Trojan.DownLoader12.32922

Добавлен в вирусную базу Dr.Web: 2015-02-26

Описание добавлено: 2015-02-26

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM.exe,'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'AcIcUcAM.exe' = '%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jaQEcQMQ.exe' = '%HOMEPATH%\NIMMEwsg\jaQEcQMQ.exe'

Creates the following services:

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

Malicious functions:

To complicate detection of its presence in the operating system,

forces the system hide from view:

hidden files
file extensions

blocks the following features:

User Account Control (UAC)

Creates and executes the following:

'%ALLUSERSPROFILE%\lwQggIEM\nwAEcgMA.exe'
'%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM.exe'
'%HOMEPATH%\NIMMEwsg\jaQEcQMQ.exe'

Executes the following:

'<SYSTEM32>\cmd.exe' /c ""%TEMP%\fkMMkwsA.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\FWIMEkoI.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\FikcIEwI.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\TeIAYccY.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\KAkQoUYQ.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\UewwEskI.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\sagsEkQM.bat" "<Full path to virus>""
'<SYSTEM32>\reg.exe' add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /d 0 /t REG_DWORD /f
'<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v Hidden /t REG_DWORD /d 2
'<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v HideFileExt /t REG_DWORD /d 1
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\ymwUEwQg.bat" "<Full path to virus>""
'<SYSTEM32>\cscript.exe' %TEMP%\file.vbs
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\lSQEMQcE.bat" "<Full path to virus>""

Modifies file system :

Creates the following files:

<Current directory>\LUos.ico
%TEMP%\KAkQoUYQ.bat
<Current directory>\OkAQ.exe
<Current directory>\HSEU.ico
<Current directory>\FoIu.exe
C:\RCXF.tmp
C:\RCX11.tmp
<Current directory>\goUk.ico
<Current directory>\JQYK.exe
C:\RCX10.tmp
<Current directory>\feMw.ico
<Current directory>\AUAy.exe
%TEMP%\OYMccEQM.bat
<Current directory>\IUgc.ico
<Current directory>\ukUQ.exe
C:\RCXC.tmp
<Current directory>\jGIE.ico
<Current directory>\Bosm.exe
C:\RCXB.tmp
<Current directory>\aQUg.ico
<Current directory>\kUMm.exe
C:\RCXE.tmp
<Current directory>\gMUU.ico
<Current directory>\tsAE.exe
C:\RCXD.tmp
C:\RCX12.tmp
C:\RCX17.tmp
<Current directory>\SmUM.ico
<Current directory>\PMIc.exe
%TEMP%\TeIAYccY.bat
<Current directory>\lIEg.ico
<Current directory>\voEg.exe
C:\RCX19.tmp
<Current directory>\ZgoI.ico
<Current directory>\KQwg.exe
C:\RCX18.tmp
<Current directory>\IOEA.ico
<Current directory>\IMsK.exe
C:\RCX16.tmp
<Current directory>\hWUE.ico
<Current directory>\lEwC.exe
C:\RCX14.tmp
<Current directory>\vYgM.ico
<Current directory>\QoEu.exe
C:\RCX13.tmp
C:\RCX15.tmp
<Current directory>\nQAI.ico
<Current directory>\nccY.exe
<Current directory>\akYQ.ico
%TEMP%\RQwQQIoQ.bat
<Current directory>\issG.exe
%TEMP%\sagsEkQM.bat
%TEMP%\fwkYgYgs.bat
%TEMP%\FikcIEwI.bat
<Current directory>\IoMY.ico
%TEMP%\ymwUEwQg.bat
%TEMP%\CogIkcAs.bat
%TEMP%\FWIMEkoI.bat
<Current directory>\bgQw.ico
<Current directory>\okMC.exe
%TEMP%\bWswkskU.bat
<Current directory>\YEko.exe
C:\RCX2.tmp
%TEMP%\SkwIEkkY.bat
%ALLUSERSPROFILE%\casg.txt
C:\Documents and Settings\LocalService\NIMMEwsg\jaQEcQMQ
<Current directory>\YsQg.ico
%HOMEPATH%\NIMMEwsg\jaQEcQMQ
%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM
%ALLUSERSPROFILE%\lwQggIEM\nwAEcgMA.exe
%TEMP%\lSQEMQcE.bat
C:\RCX1.tmp
%TEMP%\file.vbs
%TEMP%\PkggkAgE.bat
<Current directory>\<Virus name>
<Current directory>\MkcK.exe
C:\RCX3.tmp
C:\RCX8.tmp
<Current directory>\AEQk.ico
<Current directory>\vMIQ.exe
C:\RCX7.tmp
<Current directory>\TwAU.ico
<Current directory>\UAoo.exe
<Current directory>\xoIK.exe
C:\RCXA.tmp
%TEMP%\UewwEskI.bat
%TEMP%\oqAIMsMo.bat
C:\RCX9.tmp
<Current directory>\ryMQ.ico
<Current directory>\hoIO.exe
C:\RCX4.tmp
<Current directory>\GmcA.ico
<Current directory>\bEQq.exe
<Current directory>\XMIQ.ico
%TEMP%\ZKMsgkMo.bat
<Current directory>\zQsi.exe
<Current directory>\JsMq.exe
C:\RCX6.tmp
<Current directory>\IuwE.ico
%TEMP%\fkMMkwsA.bat
C:\RCX5.tmp
<Current directory>\qukc.ico

Deletes the following files:

<Current directory>\AUAy.exe
<Current directory>\LUos.ico
<Current directory>\OkAQ.exe
<Current directory>\feMw.ico
<Current directory>\QoEu.exe
<Current directory>\goUk.ico
<Current directory>\JQYK.exe
<Current directory>\HSEU.ico
<Current directory>\gMUU.ico
<Current directory>\tsAE.exe
<Current directory>\IUgc.ico
<Current directory>\kUMm.exe
<Current directory>\FoIu.exe
%TEMP%\OYMccEQM.bat
<Current directory>\aQUg.ico
<Current directory>\PMIc.exe
<Current directory>\lIEg.ico
<Current directory>\voEg.exe
<Current directory>\SmUM.ico
<Current directory>\ZgoI.ico
<Current directory>\IOEA.ico
<Current directory>\IMsK.exe
<Current directory>\nQAI.ico
<Current directory>\hWUE.ico
<Current directory>\lEwC.exe
<Current directory>\vYgM.ico
%TEMP%\RQwQQIoQ.bat
<Current directory>\nccY.exe
<Current directory>\akYQ.ico
<Current directory>\issG.exe
<Current directory>\bgQw.ico
<Current directory>\okMC.exe
<Current directory>\IoMY.ico
%TEMP%\ZKMsgkMo.bat
<Current directory>\bEQq.exe
<Current directory>\XMIQ.ico
<Current directory>\zQsi.exe
<Current directory>\YEko.exe
<Current directory>\YsQg.ico
<Current directory>\MkcK.exe
%TEMP%\PkggkAgE.bat
%TEMP%\SkwIEkkY.bat
%TEMP%\bWswkskU.bat
%TEMP%\fwkYgYgs.bat
%TEMP%\CogIkcAs.bat
<Current directory>\xoIK.exe
<Current directory>\AEQk.ico
<Current directory>\vMIQ.exe
<Current directory>\ryMQ.ico
<Current directory>\ukUQ.exe
<Current directory>\jGIE.ico
<Current directory>\Bosm.exe
%TEMP%\oqAIMsMo.bat
<Current directory>\qukc.ico
<Current directory>\JsMq.exe
<Current directory>\GmcA.ico
<Current directory>\hoIO.exe
<Current directory>\TwAU.ico
<Current directory>\UAoo.exe
<Current directory>\IuwE.ico

Moves the following files:

from C:\RCX11.tmp to <Current directory>\AUAy.exe
from C:\RCX12.tmp to <Current directory>\JQYK.exe
from C:\RCX13.tmp to <Current directory>\QoEu.exe
from C:\RCXE.tmp to <Current directory>\kUMm.exe
from C:\RCXF.tmp to <Current directory>\FoIu.exe
from C:\RCX10.tmp to <Current directory>\OkAQ.exe
from C:\RCX17.tmp to <Current directory>\voEg.exe
from C:\RCX18.tmp to <Current directory>\PMIc.exe
from C:\RCX19.tmp to <Current directory>\IMsK.exe
from C:\RCX14.tmp to <Current directory>\lEwC.exe
from C:\RCX15.tmp to <Current directory>\issG.exe
from C:\RCX16.tmp to <Current directory>\nccY.exe
from C:\RCXD.tmp to <Current directory>\tsAE.exe
from C:\RCX4.tmp to <Current directory>\zQsi.exe
from C:\RCX5.tmp to <Current directory>\bEQq.exe
from C:\RCX6.tmp to <Current directory>\JsMq.exe
from C:\RCX1.tmp to <Current directory>\MkcK.exe
from C:\RCX2.tmp to <Current directory>\YEko.exe
from C:\RCX3.tmp to <Current directory>\okMC.exe
from C:\RCXA.tmp to <Current directory>\xoIK.exe
from C:\RCXB.tmp to <Current directory>\Bosm.exe
from C:\RCXC.tmp to <Current directory>\ukUQ.exe
from C:\RCX7.tmp to <Current directory>\hoIO.exe
from C:\RCX8.tmp to <Current directory>\UAoo.exe
from C:\RCX9.tmp to <Current directory>\vMIQ.exe

Network activity:

Connects to:

'74.##5.232.51':80

TCP:

HTTP GET requests:

74.##5.232.51/

UDP:

DNS ASK google.com

Miscellaneous:

Searches for the following windows:

ClassName: '' WindowName: 'AcIcUcAM.exe'
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: '' WindowName: 'Microsoft Windows'
ClassName: 'Indicator' WindowName: ''
ClassName: '' WindowName: 'jaQEcQMQ.exe'

Технологии

Термины

Обучение и просвещение

Мифы

Technical Information

Рекомендации по лечению

Демо бесплатно на 14 дней