Trojan.DownLoad2.51155

Техническая информация

Для обеспечения автозапуска и распространения:

Модифицирует следующие ключи реестра:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'spoolcv.exe' = '<SYSTEM32>\spoolcv.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'udp.exe' = '<SYSTEM32>\udp.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Deluxe Tree' = '<SYSTEM32>\mas.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'svghost.exe' = '<SYSTEM32>\svghost.exe'

Вредоносные функции:

Для обхода брандмауэра удаляет или модифицирует следующие ключи реестра:

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\udp.exe' = '<SYSTEM32>\udp.exe:*:Enabled:Generic Host Process for Win32 UDP Services'
[<HKLM>\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\udp.exe' = '<SYSTEM32>\udp.exe:*:Enabled:Generic Host Process for Win32 UDP Services'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\udp.exe' = '<SYSTEM32>\udp.exe:*:Enabled:Generic Host Process for Win32 UDP Services'
[<HKLM>\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\udp.exe' = '<SYSTEM32>\udp.exe:*:Enabled:Generic Host Process for Win32 UDP Services'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\wupdate.exe' = '<SYSTEM32>\wupdate.exe:*:Enabled:Generic Host Process for Win32 Update Services'
[<HKLM>\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\wupdate.exe' = '<SYSTEM32>\wupdate.exe:*:Enabled:Generic Host Process for Win32 Update Services'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\wupdate.exe' = '<SYSTEM32>\wupdate.exe:*:Enabled:Generic Host Process for Win32 Update Services'
[<HKLM>\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\wupdate.exe' = '<SYSTEM32>\wupdate.exe:*:Enabled:Generic Host Process for Win32 Update Services'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\svghost.exe' = '<SYSTEM32>\svghost.exe:*:Enabled:Generic Host Process for Win32 Services'
[<HKLM>\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\svghost.exe' = '<SYSTEM32>\svghost.exe:*:Enabled:Generic Host Process for Win32 Services'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\svghost.exe' = '<SYSTEM32>\svghost.exe:*:Enabled:Generic Host Process for Win32 Services'
[<HKLM>\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\svghost.exe' = '<SYSTEM32>\svghost.exe:*:Enabled:Generic Host Process for Win32 Services'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\spoolcv.exe' = '<SYSTEM32>\spoolcv.exe:*:Enabled:Generic spool Process for Win32 Services'
[<HKLM>\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\spoolcv.exe' = '<SYSTEM32>\spoolcv.exe:*:Enabled:Generic spool Process for Win32 Services'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\spoolcv.exe' = '<SYSTEM32>\spoolcv.exe:*:Enabled:Generic spool Process for Win32 Services'
[<HKLM>\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\spoolcv.exe' = '<SYSTEM32>\spoolcv.exe:*:Enabled:Generic spool Process for Win32 Services'

Создает и запускает на исполнение:

'<SYSTEM32>\spoolcv.exe'
'<SYSTEM32>\udp.exe'
'<SYSTEM32>\taskngr.exe'
'<SYSTEM32>\mas.exe'

Запускает на исполнение:

'<SYSTEM32>\cmd.exe' /c "del TempWmicBatchFile.bat"
'<SYSTEM32>\wbem\wmic.exe' bios get serialnumber
'<SYSTEM32>\cmd.exe' /c drv.cmd

Изменения в файловой системе:

Создает следующие файлы:

<SYSTEM32>\taskngr.exe
<SYSTEM32>\udp.exe
<SYSTEM32>\svghost.exe
<SYSTEM32>\Packet.dll
<SYSTEM32>\spoolcv.exe
<SYSTEM32>\wpcap.dll
%TEMP%\tmp2.tmp
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\checkip.dyndns[1]
%TEMP%\tmp1.tmp
<DRIVERS>\npf.sys
<SYSTEM32>\MFC42UD.DLL
<SYSTEM32>\MFCN42D.DLL
<SYSTEM32>\MFC42D.DLL
<SYSTEM32>\drv.cmd
<SYSTEM32>\mas.exe
<SYSTEM32>\MFCN42UD.DLL
<SYSTEM32>\MSVCRTD.DLL
<SYSTEM32>\npf.sys
<SYSTEM32>\MSVCIRTD.DLL
<SYSTEM32>\MFCO42D.DLL
<SYSTEM32>\MFCO42UD.DLL