Zlovolně zašifrované soubory (.CRYPTED)
Napsal: 26 bře 2013 18:10
Dobrý den,
rád bych požádal o radu, co lze dělat v případě, že byl můj počítač napaden virem, který zašifroval většinu dokumentů v počítači uložených (doc, docx, xls, xlsx, pdf, jpg, mp3; nezašifroavné zůstaly např. ppt, pptx), přiřadil k nim příponu .CRYPTED a do každé složky vložil textový soubor nazvaný HOW TO DECRYPT FILES.txt s následujícím obsahem:
Attention!
Your files have been encrypted with 256-bit ecryption. This happend because you were infected with downloaded child porno.
To recover your files, you must send an email to llbfxhxgeaton@hotmail.com
We have a very quick decryption file, and of course we alone know the encryption key that has been used to encrypt your files. There will be a charge for our decryption software. More details in email. Have a good day.
Všechny programy, zdá se, běží normálně. Sice mám zálohovací systém, ale zálohy už byly z velké části těmi zašifrovanými soubory také přepsány.
Napadlo mě proto se zeptat zde, zda s tím nemá někdo zkušenosti.
Díky za každou radu,
Petr Hruška
Připojuji log z HijackThis:
Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 18:07:02, on 26.3.2013
Platform: Windows 7 SP1 (WinNT 6.00.3505)
MSIE: Internet Explorer v9.00 (9.00.8112.16470)
Boot mode: Normal
Running processes:
C:\Windows\system32\taskhost.exe
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Program Files\LogMeIn\x86\LogMeInSystray.exe
C:\Program Files\Realtek\Audio\HDA\RtHDVCpl.exe
C:\Windows\System32\igfxtray.exe
C:\Windows\System32\hkcmd.exe
C:\Windows\System32\igfxpers.exe
C:\Program Files\Cobian Backup 11\cbInterface.exe
C:\Program Files\ESET\ESET Smart Security\egui.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Mozilla Firefox\plugin-container.exe
C:\Windows\system32\Macromed\Flash\FlashPlayerPlugin_11_6_602_180.exe
C:\Windows\system32\Macromed\Flash\FlashPlayerPlugin_11_6_602_180.exe
C:\Windows\system32\NOTEPAD.EXE
D:\Trend Micro\HiJackThis\HiJackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Groove GFS Browser Helper - {72853161-30C5-4D22-B7F9-0BBC1D38A37E} - C:\PROGRA~1\MICROS~1\Office14\GROOVEEX.DLL
O2 - BHO: Windows Live ID Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Windows Live Messenger Companion Helper - {9FDDE16B-836F-4806-AB1F-1455CBEFF289} - C:\Program Files\Windows Live\Companion\companioncore.dll
O2 - BHO: URLRedirectionBHO - {B4F3A835-0E21-4959-BA22-42B3008E02FF} - C:\PROGRA~1\MICROS~1\Office14\URLREDIR.DLL
O4 - HKLM\..\Run: [LogMeIn GUI] "C:\Program Files\LogMeIn\x86\LogMeInSystray.exe"
O4 - HKLM\..\Run: [RTHDVCPL] C:\Program Files\Realtek\Audio\HDA\RtHDVCpl.exe -s
O4 - HKLM\..\Run: [BCSSync] "C:\Program Files\Microsoft Office\Office14\BCSSync.exe" /DelayServices
O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [IgfxTray] C:\Windows\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\Windows\system32\hkcmd.exe
O4 - HKLM\..\Run: [Persistence] C:\Windows\system32\igfxpers.exe
O4 - HKLM\..\Run: [Cobian Backup 11 interface] "C:\Program Files\Cobian Backup 11\cbInterface.exe" -service
O4 - HKLM\..\Run: [egui] "C:\Program Files\ESET\ESET Smart Security\egui.exe" /hide /waitservice
O4 - HKCU\..\Run: [Google Update] "C:\Users\kancelar\AppData\Local\Google\Update\GoogleUpdate.exe" /c
O4 - Global Startup: Microsoft Outlook 2010.lnk = ?
O8 - Extra context menu item: E&xportovat do aplikace Microsoft Excel - res://C:\PROGRA~1\MICROS~1\Office14\EXCEL.EXE/3000
O8 - Extra context menu item: Od&eslat do aplikace OneNote - res://C:\PROGRA~1\MICROS~1\Office14\ONBttnIE.dll/105
O9 - Extra button: @C:\Program Files\Windows Live\Companion\companionlang.dll,-600 - {0000036B-C524-4050-81A0-243669A86B9F} - C:\Program Files\Windows Live\Companion\companioncore.dll
O9 - Extra button: @C:\Program Files\Windows Live\Writer\WindowsLiveWriterShortcuts.dll,-1004 - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: @C:\Program Files\Windows Live\Writer\WindowsLiveWriterShortcuts.dll,-1003 - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Odeslat do aplikace OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\Program Files\Microsoft Office\Office14\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: Od&eslat do aplikace OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\Program Files\Microsoft Office\Office14\ONBttnIE.dll
O9 - Extra button: P&ropojené poznámky aplikace OneNote - {789FE86F-6FC4-46A1-9849-EDE0DB0C95CA} - C:\Program Files\Microsoft Office\Office14\ONBttnIELinkedNotes.dll
O9 - Extra 'Tools' menuitem: P&ropojené poznámky aplikace OneNote - {789FE86F-6FC4-46A1-9849-EDE0DB0C95CA} - C:\Program Files\Microsoft Office\Office14\ONBttnIELinkedNotes.dll
O10 - Unknown file in Winsock LSP: c:\program files\common files\microsoft shared\windows live\wlidnsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\common files\microsoft shared\windows live\wlidnsp.dll
O11 - Options group: [ACCELERATED_GRAPHICS] Accelerated graphics
O16 - DPF: {0D41B8C5-2599-4893-8183-00195EC8D5F9} (asusTek_sysctrl Class) - http://support.asus.com.tw/common/asusTek_sys_ctrl.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/pub/s ... wflash.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{8802C4F5-B26C-4750-A5A0-5D23C810C8B7}: NameServer = 8.8.8.8,8.8.4.4,4.2.2.1,4.2.2.2,208.67.222.222,208.67.220.220,8.26.56.26,8.20.247.20,156.154.70.1,156.154.71.1
O17 - HKLM\System\CS1\Services\Tcpip\..\{8802C4F5-B26C-4750-A5A0-5D23C810C8B7}: NameServer = 8.8.8.8,8.8.4.4,4.2.2.1,4.2.2.2,208.67.222.222,208.67.220.220,8.26.56.26,8.20.247.20,156.154.70.1,156.154.71.1
O17 - HKLM\System\CS2\Services\Tcpip\..\{8802C4F5-B26C-4750-A5A0-5D23C810C8B7}: NameServer = 8.8.8.8,8.8.4.4,4.2.2.1,4.2.2.2,208.67.222.222,208.67.220.220,8.26.56.26,8.20.247.20,156.154.70.1,156.154.71.1
O18 - Protocol: wlpg - {E43EF6CD-A37A-4A9B-9E6F-83F89B8E6324} - C:\Program Files\Windows Live\Photo Gallery\AlbumDownloadProtocolHandler.dll
O18 - Filter hijack: text/xml - {807573E5-5146-11D5-A672-00B0D022E945} - C:\Program Files\Common Files\Microsoft Shared\OFFICE14\MSOXMLMF.DLL
O23 - Service: Adobe Acrobat Update Service (AdobeARMservice) - Adobe Systems Incorporated - C:\Program Files\Common Files\Adobe\ARM\1.0\armsvc.exe
O23 - Service: Adobe Flash Player Update Service (AdobeFlashPlayerUpdateSvc) - Adobe Systems Incorporated - C:\Windows\system32\Macromed\Flash\FlashPlayerUpdateService.exe
O23 - Service: C2PublicFolders - CodeTwo(R) - C:\Program Files\CodeTwo\CodeTwo PublicFolders Server\C2PublicFoldersServer.exe
O23 - Service: C2PublicFoldersBackupService - CodeTwo(R) - C:\Program Files\CodeTwo\CodeTwo PublicFolders Server\C2PublicFoldersBackupService.exe
O23 - Service: Cobian Backup 11 Stínová kopie - Requester (cbVSCService11) - CobianSoft, Luis Cobian - C:\Program Files\Cobian Backup 11\cbVSCService11.exe
O23 - Service: Cobian Backup 11 Gravity (CobianBackup11) - Luis Cobian, CobianSoft - C:\Program Files\Cobian Backup 11\cbService.exe
O23 - Service: Intel(R) Content Protection HECI Service (cphs) - Intel Corporation - C:\Windows\system32\IntelCpHeciSvc.exe
O23 - Service: ESET Service (ekrn) - ESET - C:\Program Files\ESET\ESET Smart Security\ekrn.exe
O23 - Service: LMIGuardianSvc - LogMeIn, Inc. - C:\Program Files\LogMeIn\x86\LMIGuardianSvc.exe
O23 - Service: LogMeIn Maintenance Service (LMIMaint) - LogMeIn, Inc. - C:\Program Files\LogMeIn\x86\RaMaint.exe
O23 - Service: LogMeIn - LogMeIn, Inc. - C:\Program Files\LogMeIn\x86\LogMeIn.exe
O23 - Service: Mozilla Maintenance Service (MozillaMaintenance) - Mozilla Foundation - C:\Program Files\Mozilla Maintenance Service\maintenanceservice.exe
O23 - Service: OpenVPN Service (OpenVPNService) - Unknown owner - C:\Program Files\OpenVPN\bin\openvpnserv.exe
--
End of file - 8087 bytes
rád bych požádal o radu, co lze dělat v případě, že byl můj počítač napaden virem, který zašifroval většinu dokumentů v počítači uložených (doc, docx, xls, xlsx, pdf, jpg, mp3; nezašifroavné zůstaly např. ppt, pptx), přiřadil k nim příponu .CRYPTED a do každé složky vložil textový soubor nazvaný HOW TO DECRYPT FILES.txt s následujícím obsahem:
Attention!
Your files have been encrypted with 256-bit ecryption. This happend because you were infected with downloaded child porno.
To recover your files, you must send an email to llbfxhxgeaton@hotmail.com
We have a very quick decryption file, and of course we alone know the encryption key that has been used to encrypt your files. There will be a charge for our decryption software. More details in email. Have a good day.
Všechny programy, zdá se, běží normálně. Sice mám zálohovací systém, ale zálohy už byly z velké části těmi zašifrovanými soubory také přepsány.
Napadlo mě proto se zeptat zde, zda s tím nemá někdo zkušenosti.
Díky za každou radu,
Petr Hruška
Připojuji log z HijackThis:
Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 18:07:02, on 26.3.2013
Platform: Windows 7 SP1 (WinNT 6.00.3505)
MSIE: Internet Explorer v9.00 (9.00.8112.16470)
Boot mode: Normal
Running processes:
C:\Windows\system32\taskhost.exe
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Program Files\LogMeIn\x86\LogMeInSystray.exe
C:\Program Files\Realtek\Audio\HDA\RtHDVCpl.exe
C:\Windows\System32\igfxtray.exe
C:\Windows\System32\hkcmd.exe
C:\Windows\System32\igfxpers.exe
C:\Program Files\Cobian Backup 11\cbInterface.exe
C:\Program Files\ESET\ESET Smart Security\egui.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Mozilla Firefox\plugin-container.exe
C:\Windows\system32\Macromed\Flash\FlashPlayerPlugin_11_6_602_180.exe
C:\Windows\system32\Macromed\Flash\FlashPlayerPlugin_11_6_602_180.exe
C:\Windows\system32\NOTEPAD.EXE
D:\Trend Micro\HiJackThis\HiJackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Groove GFS Browser Helper - {72853161-30C5-4D22-B7F9-0BBC1D38A37E} - C:\PROGRA~1\MICROS~1\Office14\GROOVEEX.DLL
O2 - BHO: Windows Live ID Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Windows Live Messenger Companion Helper - {9FDDE16B-836F-4806-AB1F-1455CBEFF289} - C:\Program Files\Windows Live\Companion\companioncore.dll
O2 - BHO: URLRedirectionBHO - {B4F3A835-0E21-4959-BA22-42B3008E02FF} - C:\PROGRA~1\MICROS~1\Office14\URLREDIR.DLL
O4 - HKLM\..\Run: [LogMeIn GUI] "C:\Program Files\LogMeIn\x86\LogMeInSystray.exe"
O4 - HKLM\..\Run: [RTHDVCPL] C:\Program Files\Realtek\Audio\HDA\RtHDVCpl.exe -s
O4 - HKLM\..\Run: [BCSSync] "C:\Program Files\Microsoft Office\Office14\BCSSync.exe" /DelayServices
O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [IgfxTray] C:\Windows\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\Windows\system32\hkcmd.exe
O4 - HKLM\..\Run: [Persistence] C:\Windows\system32\igfxpers.exe
O4 - HKLM\..\Run: [Cobian Backup 11 interface] "C:\Program Files\Cobian Backup 11\cbInterface.exe" -service
O4 - HKLM\..\Run: [egui] "C:\Program Files\ESET\ESET Smart Security\egui.exe" /hide /waitservice
O4 - HKCU\..\Run: [Google Update] "C:\Users\kancelar\AppData\Local\Google\Update\GoogleUpdate.exe" /c
O4 - Global Startup: Microsoft Outlook 2010.lnk = ?
O8 - Extra context menu item: E&xportovat do aplikace Microsoft Excel - res://C:\PROGRA~1\MICROS~1\Office14\EXCEL.EXE/3000
O8 - Extra context menu item: Od&eslat do aplikace OneNote - res://C:\PROGRA~1\MICROS~1\Office14\ONBttnIE.dll/105
O9 - Extra button: @C:\Program Files\Windows Live\Companion\companionlang.dll,-600 - {0000036B-C524-4050-81A0-243669A86B9F} - C:\Program Files\Windows Live\Companion\companioncore.dll
O9 - Extra button: @C:\Program Files\Windows Live\Writer\WindowsLiveWriterShortcuts.dll,-1004 - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: @C:\Program Files\Windows Live\Writer\WindowsLiveWriterShortcuts.dll,-1003 - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Odeslat do aplikace OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\Program Files\Microsoft Office\Office14\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: Od&eslat do aplikace OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\Program Files\Microsoft Office\Office14\ONBttnIE.dll
O9 - Extra button: P&ropojené poznámky aplikace OneNote - {789FE86F-6FC4-46A1-9849-EDE0DB0C95CA} - C:\Program Files\Microsoft Office\Office14\ONBttnIELinkedNotes.dll
O9 - Extra 'Tools' menuitem: P&ropojené poznámky aplikace OneNote - {789FE86F-6FC4-46A1-9849-EDE0DB0C95CA} - C:\Program Files\Microsoft Office\Office14\ONBttnIELinkedNotes.dll
O10 - Unknown file in Winsock LSP: c:\program files\common files\microsoft shared\windows live\wlidnsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\common files\microsoft shared\windows live\wlidnsp.dll
O11 - Options group: [ACCELERATED_GRAPHICS] Accelerated graphics
O16 - DPF: {0D41B8C5-2599-4893-8183-00195EC8D5F9} (asusTek_sysctrl Class) - http://support.asus.com.tw/common/asusTek_sys_ctrl.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/pub/s ... wflash.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{8802C4F5-B26C-4750-A5A0-5D23C810C8B7}: NameServer = 8.8.8.8,8.8.4.4,4.2.2.1,4.2.2.2,208.67.222.222,208.67.220.220,8.26.56.26,8.20.247.20,156.154.70.1,156.154.71.1
O17 - HKLM\System\CS1\Services\Tcpip\..\{8802C4F5-B26C-4750-A5A0-5D23C810C8B7}: NameServer = 8.8.8.8,8.8.4.4,4.2.2.1,4.2.2.2,208.67.222.222,208.67.220.220,8.26.56.26,8.20.247.20,156.154.70.1,156.154.71.1
O17 - HKLM\System\CS2\Services\Tcpip\..\{8802C4F5-B26C-4750-A5A0-5D23C810C8B7}: NameServer = 8.8.8.8,8.8.4.4,4.2.2.1,4.2.2.2,208.67.222.222,208.67.220.220,8.26.56.26,8.20.247.20,156.154.70.1,156.154.71.1
O18 - Protocol: wlpg - {E43EF6CD-A37A-4A9B-9E6F-83F89B8E6324} - C:\Program Files\Windows Live\Photo Gallery\AlbumDownloadProtocolHandler.dll
O18 - Filter hijack: text/xml - {807573E5-5146-11D5-A672-00B0D022E945} - C:\Program Files\Common Files\Microsoft Shared\OFFICE14\MSOXMLMF.DLL
O23 - Service: Adobe Acrobat Update Service (AdobeARMservice) - Adobe Systems Incorporated - C:\Program Files\Common Files\Adobe\ARM\1.0\armsvc.exe
O23 - Service: Adobe Flash Player Update Service (AdobeFlashPlayerUpdateSvc) - Adobe Systems Incorporated - C:\Windows\system32\Macromed\Flash\FlashPlayerUpdateService.exe
O23 - Service: C2PublicFolders - CodeTwo(R) - C:\Program Files\CodeTwo\CodeTwo PublicFolders Server\C2PublicFoldersServer.exe
O23 - Service: C2PublicFoldersBackupService - CodeTwo(R) - C:\Program Files\CodeTwo\CodeTwo PublicFolders Server\C2PublicFoldersBackupService.exe
O23 - Service: Cobian Backup 11 Stínová kopie - Requester (cbVSCService11) - CobianSoft, Luis Cobian - C:\Program Files\Cobian Backup 11\cbVSCService11.exe
O23 - Service: Cobian Backup 11 Gravity (CobianBackup11) - Luis Cobian, CobianSoft - C:\Program Files\Cobian Backup 11\cbService.exe
O23 - Service: Intel(R) Content Protection HECI Service (cphs) - Intel Corporation - C:\Windows\system32\IntelCpHeciSvc.exe
O23 - Service: ESET Service (ekrn) - ESET - C:\Program Files\ESET\ESET Smart Security\ekrn.exe
O23 - Service: LMIGuardianSvc - LogMeIn, Inc. - C:\Program Files\LogMeIn\x86\LMIGuardianSvc.exe
O23 - Service: LogMeIn Maintenance Service (LMIMaint) - LogMeIn, Inc. - C:\Program Files\LogMeIn\x86\RaMaint.exe
O23 - Service: LogMeIn - LogMeIn, Inc. - C:\Program Files\LogMeIn\x86\LogMeIn.exe
O23 - Service: Mozilla Maintenance Service (MozillaMaintenance) - Mozilla Foundation - C:\Program Files\Mozilla Maintenance Service\maintenanceservice.exe
O23 - Service: OpenVPN Service (OpenVPNService) - Unknown owner - C:\Program Files\OpenVPN\bin\openvpnserv.exe
--
End of file - 8087 bytes