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TR/Krotten.W.1 - Trojan
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In breve
Descrizione completa
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Nome del virus:
TR/Krotten.W.1
Scoperto:
02/02/2006
Tipo:
Trojan
In circolazione (ITW):
No
Numero delle infezioni segnalate:
Basso
Potenziale di propagazione:
Basso
Potenziale di danni:
Basso
File statico:
Si
Dimensione del file:
54.565 Byte
Somma di controllo MD5:
fb5c2265f8aec5ef7282ffd1e26bb1b3
Versione VDF:
6.33.00.187
Versione del motore:
54.565
Generale
Metodo di propagazione:
• Nessuna propria procedura di propagazione
Alias:
• Kaspersky: Trojan.Win32.Krotten.ao
Piattaforme / Sistemi operativi:
• Windows 95
• Windows 98
• Windows 98 SE
• Windows NT
• Windows ME
• Windows 2000
• Windows XP
• Windows 2003
Effetti secondari:
• Modifica del registro
Giusto dopo l'esecuzione viene visualizzata la seguente informazione:
Registro
Le seguenti chiavi di registro vengono aggiunte per eseguire i processi dopo il riavvio:
– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
• AVPCC =
%WINDIR%
\Cursors\avp.exe
• svchost =
%WINDIR%
\Web\rundll32.exe
Le seguenti chiavi di registro che includono tutti i valori e le sottochiavi, vengono rimosse:
• [HKCR\regfile\shell\open\command]
• [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\MyComputer\NameSpace\DelegateFolders\{59031a47-3f72-44a7-89c5-5595fe6b30ee}]
Vengono cambiate le seguenti chiavi di registro:
Varie opzioni di Explorer:
– [HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
Nuovo valore:
• NoViewOnDrive = dword:00000001
• NoActiveDesktop = dword:00000001
• NoDesktop = dword:00000001
• NoSMMyDocs = dword:00000001
• NoStartMenuMyMusic = dword:00000001
• NoSMMyPictures = dword:00000001
• NoCommonGroups = dword:00000001
• NoStartMenuSubFolders = dword:00000001
• NoStartMenuMFUprogramsList = dword:00000001
• NoStartMenuPinnedList = dword:00000001
– [HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer]
Nuovo valore:
• NoViewContextMenu = dword:00000001
– [HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
Nuovo valore:
• Start_ShowRun = dword:00000000
– [HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
Nuovo valore:
• Start_ShowRun = dword:00000000
– [HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
Nuovo valore:
• NoManageMyComputerVerb = dword:00000001
• NoNetHood = dword:00000001
• NoPrinters = dword:00000001
• NoPrinterTabs = dword:00000001
• NoSMHelp = dword:00000001
• NoThemesTab = dword:00000001
• NoToolbarCustomize = dword:00000001
• NoUserNameInStartMenu = dword:00000001
• NoSaveSettings = dword:00000001
• NoClose = dword:00000001
• NoLogOff = dword:00000001
• NoRecentDocsMenu = dword:00000001
• NoFavoritesMenu = dword:00000001
• NoFind = dword:00000001
• NoRun = dword:00000001
• NoDrives = dword:00000014
• NoControlPanel = dword:00000001
• NoViewOnDrive = dword:00000001
• NoActiveDesktop = dword:00000001
• NoDesktop = dword:00000001
• NoSMMyDocs = dword:00000001
• NoStartMenuMyMusic = dword:00000001
• NoSMMyPictures = dword:00000001
• NoCommonGroups = dword:00000001
• NoStartMenuSubFolders = dword:00000001
• NoStartMenuMFUprogramsList = dword:00000001
• NoStartMenuPinnedList = dword:00000001
– [HKCU\Control Panel\Desktop]
Nuovo valore:
• MenuShowDelay = 9999
• WallpaperOriginY = 187
• WallpaperOriginX = 210
Disattiva il Regedit e il Task Manager:
– [HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System]
Nuovo valore:
• DisableRegistryTools = dword:00000001
• NoDispCPL = dword:00000001
• DisableTaskMgr = dword:00000001
– [HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System]
Nuovo valore:
• DisableRegistryTools = dword:00000001
• NoDispCPL = dword:00000001
• DisableTaskMgr = dword:00000001
Pagina iniziale di Internet Explorer:
– [HKCU\Software\Microsoft\Internet Explorer\Main]
Valore precedente:
• Start Page =
%impostazioni definite dell'utente%
Nuovo valore:
• Start Page = http://poetry.rot**********
– [HKEY_LOCAL_NACHINE\Software\Microsoft\Internet Explorer\Main]
Valore precedente:
• Start Page =
%impostazioni definite dell'utente%
Nuovo valore:
• Start Page = http://poetry.rot**********
– [HKCU\Software\Microsoft\Internet Explorer\Main]
Nuovo valore:
• NoManageMyComputerVerb = dword:00000001
• NoNetHood = dword:00000001
• NoPrinters = dword:00000001
• NoPrinterTabs = dword:00000001
• NoSMHelp = dword:00000001
• NoThemesTab = dword:00000001
• NoToolbarCustomize = dword:00000001
• NoUserNameInStartMenu = dword:00000001
• NoSaveSettings = dword:00000001
• NoClose = dword:00000001
• NoLogOff = dword:00000001
• NoRecentDocsMenu = dword:00000001
• NoFavoritesMenu = dword:00000001
• NoFind = dword:00000001
• NoRun = dword:00000001
• NoDrives = dword:00000014
• NoControlPanel = dword:00000001
• Window title = :::::::::::::::::: ß ÏÅÒÓØÈÍÍÀß ÁËßÄÜ Ñ ÃÍÈËÎÉ ÆÎÏÎÉ ::::::::::::::::::
– [HKLM\Software\Microsoft\Internet Explorer\Main]
Nuovo valore:
• NoManageMyComputerVerb = dword:00000001
• NoNetHood = dword:00000001
• NoPrinters = dword:00000001
• NoPrinterTabs = dword:00000001
• NoSMHelp = dword:00000001
• NoThemesTab = dword:00000001
• NoToolbarCustomize = dword:00000001
• NoUserNameInStartMenu = dword:00000001
• NoSaveSettings = dword:00000001
• NoClose = dword:00000001
• NoLogOff = dword:00000001
• NoRecentDocsMenu = dword:00000001
• NoFavoritesMenu = dword:00000001
• NoFind = dword:00000001
• NoRun = dword:00000001
• NoDrives = dword:00000014
• NoControlPanel = dword:00000001
• Window title = :::::::::::::::::: ß ÏÅÒÓØÈÍÍÀß ÁËßÄÜ Ñ ÃÍÈËÎÉ ÆÎÏÎÉ ::::::::::::::::::
– [HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\NonEnum]
Nuovo valore:
• {20D04FE0-3AEA-1069-A2D8-08002B30309D} = dword:00000001
– [HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Uninstall]
Nuovo valore:
• NoAddRemovePrograms = dword:00000001
Dettagli del file
Linguaggio di programmazione:
Il malware è stato scritto in MS Visual C++.
Per la descrizione "in breve" clicca
qui
.
Descrizione inserita da Andrei Gherman il Wed, 08 Mar 2006 11:11 (GMT+1)
Descrizione aggiornata da Andrei Gherman il Wed, 08 Mar 2006 11:31 (GMT+1)
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