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Nume:WORM/YahLover.D
Descoperit pe data de:18/01/2011
Tip:Vierme
ITW:Da
Numar infectii raportate:Scazut
Potential de raspandire:Scazut
Potential de distrugere:Mediu
Marime:1.235.420 Bytes
MD5:d9ffcf008eea91b395b54b661b2b12e5
Versiune VDF:7.10.07.249
Versiune IVDF:7.11.01.174 - marți, 18 ianuarie 2011

 General Metoda de raspandire:
   • Nu are rutina proprie de raspandire


Alias:
   •  Mcafee: W32/YahLover.worm
   •  Kaspersky: Worm.Win32.AutoIt.ql
   •  Bitdefender: Win32.Worm.YahLover.D
   •  Grisoft: Worm/AutoRun.HY
   •  Eset: Win32/Autoit.CM worm
   •  GData: Win32.Worm.YahLover.D
   •  Norman: New unknown virus W32/Obfuscated.H3!genr


Sistem de operare:
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows Server 2008
   • Windows 7


Efecte secundare:
   • Creeaza fisiere
   • Inregistreaza intrarile de la tastatura
   • Modificari in registri

 Fisiere Se copiaza in urmatoarele locatii:
   • %SYSDIR%\regsvr.exe
   • %WINDIR%\regsvr.exe



Sunt create fisierele:

– Fisiere inofensive:
   • %WINDIR%\winhelp.ini
   • %SYSDIR%\rundll.exe
   • %SYSDIR%\COMCTL32.OCX
   • %SYSDIR%\ijl11pro.dll
   • %SYSDIR%\MSINET.OCX
   • %SYSDIR%\winhelp.exe
   • %SYSDIR%\setup.ini

 Registrii sistemului Urmatoarele chei sunt adaugate in registri pentru a incarca serviciile la repornirea sistemului:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
   • "NofolderOptions"="dword:0x00000000"

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "Yahoo Messengger"="%SYSDIR%\regsvr.exe"



Se adauga in registrii sistemului:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System]
   • "DisableRegistryTools"="dword:0x00000001"
   • "DisableTaskMgr"="dword:0x00000000"



Urmatoarea cheie din registri este modificata:

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
   Vechea valoare:
   • "Shell"="Explorer.exe"
   • "System"=""
   Noua valoare:
   • "Shell"="Explorer.exe , rundll.exe"
   • "System"="Winhelp.exe"

 Alte informatii  Cauta o conexiune Internet, contactand urmatoarele site-uri web:
   • http://www.**********spider.net/**********.doc
   • http://www.**********spider.net/**********.xls

Description inserted by Wensin Lee on Wednesday, May 23, 2012
Description updated by Wensin Lee on Wednesday, May 23, 2012

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