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Date discovered:24/02/2011
In the wild:No
Reported Infections:Low to medium
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:195.072 Bytes
MD5 checksum:78be84dc1ef2e47c35f57ac726f69dbb
VDF version:
IVDF version:

 General Aliases:
   •  Kaspersky: Trojan.Win32.Diple.cun
   •  F-Secure: Trojan.Win32.Diple.cun
   •  Bitdefender: Trojan.Generic.KD.139730
   •  Eset: Win32/Kryptik.KZB
   •  GData: Trojan.Generic.KD.139730
   •  DrWeb: BackDoor.Gbot.20

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

Side effects:
   • Registry modification

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

The following file is created:

– %HOME%\Application Data\C826.657

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

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

 Miscellaneous  Checks for an internet connection by contacting the following web site:
Accesses internet resources:
   •**********?v84=%number%&tq=%character string%
   •**********?tq=%character string%
   •**********?v50=%number%&tq=%character string%
   •**********?v32=%number%&tq=%character string%

It creates the following Mutexes:
   • {7791C364-DE4E-4000-9E92-9CCAFDDD90DC}
   • {A5B35993-9674-43cd-8AC7-5BC5013E617B}
   • {B37C48AF-B05C-4520-8B38-2FE181D5DC78}
   • {61B98B86-5F44-42b3-BCA1-33904B067B81}

 File details Programming language:
The malware program was written in MS Visual C++.

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

Description inserted by Petre Galan on Wednesday, May 25, 2011
Description updated by Petre Galan on Wednesday, May 25, 2011

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