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Virus:TR/Agent.69632
Date discovered:09/11/2006
Type:Worm
In the wild:No
Reported Infections:Low
Distribution Potential:Low to medium
Damage Potential:Low to medium
Static file:Yes
File size:69.632 Bytes
MD5 checksum:F3AC620DEF76EC88C7637433ABF1D980
VDF version:6.36.01.09 - Thursday, November 9, 2006
IVDF version:6.36.01.09 - Thursday, November 9, 2006

 General Method of propagation:
   • Autorun feature


Aliases:
   •  TrendMicro: WORM_PALEVO.VI
   •  Sophos: W32/Autorun-BRX
   •  Microsoft: Worm:Win32/Dorkbot


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


Side effects:
   • Drops files
   • Registry modification

 Files It copies itself to the following location:
   • %recycle bin%\R-1-5-21-1482476501-1644491937-682003330-1013\acleaner.exe



The following file is created:

%recycle bin%\R-1-5-21-1482476501-1644491937-682003330-1013\Desktop.ini This is a non malicious text file with the following content:
   • [.ShellClassInfo]
     CLSID={645FF040-5081-101B-9F08-00AA002F954E}

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

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
   • "Taskman"="%recycle bin%\R-1-5-21-1482476501-1644491937-682003330-1013\acleaner.exe"

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

Server: **********ka3ek.com
Port: 3321



– This malware has the ability to collect and send information such as:
    • Username
    • Information about the Windows operating system


– Furthermore it has the ability to perform actions such as:
    • connect to IRC server
    • disconnect from IRC server
    • Join IRC channel
    • Leave IRC channel

 Injection – It injects itself as a remote thread into a process.

    Process name:
   • explorer.exe


 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 Andrei Ilie on Thursday, October 13, 2011
Description updated by Andrei Ilie on Friday, October 14, 2011

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