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Nume:TR/Fake.Rean.2000
Descoperit pe data de:19/05/2011
Tip:Troian
ITW:Da
Numar infectii raportate:Scazut
Potential de raspandire:Scazut
Potential de distrugere:Scazut spre mediu
Fisier static:Da
Marime:331.776 Bytes
MD5:CA18B9A0A795F34DDECFF047F63FF188
Versiune VDF:7.11.08.67 - quinta-feira, 19 de maio de 2011
Versiune IVDF:7.11.08.67 - quinta-feira, 19 de maio de 2011

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


Alias:
   •  TrendMicro: TROJ_FAKEAV.HXZ
   •  Sophos: Mal/FakeAV-JR
   •  Microsoft: Rogue:Win32/FakeRean


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


Efecte secundare:
   • Blocheaza accesul la website-uri ale firmelor de securitate
   • Creeaza fisiere
   • Reduce setarile de securitate
   • Modificari in registri


Imediat dupa lansarea in executie, pe ecran este afisat:




 Fisiere Se copiaza in urmatoarea locatie:
   • %HOME%\Local Settings\Application Data\%combinatie de caractere aleatoare%.exe



Sterge copia initiala a virusului.



Sunt create fisierele:

– %TEMPDIR%\i05d3j1a3d2v4e7h23351jay55r4w
– %ALLUSERSPROFILE%\Application Data\i05d3j1a3d2v4e7h23351jay55r4w
– %HOME%\Local Settings\Application Data\i05d3j1a3d2v4e7h23351jay55r4w
– %TEMPDIR%\i05d3j1a3d2v4e7h23351jay55r4w
– %HOME%\Templates\i05d3j1a3d2v4e7h23351jay55r4w

 Registrii sistemului Urmatoarele chei sunt adaugate in registrii sistemului:

– [HKLM\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\
   FirewallPolicy\StandardProfile]
   • "DoNotAllowExceptions"=dword:00000000
   • "EnableFirewall"=dword:00000000
   • "DisableNotifications"=dword:00000001

– [HKLM\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\
   FirewallPolicy\DomainProfile]
   • "EnableFirewall"=dword:00000000
   • "DoNotAllowExceptions"=dword:00000000
   • "DisableNotifications"=dword:00000001

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

– [HKCR\.exe\shell\open\command]
   • "(Default)"="\"%HOME%\Local Settings\Application Data\\%combinatie de caractere aleatoare%.exe\" -a \"%1\" %*"
   • "IsolatedCommand"="\"%1\" %*"

– [HKCR\exefile\shell\open\command]
   • "(Default)"="\"%HOME%\Local Settings\Application Data\\%combinatie de caractere aleatoare%.exe\" -a \"%1\" %*"
   • "IsolatedCommand"="\"%1\" %*"

– [HKCR\exefile\shell\runas\command]
   • "(Default)"="\"%1\" %*"
   • "IsolatedCommand"="\"%1\" %*"

– [HKLM\SOFTWARE\Clients\StartMenuInternet\IEXPLORE.EXE\shell\open\
   command]
   • "(Default)"="\"%HOME%\Local Settings\Application Data\\%combinatie de caractere aleatoare%.exe\" -a \"%PROGRAM FILES%\Intern"



Urmatoarea cheie din registri este modificata:

– [HKLM\SOFTWARE\Microsoft\Security Center]
   Noua valoare:
   • "AntiVirusDisableNotify"=dword:00000001
   • "FirewallDisableNotify"=dword:00000001
   • "FirewallOverride"=dword:00000001
   • "UpdatesDisableNotify"=dword:00000001
   • "AntiVirusOverride"=dword:00000001

 Injectarea codului malware in alte procese – Se injecteaza ca un thread remote intr-un proces.

    Numele procesului:
   • iexplore.exe


 Alte informatii Acceseaza resurse de pe internet:
   • **********ifyzadiby.com/1013000412;
      **********upinycom.com/1013000412;
      **********ecolun.com/1013000412;
      **********epelihyzex.com/1013000412;
      **********eriwihat.com/1013000412;
      **********idicawisos.com/1013000412;
      **********ipabamefuw.com/1013000412;
      **********ucerybaqecy.com/1013000412;
      **********ylocimemyja.com/1013000412;
      **********oralipijago.com/1013000412;
      **********ykacagatet.com/1013000412;
      **********ipemura.com/1013000412;
      **********ulipum.com/1013000412;
      **********awekugygil.com/1013000412;
      **********ujykolenuja.com/1013000412

Descrição enviada por Andrei Ilie em terça-feira, 16 de agosto de 2011
Descrição atualizada por Andrei Ilie em terça-feira, 16 de agosto de 2011

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