Nume:TR/Renos.AT
Descoperit pe data de:01/09/2010
Tip:Troian
ITW:Da
Numar infectii raportate:Scazut
Potential de raspandire:Scazut
Potential de distrugere:Scazut
Fisier static:Da
Marime:311.808 Bytes
MD5:d86103fb5da2e507baab755cf1e2d4a4
Versiune IVDF:7.10.11.68 - Wednesday, September 1, 2010

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


Alias:
   •  Mcafee: Downloader-CEW.b
   •  Kaspersky: Trojan.Win32.FraudPack.biad
   •  F-Secure: W32/Malware!Gemini
   •  Sophos: Mal/FakeAV-CX
   •  PCTools: Trojan.FakeAV
   •  Eset: Win32/TrojanDownloader.FakeAlert.AVU
   •  Sunbelt: VirTool.Win32.Obfuscator.hg!b
   •  AhnLab: Win-Trojan/Fakeav.311808.S
   •  DrWeb: Trojan.MulDrop1.15267


Sistem de operare:
   • Windows 98
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows Server 2008
   • Windows 7


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

 Fisiere Este creat fisierul:

– %SYSDIR%\sshnas21.dll Fisierul este executat dupa ce a fost creat. Analiza ulterioara a relevat ca si acest fisier este malware. Detectat ca: TR/Renos.AB.4

 Registrii sistemului Urmatoarele chei sunt adaugate in registrii sistemului:

– [HKCU\Software\Microsoft\Handle]
   • "%combinatie de caractere aleatoare%"=dword:%valori hex%

– [HKLM\SYSTEM\CurrentControlSet\Services\SSHNAS]
   • "Type"=dword:%valori hex%
   • "Start"=dword:%valori hex%
   • "ErrorControl"=dword:%valori hex%
   • "ImagePath"=hex(2):%valori hex%
   • "DisplayName"="SSHNAS"
   • "ObjectName"="LocalSystem

– [HKLM\SYSTEM\CurrentControlSet\Services\SSHNAS\Parameters]
   • "ServiceDll"=hex(2):%valori hex%

– [HKLM\SYSTEM\CurrentControlSet\Services\SSHNAS\Security]
   • "Security"=hex:%valori hex%



Urmatoarea cheie din registri este modificata:

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SvcHost]
   Noua valoare:
   • "netsvcs"=hex(7):%valori hex%

Description inserted by Christoph Baumann on Thursday, September 2, 2010
Description updated by Christoph Baumann on Friday, September 3, 2010

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