Nume:Worm/Agent.184320
Descoperit pe data de:10/10/2006
Tip:Vierme
ITW:Nu
Numar infectii raportate:Scazut
Potential de raspandire:Mediu
Potential de distrugere:Scazut spre mediu
Fisier static:Da
Marime:298.528 Bytes
MD5:8a1b5f56799b7bcc1751055e93c933a8
Versiune VDF:6.36.01.54
Versiune IVDF:6.36.01.57 - lunes 20 de noviembre de 2006

 General Metoda de raspandire:
   • Email


Alias:
   •  Kaspersky: Virus.Win32.VB.bp
   •  TrendMicro: WORM_VB.BOE
   •  Sophos: W32/Rungbu-B


Sistem de operare:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP


Efecte secundare:
   • Creeaza un fisier
   • Creeaza un fisier malware
   • Modificari in registri


Dupa activare, ruleaza un program Windows care afiseaza urmatoarea fereastra:


 Fisiere Se copiaza in urmatoarele locatii:
   • C:\lsass.exe
   • %SYSDIR%\dllhost.com
   • %WINDIR%\setup\dllhost.com
   • %HOME%\My Documents\Rated R Pictures.com
   • %WINDIR%\lsass.exe.exe
   • %WINDIR%\AutoRun.ini
   • %WINDIR%\MsWord.exe
   • %PROGRAM FILES%\philconst.exe
   • %WINDIR%\Downloaded Program Files\philconst.exe
   • %fisier sters%.scr



Creeaza urmatorul director:
   • %HOME%\My Documents\Rated R Pictures



Sterge fisierele care contin unul dintre urmatoarele texte:
   • .doc
   • .rtf



Sunt create fisierele:

– Fisiere inofensive:
   • %malware executiondirectory%\%fisier executat%.doc
   • %WINDIR%\OUTSETTN.REG

– %PROGRAM FILES%\microsoft frontpage\outlook.vbs Fisierul este executat dupa ce a fost creat. Analiza ulterioara a relevat ca si acest fisier este malware. Detectat ca: HEUR/Worm.Outlook.VBS

 Registrii sistemului Urmatoarele chei sunt adaugate in registri pentru a rula procesul la repornirea sistemului:

– HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\
   Run
   • @="%SYSDIR%\dllhost.com"

– HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
   • @="\lsass.exe"
   • "WinRun"="%WINDIR%\AutoRun.ini"



Urmatoarele chei sunt adaugate in registrii sistemului:

– HKCR\datfile\shell\open\command
   • @="\"%WINDIR%\setup\dllhost.com\" %1"

– KEY_CLASSES_ROOT\artfile\shell\open\command
   • @="\"%WINDIR%\setup\dllhost.com\" %1"

– HKCR\piffile\shell\open\command
   • @="\"%WINDIR%\setup\dllhost.com\" %1"

– HKCR\AVIFile\shell\open\command
   • @="\"%WINDIR%\setup\dllhost.com\" %1"

– HKCR\exefile
   • "NeverShowExt"=""

– HKCR\scrfile
   • @="Microsoft Word Document"
   • "NeverShowExt"=""

– HKCR\batfile
   • "NeverShowExt"=""

– HKCR\comfile
   • @="File Folder"

– HKCR\comfile\DefaultIcon
   • @=%SystemRoot%\System32\shell32.dll,3

– HKLM\SOFTWARE\Microsoft\Shared Tools\MSConfig\MSCrusher
   • "command"="shutdown -s -f -t 0"
   • "hkey"="HKCR"
   • "inimapping"="0"
   • "item"="Shutdowm"
   • "key"="batfile\\shell\\edit\\command"

– HKLM\SOFTWARE\Microsoft\Windows\System\DarkAngel
   • "Expiration-Bug"="3011"

– HKCR\batfile\shell\edit\command
   • @="shutdown -s -f -t 0"

– HKCR\inifile\shell\open\command
   • @="%1" %*"

– HKLM\SYSTEM\CurrentControlSet\Control\TimeZoneInformation
   • "ActiveTimeBias"=dword:ffffff88



Urmatoarele chei din registri sunt modificate:

Diverse setari in Explorer:
– HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer
   Vechea valoare:
   • "NoFolderOptions"=dword:00000000
   • "NoRun"=dword:00000000
   Noua valoare:
   • "NoFolderOptions"=dword:00000001
   • "NoRun"=dword:00000001

– HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\HideFileExt
   Noua valoare:
   • "CheckedValue"=dword:00000001

Dezactivarea programelor Regedit si Task Manager:
– HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
   Vechea valoare:
   • "DisableRegistryTools"=dword:00000000
   Noua valoare:
   • "DisableRegistryTools"=dword:00000001

 Email De la:
De la: Adresa expeditorului este chiar contul Outlook al utilizatorului


Catre:
– Adrese de email obtinute din WAB (Windows Address Book)


Subiect:
Urmatorul:
   • Read my letter for you



Corpul email-ului:
Corpul email-ului este:
   • this was created from the deep inside my heart.


Atasament:

Atasamentul este o copie malware.

 Terminarea proceselor Lista cu procesele oprite:
   • explorer.exe; avgctrl.exe; avgamsvr.exe; avgserv.exe; avginet.exe;
      avgupsvc.exe; avgemc.exe; avgnt.exe; avgregcl.exe; avgserv9.exe;
      avgw.exe; alogserv.exe; avsynmgr.exe; Mpfsheild.exe; MpfAgent.exe;
      mpf.exe; MpfConsole.exe; mcagent.exe; mcappins.exe; McDash.exe;
      mcdetect.exe; mcinfo.exe; mcmnhdlr.exe; mcshield.exe; mctskshd.exe;
      mcupdate.exe; mcvsescn.exe; mcvsshld.exe; mcvsftsn.exe; mcvsrte.exe;
      vstskmgr.exe; vsmain.exe; vshwin32.exe; pccpfw.exe; pccclient.exe;
      pcclient.exe; pccguide.exe; pccnt.exe; pccntmon.exe; pccntupd.exe;
      PcCtlCom.exe; pcscan.exe; avpm.exe; avpcc.exe; kav.exe; kavmm.exe;
      kavsvc.exe; AVENGINE.EXE; nisserv.exe; NISUM.exe; Navapsvc.exe;
      NMain.exe; Navapw32.exe; VetMsg.exe; VetTray.exe; Vet32.exe;
      VetNT.exe; vsmon.exe; zlclient.exe; zapro.exe; zonealarm.exe;
      APVXDWIN.EXE; AVLITE.EXE; AVLTMAIN.EXE; AVTASK.EXE; LUPGCONF.EXE;
      PAVSRV51.EXE; PavPrSrv.exe


 Detaliile fisierului Limbaj de programare:
 Limbaj de programare folosit: Visual Basic.


Compresia fisierului:
Pentru a ingreuna detectia si a reduce marimea fisierului, este folosit un program de compresie runtime.

Descripción insertada por Bogdan Iliuta el miércoles 8 de noviembre de 2006
Descripción actualizada por Bogdan Iliuta el miércoles 22 de noviembre de 2006

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