Nume:Worm/Koobface.UK
Descoperit pe data de:23/06/2009
Tip:Vierme
ITW:Da
Numar infectii raportate:Scazut
Potential de raspandire:Scazut
Potential de distrugere:Scazut spre mediu
Fisier static:Da
Marime:32.256 Bytes
MD5:07f715ff1894def468e59113ffccff88
Versiune IVDF:7.01.04.127 - Tuesday, June 23, 2009

 General Alias:
   •  Mcafee: W32/Koobface.worm.gen.e
   •  Sophos: W32/Koobfa-Gen
   •  Panda: W32/Koobface.C.worm
   •  Eset: Win32/Koobface.NCK
   •  Bitdefender: Win32.Worm.Koobface.UL


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


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

 Fisiere Se copiaza in urmatoarea locatie:
   • %WINDIR%\mstre19.exe



Sterge copia initiala a virusului.



Sterge urmatoarele fisiere:
   • c:\2.reg
   • %WINDIR%\22678h32.bat
   • C:\vx\x2.dat



Sunt create fisierele:

– %WINDIR%\jmmark2.dat
– %WINDIR%\22678h32.bat Fisierul este executat dupa ce a fost creat. Fisierul batch este folosit pentru stergerea unui fisier.



Incearca sa descarce un fisier:

– Adresele sunt urmatoarele:
   • http://er20090515.com/**********
   • http://upr15may.com/**********
   • http://upr0306.com/**********
   • http://lastshanse26032009.com/**********
   • http://uprtrishest.com/**********
La momentul realizarii descrierii, acest fisier nu era disponibil pentru o analiza ulterioara.

 Registrii sistemului Se adauga in registrii sistemului:

– [HKLM\SOFTWARE\Classes\Mime\Database\Content Type\
   application/xhtml+xml]
   • "CLSID"="{25336920-03F9-11cf-8FD0-00AA00686F13}"
   • "Encoding"=hex:08,00,00,00
   • "Extension"=".xml"



Urmatoarele chei din registri sunt modificate:

– [HKLM\SYSTEM\CurrentControlSet\Hardware Profiles\0001\Software\
   Microsoft\windows\CurrentVersion\Internet Settings]
   Noua valoare:
   • "ProxyEnable"=dword:0x00000000

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
   Noua valoare:
   • "MigrateProxy"=dword:0x00000001
   • "ProxyEnable"=dword:0x00000000

 Alte informatii Sir de caractere:
In plus, mai contine urmatoarele siruri de caractere:
   • http://messaging.myspace.com/index.cfm?fuseaction=mail.sentbox
   • http://profileedit.myspace.com/index.cfm?fuseaction=accountSettings.contactInfo
   • http://profileedit.myspace.com/index.cfm?fuseaction=profile.companies
   • http://profileedit.myspace.com/index.cfm?fuseaction=profile.schools
   • http://profileedit.myspace.com/index.cfm?fuseaction=profile.lifestyle
   • http://profileedit.myspace.com/index.cfm?fuseaction=profile.basic
   • http://profileedit.myspace.com/index.cfm?fuseaction=profile.interests
   • http://profileedit.myspace.com/index.cfm?fuseaction=profile.blurbs

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

Description inserted by Petre Galan on Friday, March 12, 2010
Description updated by Petre Galan on Friday, March 12, 2010

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