Trojan.DownLoader12.20659

Техническая информация

Для обеспечения автозапуска и распространения:

Модифицирует следующие ключи реестра:

[<HKLM>\SOFTWARE\Classes\MSProgramGroup\Shell\Open\Command] '' = '<SYSTEM32>\grpconv.exe %1'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'GrpConv' = 'grpconv -o'

Создает следующие сервисы:

[<HKLM>\SYSTEM\ControlSet001\Services\IDMTDI] 'Start' = '00000001'

Вредоносные функции:

Создает и запускает на исполнение:

'%PROGRAM_FILES%\Internet Download Manager\Uninstall.exe' -instdriv
'%TEMP%\nsf3.tmp\ns4.tmp' "%PROGRAM_FILES%\Internet Download Manager\Uninstall.exe" -instdriv
'%TEMP%\IDM.exe' /S /EN

Запускает на исполнение:

'<SYSTEM32>\grpconv.exe' -o
'<SYSTEM32>\net1.exe' start IDMTDI
'<SYSTEM32>\runonce.exe' -r
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\1.bat" "
'<SYSTEM32>\rundll32.exe' SETUPAPI.DLL,InstallHinfSection DefaultInstall 128 %PROGRAM_FILES%\Internet Download Manager\idmtdi.inf

Изменения в файловой системе:

Создает следующие файлы:

%PROGRAM_FILES%\Internet Download Manager\Languages\grabber_ru.chm
%PROGRAM_FILES%\Internet Download Manager\Languages\idm_ru.chm
%PROGRAM_FILES%\Internet Download Manager\tips.txt
%PROGRAM_FILES%\Internet Download Manager\idmwfp32.sys
%PROGRAM_FILES%\Internet Download Manager\idmwfp64.sys
%PROGRAM_FILES%\Internet Download Manager\Languages\tips_ru.txt
%PROGRAM_FILES%\Internet Download Manager\Languages\tips_ua.txt
%PROGRAM_FILES%\Internet Download Manager\Languages\scheduler_ru.chm
%PROGRAM_FILES%\Internet Download Manager\Languages\idm_ru.lng
%PROGRAM_FILES%\Internet Download Manager\Languages\idm_ua.lng
%PROGRAM_FILES%\Internet Download Manager\idmtdi.inf
%PROGRAM_FILES%\Internet Download Manager\idmtdi32.sys
%PROGRAM_FILES%\Internet Download Manager\idmtdi.cat
%PROGRAM_FILES%\Internet Download Manager\idmmkb.dll
%PROGRAM_FILES%\Internet Download Manager\idmmzcc.xpi
%PROGRAM_FILES%\Internet Download Manager\idmwfp.cat
%PROGRAM_FILES%\Internet Download Manager\idmwfp.inf
%PROGRAM_FILES%\Internet Download Manager\idmvs.dll
%PROGRAM_FILES%\Internet Download Manager\idmtdi64.sys
%PROGRAM_FILES%\Internet Download Manager\idmvconv.dll
%PROGRAM_FILES%\Internet Download Manager\Languages\tut_ru.chm
%APPDATA%\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
%TEMP%\Cab7.tmp
%APPDATA%\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
%APPDATA%\Microsoft\CryptnetUrlCache\MetaData\2BF68F4714092295550497DD56F57004
%APPDATA%\Microsoft\CryptnetUrlCache\Content\2BF68F4714092295550497DD56F57004
%WINDIR%\inf\oem3.PNF
<DRIVERS>\SETD.tmp
%WINDIR%\inf\oem3.inf
%TEMP%\Cab9.tmp
%TEMP%\CabB.tmp
%PROGRAM_FILES%\Internet Download Manager\Toolbar\3d_large_3_hdpi15.bmp
%PROGRAM_FILES%\Internet Download Manager\Toolbar\3d_smallHot_3.bmp
%PROGRAM_FILES%\Internet Download Manager\Toolbar\3d_large_3.bmp
%PROGRAM_FILES%\Internet Download Manager\Toolbar\3d_largeHot_3.bmp
%PROGRAM_FILES%\Internet Download Manager\Toolbar\3d_largeHot_3_hdpi15.bmp
%TEMP%\nsf3.tmp\nsExec.dll
%TEMP%\nsf3.tmp\ns4.tmp
%PROGRAM_FILES%\Internet Download Manager\Uninstall-ME.exe
%PROGRAM_FILES%\Internet Download Manager\Toolbar\3d_small_3.bmp
%PROGRAM_FILES%\Internet Download Manager\Toolbar\3d_style_3.tbi
%PROGRAM_FILES%\Internet Download Manager\idmindex.dll
%PROGRAM_FILES%\Internet Download Manager\IDMGetAll64.dll
%PROGRAM_FILES%\Internet Download Manager\IDMGrHlp.exe
%PROGRAM_FILES%\Internet Download Manager\IDMGetAll.dll
%PROGRAM_FILES%\Internet Download Manager\IDMFType64.dll
%PROGRAM_FILES%\Internet Download Manager\IDMGCExt.crx
%PROGRAM_FILES%\Internet Download Manager\IDMNetMon.dll
%PROGRAM_FILES%\Internet Download Manager\IDMNetMon64.dll
%PROGRAM_FILES%\Internet Download Manager\IDMIntegrator64.exe
%PROGRAM_FILES%\Internet Download Manager\IDMIECC.dll
%PROGRAM_FILES%\Internet Download Manager\IDMIECC64.dll
%TEMP%\1.exe
%TEMP%\IDM.exe
%TEMP%\1.bat
%TEMP%\$inst\2.tmp
%TEMP%\$inst\temp_0.tmp
%TEMP%\nsf3.tmp\System.dll
%PROGRAM_FILES%\Internet Download Manager\IDMFType.dat
%TEMP%\nsa2.tmp
%TEMP%\reg.reg
%TEMP%\Settings.reg
%PROGRAM_FILES%\Internet Download Manager\IDMShellExt.dll
%PROGRAM_FILES%\Internet Download Manager\idmantypeinfo.tlb
%PROGRAM_FILES%\Internet Download Manager\idmbrbtn.dll
%PROGRAM_FILES%\Internet Download Manager\idmBroker.exe
%PROGRAM_FILES%\Internet Download Manager\downlWithIDM.dll
%PROGRAM_FILES%\Internet Download Manager\downlWithIDM64.dll
%PROGRAM_FILES%\Internet Download Manager\idmfsa.dll
%PROGRAM_FILES%\Internet Download Manager\idmftype.dll
%PROGRAM_FILES%\Internet Download Manager\idmcchandler2_64.dll
%PROGRAM_FILES%\Internet Download Manager\idmbrbtn64.dll
%PROGRAM_FILES%\Internet Download Manager\idmcchandler2.dll
%PROGRAM_FILES%\Internet Download Manager\IEGetAll.htm
%PROGRAM_FILES%\Internet Download Manager\IEGetVL.htm
%PROGRAM_FILES%\Internet Download Manager\IEExt.htm
%PROGRAM_FILES%\Internet Download Manager\IDMShellExt64.dll
%PROGRAM_FILES%\Internet Download Manager\IDMan.exe
%PROGRAM_FILES%\Internet Download Manager\Uninstall.exe
%PROGRAM_FILES%\Internet Download Manager\defexclist.txt
%PROGRAM_FILES%\Internet Download Manager\MediumILStart.exe
%PROGRAM_FILES%\Internet Download Manager\IEGetVL2.htm
%PROGRAM_FILES%\Internet Download Manager\IEMonitor.exe

Удаляет следующие файлы:

%TEMP%\Cab9.tmp
%TEMP%\CabB.tmp
%TEMP%\$inst\temp_0.tmp
%TEMP%\Cab7.tmp

Перемещает следующие файлы:

<DRIVERS>\SETD.tmp в <DRIVERS>\idmtdi.sys

Сетевая активность:

Подключается к:

'www.download.windowsupdate.com':80
'wp#d':80

TCP:

Запросы HTTP GET:

www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootseq.txt
wp#d/wpad.dat

UDP: