Need help? Ask the community or hire an expert.
Go to Avira Answers
Virus:Worm/IrcBot.43520.3
Date discovered:29/05/2007
Type:Worm
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low
Damage Potential:Medium
Static file:Yes
File size:43.520 Bytes
MD5 checksum:7e4264605e386817a08b4efa0a2fd327
IVDF version:6.38.01.198 - Tuesday, May 29, 2007

 General Aliases:
   •  Mcafee: W32/Spybot.worm
   •  Panda: W32/Gaobot.OXI.worm
   •  Eset: Win32/Lethic.AA
   •  Bitdefender: Backdoor.Bot.118291


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


Side effects:
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following location:
   • %recycle bin%\%CLSID%\budau44.exe



The following file is created:

– %recycle bin%\%CLSID%\Desktop.ini

 Registry The following registry keys are added in order to run the processes after reboot:

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
   • "Taskman"="%recycle bin%\%CLSID%\budau44.exe"

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "puda4"="%recycle bin%\%CLSID%\budau44.exe"

– [HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
   • "Shell"="explorer.exe,%recycle bin%\%CLSID%\budau44.exe"

 Backdoor The following port is opened:

– buda.pes**********.biz on TCP port 8800

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

    Process name:
   • explorer.exe


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

설명 삽입자 Petre Galan   2010년 5월 27일 목요일
설명 업데이트 Petre Galan   2010년 5월 27일 목요일

뒤로 . . . .
https:// 이 창은 보안을 위해 암호화되었습니다.