Trojan.MulDrop5.36289

Техническая информация

Для обеспечения автозапуска и распространения:

Модифицирует следующие ключи реестра:

[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\RWLN] 'Startup' = 'WLEventStartup'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\RWLN] 'Logon' = 'WLEventLogon'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\RWLN] 'DllName' = 'RWLN.dll'

Создает следующие сервисы:

[<HKLM>\SYSTEM\ControlSet001\Services\RManService] 'Start' = '00000002'

Вредоносные функции:

Создает и запускает на исполнение:

'<SYSTEM32>\catroot3\rutserv.exe'
'<SYSTEM32>\catroot3\rfusclient.exe' /tray
'<SYSTEM32>\catroot3\rutserv.exe' /start
'<SYSTEM32>\catroot3\rutserv.exe' /silentinstall
'<SYSTEM32>\catroot3\rutserv.exe' /firewall

Запускает на исполнение:

'<SYSTEM32>\attrib.exe' -s -h -r "%WINDIR%\SysWOW64\r_server.exe"
'<SYSTEM32>\attrib.exe' -s -h -r "<SYSTEM32>\r_server.exe"
'<SYSTEM32>\net.exe' stop Telnet
'<SYSTEM32>\sc.exe' config tlntsvr start= disabled
'<SYSTEM32>\net1.exe' stop Telnet
'<SYSTEM32>\attrib.exe' -s -h "%WINDIR%\SysWOW64\rserver30"
'<SYSTEM32>\attrib.exe' -s -h -r "%WINDIR%\SysWOW64\cam_server.exe"
'<SYSTEM32>\attrib.exe' -s -h -r "<SYSTEM32>\cam_server.exe"
'<SYSTEM32>\attrib.exe' -s -h -r "<SYSTEM32>\cam_sv2.exe"
'<SYSTEM32>\attrib.exe' -s -h "<SYSTEM32>\rserver30"
'<SYSTEM32>\attrib.exe' -s -h -r "%WINDIR%\SysWOW64\cam_sv2.exe"
'<SYSTEM32>\reg.exe' delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "cam_server.exe" /f
'<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList" /v HelpAssistant /f
'<SYSTEM32>\reg.exe' delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "cam_sv2.exe" /f
'%WINDIR%\regedit.exe' /s set.reg
'<SYSTEM32>\reg.exe' delete "HKLM\System\CurrentControlSet\Services\RServer3" /f
'<SYSTEM32>\reg.exe' delete HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run /v "Service Host Controller" /f
'<SYSTEM32>\net1.exe' stop "Service Host Controller"
'<SYSTEM32>\net.exe' stop "Service Host Controller"
'<SYSTEM32>\net1.exe' user HelpAssistant /delete
'<SYSTEM32>\reg.exe' delete HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run /v "Операционная система Microsoft Windows" /f
'<SYSTEM32>\schtasks.exe' /delete /tn security /f
'<SYSTEM32>\attrib.exe' +s +h +r "%TEMP%\blat.dll"
'<SYSTEM32>\attrib.exe' +s +h +r "%TEMP%\install.bat"
'<SYSTEM32>\attrib.exe' +s +h +r "%TEMP%\blat.lib"
'<SYSTEM32>\attrib.exe' +s +h +r "%TEMP%\HookLib.dll"
'<SYSTEM32>\attrib.exe' +s +h +r "%TEMP%\block_reader.sys"
'<SYSTEM32>\attrib.exe' +s +h +r "%TEMP%\hitch.exe"
'<SYSTEM32>\taskkill.exe' /f /im RManServer.exe
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\1.tmp\install.bat" "
'<SYSTEM32>\taskkill.exe' /f /im rutserv.exe
'<SYSTEM32>\attrib.exe' +s +h "<SYSTEM32>\catroot3"
'<SYSTEM32>\reg.exe' delete "HKLM\SYSTEM\Remote Manipulator System" /f
'<SYSTEM32>\taskkill.exe' /f /im rserver3.exe
'<SYSTEM32>\net1.exe' stop rserver3
'<SYSTEM32>\taskkill.exe' /f /im r_server.exe
'<SYSTEM32>\taskkill.exe' /f /im cam_sv2.exe
'<SYSTEM32>\taskkill.exe' /f /im cam_server.exe
'<SYSTEM32>\net.exe' stop rserver3
'<SYSTEM32>\attrib.exe' +s +h +r "%TEMP%\mpr.exe"
'<SYSTEM32>\attrib.exe' +s +h +r "%TEMP%\blat.exe"
'<SYSTEM32>\attrib.exe' +s +h +r "%TEMP%\realip.exe"
'<SYSTEM32>\attrib.exe' +s +h +r "<SYSTEM32>\de.exe"
'<SYSTEM32>\attrib.exe' +s +h +r "%TEMP%\mpr.ini"