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Trojan.PWS.Siggen2.3788

Aggiunto al database dei virus Dr.Web: 2018-06-26

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ctfmon.exe' = '<SYSTEM32>\ctfmon.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '949742095' = '<LS_APPDATA>\gwu.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'EnableFirewall' = '00000000'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'DoNotAllowExceptions' = '00000000'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'DisableNotifications' = '00000001'
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
  • Windows Update
blocks the following features:
  • Windows Security Center
Searches for registry branches where third party applications store passwords:
  • [<HKCU>\Software\Far\SavedDialogHistory\FTPHost]
  • [<HKCU>\Software\BPFTP]
  • [<HKCU>\Software\TurboFTP]
  • [<HKCU>\Software\Sota\FFFTP]
  • [<HKCU>\Software\Sota\FFFTP\Options]
  • [<HKCU>\Software\CoffeeCup Software\Internet\Profiles]
  • [<HKCU>\Software\FTPWare\COREFTP\Sites]
  • [<HKCU>\Software\VanDyke\SecureFX]
  • [<HKCU>\Software\Cryer\WebSitePublisher]
  • [<HKCU>\Software\ExpanDrive\Sessions]
  • [<HKLM>\Software\NCH Software\ClassicFTP\FTPAccounts]
  • [<HKCU>\Software\NCH Software\ClassicFTP\FTPAccounts]
  • [<HKCU>\SOFTWARE\NCH Software\Fling\Accounts]
  • [<HKLM>\SOFTWARE\NCH Software\Fling\Accounts]
  • [<HKCU>\Software\FTPClient\Sites]
  • [<HKLM>\Software\FTPClient\Sites]
  • [<HKCU>\Software\SoftX.org\FTPClient\Sites]
  • [<HKLM>\Software\SoftX.org\FTPClient\Sites]
  • [<HKCU>\Software\Martin Prikryl]
  • [<HKLM>\Software\Martin Prikryl]
  • [<HKCU>\Software\BulletProof Software\BulletProof FTP Client\Options]
  • [<HKCU>\Software\South River Technologies\WebDrive\Connections]
  • [<HKCU>\Software\BPFTP\Bullet Proof FTP\Options]
  • [<HKCU>\Software\BPFTP\Bullet Proof FTP\Main]
  • [<HKCU>\Software\Far2\SavedDialogHistory\FTPHost]
  • [<HKCU>\Software\Ghisler\Windows Commander]
  • [<HKCU>\Software\Ghisler\Total Commander]
  • [<HKLM>\Software\Ghisler\Windows Commander]
  • [<HKLM>\Software\Ghisler\Total Commander]
  • [<HKCU>\Software\GlobalSCAPE\CuteFTP 6 Home\QCToolbar]
  • [<HKCU>\Software\GlobalSCAPE\CuteFTP 6 Professional\QCToolbar]
  • [<HKCU>\Software\GlobalSCAPE\CuteFTP 7 Home\QCToolbar]
  • [<HKCU>\Software\GlobalSCAPE\CuteFTP 7 Professional\QCToolbar]
  • [<HKCU>\Software\GlobalSCAPE\CuteFTP 8 Home\QCToolbar]
  • [<HKCU>\Software\GlobalSCAPE\CuteFTP 8 Professional\QCToolbar]
  • [<HKCU>\Software\FlashFXP\3]
  • [<HKCU>\Software\FlashFXP]
  • [<HKLM>\Software\FlashFXP\3]
  • [<HKLM>\Software\FlashFXP]
  • [<HKCU>\Software\FileZilla]
  • [<HKCU>\Software\FileZilla Client]
  • [<HKLM>\Software\FileZilla]
  • [<HKLM>\Software\FileZilla Client]
  • [<HKCU>\Software\BulletProof Software\BulletProof FTP Client\Main]
  • [<HKLM>\Software\South River Technologies\WebDrive\Connections]
Modifies file system:
Creates the following files:
  • %TEMP%\iil1.tmp
  • %TEMP%\djyy.exe
  • %TEMP%\iilA.tmp
  • %HOMEPATH%\Templates\qdiu.exe
  • <LS_APPDATA>\cpwv.exe
  • %TEMP%\iilB.tmp
  • %ALLUSERSPROFILE%\Application Data\nxcr.exe
  • %TEMP%\iilC.tmp
  • %TEMP%\vwgh.exe
  • %TEMP%\iilD.tmp
  • %HOMEPATH%\Templates\xvhr.exe
  • %TEMP%\iilE.tmp
  • %TEMP%\iilF.tmp
  • %TEMP%\iil10.tmp
  • <LS_APPDATA>\n88kou6fl7n8y
  • %ALLUSERSPROFILE%\Application Data\n88kou6fl7n8y
  • %ALLUSERSPROFILE%\Application Data\igne.exe
  • %TEMP%\n88kou6fl7n8y
  • %TEMP%\iil9.tmp
  • %HOMEPATH%\Templates\ggvg.exe
  • %TEMP%\iil2.tmp
  • %TEMP%\iil3.tmp
  • %TEMP%\iil4.tmp
  • %TEMP%\iil5.tmp
  • %TEMP%\iil6.tmp
  • %TEMP%\iil7.tmp
  • %TEMP%\iil8.tmp
  • <LS_APPDATA>\gwu.exe
  • <LS_APPDATA>\dxdm.exe
  • %ALLUSERSPROFILE%\Application Data\xoud.exe
  • %TEMP%\pkgy.exe
  • %HOMEPATH%\Templates\gajd.exe
  • <LS_APPDATA>\rdhi.exe
  • %ALLUSERSPROFILE%\Application Data\bnbu.exe
  • %TEMP%\iwtc.exe
  • <LS_APPDATA>\lxcb.exe
  • %HOMEPATH%\Templates\n88kou6fl7n8y
Deletes the following files:
  • %TEMP%\iil1.tmp
  • %TEMP%\iilF.tmp
  • %TEMP%\iilE.tmp
  • %TEMP%\iilD.tmp
  • %TEMP%\iilC.tmp
  • %TEMP%\iilB.tmp
  • %TEMP%\iilA.tmp
  • %TEMP%\iil10.tmp
  • %TEMP%\iil9.tmp
  • %TEMP%\iil7.tmp
  • %TEMP%\iil6.tmp
  • %TEMP%\iil5.tmp
  • %TEMP%\iil4.tmp
  • %TEMP%\iil3.tmp
  • %TEMP%\iil2.tmp
  • %TEMP%\iil8.tmp
  • <Full path to file>
Network activity:
Connects to:
  • 'dy###owid.com':80
  • 'gi####fopupygy.com':80
  • 'bi###ebij.com':80
  • 'ma####vadorode.com':80
  • 'qu###ewyqa.com':80
  • 'ko####lepehavy.com':80
  • 'me####pulafod.com':80
  • 'ko###inamu.com':80
  • 'wu####litezum.com':80
  • 'he####bufusoz.com':80
  • 'di####mydupi.com':80
  • 'vu###uzuxil.com':80
  • 'ce####zugyky.com':80
  • 'ro###ymici.com':80
  • 'ly####fotoqy.com':80
  • 'so###yzev.com':80
  • 'wu###omovom.com':80
  • 'xe####kawuhady.com':80
  • 'so###urepu.com':80
  • 'vo####dacyfyki.com':80
  • 'zo###ymiz.com':80
  • 'qa####pojewiv.com':80
  • 'nu####jilamipu.com':80
  • 'vu####hevixaf.com':80
  • 'se####wytuzek.com':80
  • 'lo###ejav.com':80
  • 'bo####lawiqo.com':80
  • 'vi###oxis.com':80
  • 'co####tijixik.com':80
  • 'xo####mevotequ.com':80
TCP:
HTTP GET requests:
  • http://dy###owid.com/1003000312
  • http://gi####fopupygy.com/1003000312
  • http://bi###ebij.com/1003000312
  • http://ma####vadorode.com/1003000312
  • http://qu###ewyqa.com/1003000312
  • http://ko####lepehavy.com/1003000312
  • http://me####pulafod.com/1003000312
  • http://ko###inamu.com/1003000312
  • http://wu####litezum.com/1003000312
  • http://he####bufusoz.com/1003000312
  • http://di####mydupi.com/1003000312
  • http://vu###uzuxil.com/1003000312
  • http://ce####zugyky.com/1003000312
  • http://ro###ymici.com/1003000312
  • http://ly####fotoqy.com/1003000312
  • http://so###yzev.com/1003000312
  • http://wu###omovom.com/1003000312
  • http://xe####kawuhady.com/1003000312
  • http://so###urepu.com/1003000312
  • http://vo####dacyfyki.com/1003000312
  • http://zo###ymiz.com/1003000312
  • http://qa####pojewiv.com/1003000312
  • http://nu####jilamipu.com/1003000312
  • http://vu####hevixaf.com/1003000312
  • http://se####wytuzek.com/1003000312
  • http://lo###ejav.com/1003000312
  • http://bo####lawiqo.com/1003000312
  • http://vi###oxis.com/1003000312
  • http://co####tijixik.com/1003000312
  • http://xo####mevotequ.com/1003000312
UDP:
  • DNS ASK dy###owid.com
  • DNS ASK gi####fopupygy.com
  • DNS ASK bi###ebij.com
  • DNS ASK ma####vadorode.com
  • DNS ASK qu###ewyqa.com
  • DNS ASK ko####lepehavy.com
  • DNS ASK me####pulafod.com
  • DNS ASK ko###inamu.com
  • DNS ASK wu####litezum.com
  • DNS ASK he####bufusoz.com
  • DNS ASK di####mydupi.com
  • DNS ASK vu###uzuxil.com
  • DNS ASK ce####zugyky.com
  • DNS ASK ro###ymici.com
  • DNS ASK ly####fotoqy.com
  • DNS ASK so###yzev.com
  • DNS ASK wu###omovom.com
  • DNS ASK xe####kawuhady.com
  • DNS ASK so###urepu.com
  • DNS ASK vo####dacyfyki.com
  • DNS ASK zo###ymiz.com
  • DNS ASK qa####pojewiv.com
  • DNS ASK nu####jilamipu.com
  • DNS ASK vu####hevixaf.com
  • DNS ASK se####wytuzek.com
  • DNS ASK lo###ejav.com
  • DNS ASK bo####lawiqo.com
  • DNS ASK vi###oxis.com
  • DNS ASK co####tijixik.com
  • DNS ASK xo####mevotequ.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'g' WindowName: 'mo'
Creates and executes the following:
  • '<LS_APPDATA>\gwu.exe' -gav <Full path to file>

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
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After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

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  1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

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