Trojan.DownLoader12.32934

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%\vOAIgcgg.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\CQUIEIok.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\ZUwAUUMk.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\OugkMkQQ.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\gEEUkkMs.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\JiQcEsoc.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%\VcsoIwQQ.bat" "<Full path to virus>""
'<SYSTEM32>\cscript.exe' %TEMP%\file.vbs
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\kMYMgEwo.bat" "<Full path to virus>""

Modifies file system :

Creates the following files:

<Current directory>\yIIW.exe
C:\RCX11.tmp
%TEMP%\JiQcEsoc.bat
C:\RCX10.tmp
%TEMP%\iAAUUAUI.bat
<Current directory>\aOUg.ico
<Current directory>\sSgc.ico
<Current directory>\NIcE.exe
C:\RCX13.tmp
<Current directory>\XqUU.ico
<Current directory>\KAAE.exe
C:\RCX12.tmp
<Current directory>\EQcE.exe
%TEMP%\TggwAYgY.bat
<Current directory>\tSEk.ico
<Current directory>\LMwk.exe
<Current directory>\NAsA.ico
<Current directory>\nIAG.exe
C:\RCXD.tmp
<Current directory>\Gcck.exe
C:\RCXF.tmp
<Current directory>\daow.ico
%TEMP%\vOAIgcgg.bat
C:\RCXE.tmp
<Current directory>\rmgM.ico
<Current directory>\GMoi.exe
C:\RCX18.tmp
%TEMP%\OugkMkQQ.bat
C:\RCX17.tmp
%TEMP%\NmkcocUM.bat
<Current directory>\jqME.ico
<Current directory>\moAU.ico
<Current directory>\kcYk.exe
C:\RCX1A.tmp
<Current directory>\mwUs.ico
<Current directory>\scws.exe
C:\RCX19.tmp
<Current directory>\wEoK.exe
<Current directory>\KoAU.ico
%TEMP%\iEgEsQsg.bat
<Current directory>\DgMK.exe
<Current directory>\VYAM.ico
<Current directory>\ycsC.exe
C:\RCX14.tmp
<Current directory>\dsIC.exe
C:\RCX16.tmp
<Current directory>\kgoM.ico
C:\RCX15.tmp
%TEMP%\gEEUkkMs.bat
<Current directory>\nQQc.ico
C:\RCXC.tmp
C:\RCX3.tmp
%TEMP%\file.vbs
<Current directory>\kyAM.ico
C:\RCX2.tmp
<Current directory>\psww.ico
<Current directory>\EwQu.exe
<Current directory>\PUMe.exe
C:\RCX5.tmp
%TEMP%\jQIgsUIA.bat
<Current directory>\vQwk.exe
C:\RCX4.tmp
<Current directory>\qIwg.ico
%TEMP%\kMYMgEwo.bat
%ALLUSERSPROFILE%\casg.txt
<Current directory>\QmkM.ico
C:\Documents and Settings\LocalService\NIMMEwsg\jaQEcQMQ
%HOMEPATH%\NIMMEwsg\jaQEcQMQ
%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM
%ALLUSERSPROFILE%\lwQggIEM\nwAEcgMA.exe
C:\RCX1.tmp
<Current directory>\EgYc.ico
<Current directory>\zIkO.exe
%TEMP%\fgMQMsIU.bat
<Current directory>\<Virus name>
<Current directory>\yIcc.exe
<Current directory>\hAMa.exe
C:\RCXA.tmp
<Current directory>\mIkg.ico
%TEMP%\ZUwAUUMk.bat
C:\RCX9.tmp
<Current directory>\JWQA.ico
%TEMP%\CQUIEIok.bat
<Current directory>\lKkk.ico
<Current directory>\NcUW.exe
%TEMP%\FkIMosMQ.bat
<Current directory>\NYUi.exe
C:\RCXB.tmp
<Current directory>\nAkY.exe
%TEMP%\VcsoIwQQ.bat
<Current directory>\ZGMU.ico
<Current directory>\SEEa.exe
<Current directory>\dIcg.ico
<Current directory>\aoww.exe
C:\RCX6.tmp
<Current directory>\XwQm.exe
C:\RCX8.tmp
<Current directory>\IMsQ.ico
C:\RCX7.tmp
<Current directory>\MsEk.ico
%TEMP%\NeoccYsE.bat

Deletes the following files:

<Current directory>\yIIW.exe
<Current directory>\daow.ico
<Current directory>\EQcE.exe
<Current directory>\aOUg.ico
<Current directory>\NIcE.exe
<Current directory>\XqUU.ico
<Current directory>\KAAE.exe
<Current directory>\LMwk.exe
<Current directory>\NAsA.ico
<Current directory>\nIAG.exe
<Current directory>\tSEk.ico
%TEMP%\iAAUUAUI.bat
<Current directory>\rmgM.ico
<Current directory>\Gcck.exe
<Current directory>\sSgc.ico
%TEMP%\NmkcocUM.bat
<Current directory>\kgoM.ico
<Current directory>\wEoK.exe
<Current directory>\GMoi.exe
<Current directory>\mwUs.ico
<Current directory>\scws.exe
<Current directory>\jqME.ico
%TEMP%\iEgEsQsg.bat
<Current directory>\VYAM.ico
<Current directory>\ycsC.exe
<Current directory>\DgMK.exe
<Current directory>\nQQc.ico
<Current directory>\dsIC.exe
<Current directory>\KoAU.ico
<Current directory>\PUMe.exe
<Current directory>\kyAM.ico
<Current directory>\vQwk.exe
<Current directory>\qIwg.ico
<Current directory>\dIcg.ico
<Current directory>\aoww.exe
%TEMP%\jQIgsUIA.bat
<Current directory>\QmkM.ico
<Current directory>\yIcc.exe
%TEMP%\fgMQMsIU.bat
<Current directory>\zIkO.exe
<Current directory>\psww.ico
<Current directory>\EwQu.exe
<Current directory>\EgYc.ico
<Current directory>\SEEa.exe
<Current directory>\NYUi.exe
%TEMP%\FkIMosMQ.bat
<Current directory>\JWQA.ico
<Current directory>\mIkg.ico
%TEMP%\TggwAYgY.bat
<Current directory>\lKkk.ico
<Current directory>\NcUW.exe
<Current directory>\XwQm.exe
%TEMP%\NeoccYsE.bat
<Current directory>\ZGMU.ico
<Current directory>\MsEk.ico
<Current directory>\hAMa.exe
<Current directory>\IMsQ.ico
<Current directory>\nAkY.exe

Moves the following files:

from C:\RCX11.tmp to <Current directory>\yIIW.exe
from C:\RCX12.tmp to <Current directory>\KAAE.exe
from C:\RCX13.tmp to <Current directory>\NIcE.exe
from C:\RCXE.tmp to <Current directory>\LMwk.exe
from C:\RCXF.tmp to <Current directory>\Gcck.exe
from C:\RCX10.tmp to <Current directory>\EQcE.exe
from C:\RCX17.tmp to <Current directory>\wEoK.exe
from C:\RCX18.tmp to <Current directory>\GMoi.exe
from C:\RCX19.tmp to <Current directory>\scws.exe
from C:\RCX14.tmp to <Current directory>\ycsC.exe
from C:\RCX15.tmp to <Current directory>\DgMK.exe
from C:\RCX16.tmp to <Current directory>\dsIC.exe
from C:\RCXD.tmp to <Current directory>\nIAG.exe
from C:\RCX4.tmp to <Current directory>\vQwk.exe
from C:\RCX5.tmp to <Current directory>\PUMe.exe
from C:\RCX6.tmp to <Current directory>\aoww.exe
from C:\RCX1.tmp to <Current directory>\yIcc.exe
from C:\RCX2.tmp to <Current directory>\zIkO.exe
from C:\RCX3.tmp to <Current directory>\EwQu.exe
from C:\RCXA.tmp to <Current directory>\hAMa.exe
from C:\RCXB.tmp to <Current directory>\NYUi.exe
from C:\RCXC.tmp to <Current directory>\NcUW.exe
from C:\RCX7.tmp to <Current directory>\SEEa.exe
from C:\RCX8.tmp to <Current directory>\XwQm.exe
from C:\RCX9.tmp to <Current directory>\nAkY.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