149
IVDF version:7.11.04.163 - Thursday, March 10, 2011

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Kaspersky: Backdoor.Win32.Gbot.aeg
   •  TrendMicro: BKDR_CYCBOT.SMX
   •  Microsoft: Backdoor:Win32/Cycbot.B


Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows 7


Side effects:
   • Drops files
   • Registry modification
   • Steals information

 Files It copies itself to the following location:
   • %APPDATA%\Microsoft\conhost.exe



The following file is created:

– %APPDATA%\Microsoft\stor.cfg

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

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "conhost"="%APPDATA%\Microsoft\conhost.exe"



The following registry key is added:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
   • "ProxyServer"="http=127.0.0.1:50370"



The following registry keys are changed:

– [HKLM\SYSTEM\ControlSet001\Hardware Profiles\0001\Software\
   Microsoft\windows\CurrentVersion\Internet Settings]
   New value:
   • "ProxyEnable"=dword:00000001

– [HKLM\SYSTEM\ControlSet001\Hardware Profiles\Current\Software\
   Microsoft\windows\CurrentVersion\Internet Settings]
   New value:
   • "ProxyEnable"=dword:00000001

– [HKLM\SYSTEM\CurrentControlSet\Hardware Profiles\0001\Software\
   Microsoft\windows\CurrentVersion\Internet Settings]
   New value:
   • "ProxyEnable"=dword:00000001

– [HKLM\SYSTEM\CurrentControlSet\Hardware Profiles\Current\Software\
   Microsoft\windows\CurrentVersion\Internet Settings]
   New value:
   • "ProxyEnable"=dword:00000001

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
   New value:
   • "ProxyEnable"=dword:00000001

 Backdoor The following port is opened:

%executed file% on TCP port 50370 in order to provide a proxy server.


Contact server:
All of the following:
   • **********andandbarrett.com/images/footer/account.gif?v59=39&tq=gH**********
   • **********etf.com/index.html?tq=gK**********


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

Описание добавил Andrei Ilie в(о) понедельник, 24 октября 2011 г.
Описание обновил Andrei Ivanes в(о) пятница, 28 октября 2011 г.

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