Trojan.DownLoader7.16955

Техническая информация

Для обеспечения автозапуска и распространения:

Модифицирует следующие ключи реестра:

[<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000004] 'PackedCatalogItem' = ''
[<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000005] 'PackedCatalogItem' = ''
[<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000003] 'PackedCatalogItem' = ''
[<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000001] 'PackedCatalogItem' = ''
[<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000002] 'PackedCatalogItem' = ''

Создает следующие сервисы:

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

Вредоносные функции:

Создает и запускает на исполнение:

%PROGRAM_FILES%\baidu\dsetup.exe install
%PROGRAM_FILES%\baidu\msfsg.exe dns 61.158.160.197,61.158.160.206
%PROGRAM_FILES%\baidu\msfsg.exe md5 -s spass.dll -d spass.dll
%PROGRAM_FILES%\baidu\msfsg.exe md5 -s siglow.dll -d siglow.dll
%TEMP%\~nsu.tmp\Au_.exe _?=%PROGRAM_FILES%\baidu\
%PROGRAM_FILES%\baidu\uninst18.exe
%PROGRAM_FILES%\baidu\uninst13.exe
%TEMP%\nsw2.tmp\ns10.tmp net start Dhcp
%TEMP%\nsw2.tmp\ns6.tmp cmd.exe /c netsh interface ip set address name="Local Area Connection" source=dhcp
%TEMP%\nsw2.tmp\ns7.tmp net stop Dhcp
<Текущая директория>\uuse-5949.exe
%TEMP%\nsw2.tmp\ns3.tmp cmd.exe /c netsh -c interface dump>c:\ipconfig.txt
%PROGRAM_FILES%\baidu\msfsg.exe md5 -s dsetup.exe -d dsetup.exe
%PROGRAM_FILES%\baidu\msfsg.exe md5 -s newnetgar.dll -d newnetgar.dll
%PROGRAM_FILES%\baidu\msfsg.exe uncompress -s dsop7.xml -d setup548157.exe
%PROGRAM_FILES%\baidu\setup548157.exe

Запускает на исполнение:

<SYSTEM32>\svchost.exe -k mysysgroup3
<SYSTEM32>\runonce.exe -r
<SYSTEM32>\net1.exe start Dhcp
<SYSTEM32>\net.exe stop Dhcp
<SYSTEM32>\net1.exe stop Dhcp
<SYSTEM32>\rundll32.exe <SYSTEM32>\nethome32.dll RundllInstall NetHomeIDE

Изменения в файловой системе:

Создает следующие файлы:

%APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\Preferred
%APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\c5e7afdc-cb4d-4f6f-9d78-73ba504900dd
%WINDIR%\inf\oem3.PNF
%WINDIR%\inf\oem3.inf
%APPDATA%\Microsoft\Crypto\RSA\S-1-5-21-2052111302-484763869-725345543-1003\ec702f375e1b12d218f67ab9ef19ca23_23ef5514-3059-436f-a4a7-4cefaab20eb1
%TEMP%\nsc9.tmp\System.dll
%PROGRAM_FILES%\baidu\SysDat.bin
%PROGRAM_FILES%\baidu\spass.dll
<SYSTEM32>\nethome32.dll
%PROGRAM_FILES%\baidu\uninst13.exe
%PROGRAM_FILES%\baidu\tempnethome13.ini
<SYSTEM32>\netplayone\MyIEData\SysDat.bin
<SYSTEM32>\netplayone\netplayone.dll
<SYSTEM32>\netplayone\MyIEData\main.ini
%APPDATA%\NetHome\main.ini
%TEMP%\~nsu.tmp\Au_.exe
%TEMP%\nsw2.tmp\ns10.tmp
%WINDIR%\inf\INFCACHE.0
%WINDIR%\inf\oem4.PNF
%WINDIR%\inf\oem4.inf
%APPDATA%\MyIEData\main.ini
<DRIVERS>\SETF.tmp
<DRIVERS>\SETE.tmp
%PROGRAM_FILES%\baidu\newnetgar.dll
%TEMP%\nso5.tmp\ioSpecial.ini
%TEMP%\nsw2.tmp\ns3.tmp
%TEMP%\nsw2.tmp\nsExec.dll
C:\ipconfig.txt
%TEMP%\nso5.tmp\InstallOptions.dll
%TEMP%\nso5.tmp\modern-wizard.bmp
<Текущая директория>\uuse-5949.exe
%PROGRAM_FILES%\baidu\msfsg.exe
%PROGRAM_FILES%\baidu\dsop7.xml
%PROGRAM_FILES%\baidu\uninst18.exe
%PROGRAM_FILES%\baidu\tempnethome18.ini
%TEMP%\nsw2.tmp\System.dll
%PROGRAM_FILES%\baidu\dsetup.exe
%PROGRAM_FILES%\baidu\siglow.dll
%PROGRAM_FILES%\baidu\setup548157.exe
%PROGRAM_FILES%\baidu\mpflt.inf
%PROGRAM_FILES%\baidu\mpflt_m.inf
%PROGRAM_FILES%\baidu\siglow.sys
%TEMP%\nsw2.tmp\nsRandom.dll
%TEMP%\nsw2.tmp\ns6.tmp
%TEMP%\nsw2.tmp\Math.dll
%TEMP%\nsw2.tmp\ns7.tmp
%TEMP%\nsw2.tmp\Internet.dll
%TEMP%\nsw2.tmp\AccessControl.dll