Trojan.DownLoader12.32883

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%\TaogYMcE.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\XCkAYEgE.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\zSQQUcoc.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\iEwkEMIE.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\vYYcAQUA.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\WUgYgEcc.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\NWEcYAsE.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%\XEAQwcEE.bat" "<Full path to virus>""
'<SYSTEM32>\cscript.exe' %TEMP%\file.vbs
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\NmIMsUUQ.bat" "<Full path to virus>""

Modifies file system :

Creates the following files:

<Current directory>\AEQc.ico
<Current directory>\cQwe.exe
C:\RCX10.tmp
<Current directory>\pUYw.ico
<Current directory>\QkQK.exe
C:\RCXF.tmp
<Current directory>\XsQi.exe
C:\RCX11.tmp
<Current directory>\RQIM.ico
%TEMP%\jGUMUsMc.bat
<Current directory>\akco.ico
%TEMP%\vYYcAQUA.bat
%TEMP%\WUgYgEcc.bat
<Current directory>\lsYs.exe
C:\RCXC.tmp
<Current directory>\LiUA.ico
C:\RCXB.tmp
%TEMP%\TaogYMcE.bat
<Current directory>\Uwko.ico
<Current directory>\ReQE.ico
<Current directory>\qsIW.exe
C:\RCXE.tmp
<Current directory>\QoYS.exe
C:\RCXD.tmp
%TEMP%\AkokksQM.bat
<Current directory>\RgIU.ico
<Current directory>\LwUO.exe
C:\RCX17.tmp
<Current directory>\dsAc.ico
<Current directory>\CkQU.exe
C:\RCX16.tmp
<Current directory>\OiMo.ico
<Current directory>\Msgq.exe
C:\RCX19.tmp
<Current directory>\tQQg.ico
<Current directory>\rksI.exe
C:\RCX18.tmp
C:\RCX15.tmp
<Current directory>\vgIm.exe
C:\RCX13.tmp
%TEMP%\lmwwUcAc.bat
<Current directory>\DQgi.exe
C:\RCX12.tmp
<Current directory>\sIMw.ico
%TEMP%\iEwkEMIE.bat
<Current directory>\AOoI.ico
<Current directory>\iUwQ.exe
<Current directory>\HmEk.ico
<Current directory>\yMMK.exe
C:\RCX14.tmp
C:\RCX2.tmp
<Current directory>\qcgw.ico
<Current directory>\mMgG.exe
%TEMP%\pYoMIcAQ.bat
%TEMP%\XEAQwcEE.bat
<Current directory>\HQoo.exe
<Current directory>\ngAK.exe
C:\RCX4.tmp
<Current directory>\WCME.ico
C:\RCX3.tmp
%TEMP%\kMEsooQs.bat
<Current directory>\DKIM.ico
%TEMP%\file.vbs
%ALLUSERSPROFILE%\casg.txt
C:\Documents and Settings\LocalService\NIMMEwsg\jaQEcQMQ
%TEMP%\mgUUgEAg.bat
%HOMEPATH%\NIMMEwsg\jaQEcQMQ
%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM
%ALLUSERSPROFILE%\lwQggIEM\nwAEcgMA.exe
C:\RCX1.tmp
%TEMP%\NmIMsUUQ.bat
<Current directory>\HAsI.ico
<Current directory>\<Virus name>
<Current directory>\xQcU.ico
<Current directory>\RgUA.exe
<Current directory>\GEsE.exe
C:\RCX9.tmp
%TEMP%\XCkAYEgE.bat
C:\RCX8.tmp
%TEMP%\AeAscEsk.bat
<Current directory>\vQkQ.ico
%TEMP%\iSIwgUIM.bat
<Current directory>\tokw.ico
<Current directory>\oMsW.exe
<Current directory>\LqYs.ico
<Current directory>\UEYO.exe
C:\RCXA.tmp
<Current directory>\rUsI.exe
<Current directory>\gMwa.exe
C:\RCX6.tmp
%TEMP%\NWEcYAsE.bat
<Current directory>\SsIc.exe
C:\RCX5.tmp
<Current directory>\QYcQ.ico
%TEMP%\eCosMIIc.bat
%TEMP%\zSQQUcoc.bat
<Current directory>\QyoI.ico
<Current directory>\qYEs.ico
<Current directory>\ZIok.exe
C:\RCX7.tmp

Deletes the following files:

<Current directory>\AEQc.ico
<Current directory>\cQwe.exe
%TEMP%\jGUMUsMc.bat
<Current directory>\XsQi.exe
<Current directory>\RQIM.ico
<Current directory>\DQgi.exe
<Current directory>\akco.ico
%TEMP%\AkokksQM.bat
<Current directory>\LiUA.ico
<Current directory>\QoYS.exe
<Current directory>\qsIW.exe
<Current directory>\pUYw.ico
<Current directory>\QkQK.exe
<Current directory>\ReQE.ico
<Current directory>\vgIm.exe
<Current directory>\RgIU.ico
<Current directory>\LwUO.exe
<Current directory>\dsAc.ico
<Current directory>\rksI.exe
<Current directory>\OiMo.ico
<Current directory>\Msgq.exe
<Current directory>\tQQg.ico
<Current directory>\yMMK.exe
%TEMP%\lmwwUcAc.bat
<Current directory>\sIMw.ico
<Current directory>\HmEk.ico
<Current directory>\CkQU.exe
<Current directory>\AOoI.ico
<Current directory>\iUwQ.exe
<Current directory>\Uwko.ico
<Current directory>\ngAK.exe
%TEMP%\kMEsooQs.bat
<Current directory>\qcgw.ico
<Current directory>\DKIM.ico
<Current directory>\gMwa.exe
<Current directory>\WCME.ico
<Current directory>\SsIc.exe
<Current directory>\xQcU.ico
<Current directory>\RgUA.exe
%TEMP%\mgUUgEAg.bat
%TEMP%\pYoMIcAQ.bat
<Current directory>\mMgG.exe
<Current directory>\HAsI.ico
<Current directory>\HQoo.exe
<Current directory>\QYcQ.ico
<Current directory>\LqYs.ico
<Current directory>\UEYO.exe
<Current directory>\vQkQ.ico
%TEMP%\iSIwgUIM.bat
<Current directory>\lsYs.exe
<Current directory>\tokw.ico
<Current directory>\oMsW.exe
<Current directory>\qYEs.ico
<Current directory>\ZIok.exe
%TEMP%\eCosMIIc.bat
<Current directory>\rUsI.exe
<Current directory>\GEsE.exe
%TEMP%\AeAscEsk.bat
<Current directory>\QyoI.ico

Moves the following files:

from C:\RCX11.tmp to <Current directory>\XsQi.exe
from C:\RCX12.tmp to <Current directory>\DQgi.exe
from C:\RCX13.tmp to <Current directory>\vgIm.exe
from C:\RCXE.tmp to <Current directory>\qsIW.exe
from C:\RCXF.tmp to <Current directory>\QkQK.exe
from C:\RCX10.tmp to <Current directory>\cQwe.exe
from C:\RCX17.tmp to <Current directory>\LwUO.exe
from C:\RCX18.tmp to <Current directory>\rksI.exe
from C:\RCX19.tmp to <Current directory>\Msgq.exe
from C:\RCX14.tmp to <Current directory>\yMMK.exe
from C:\RCX15.tmp to <Current directory>\iUwQ.exe
from C:\RCX16.tmp to <Current directory>\CkQU.exe
from C:\RCXD.tmp to <Current directory>\QoYS.exe
from C:\RCX4.tmp to <Current directory>\ngAK.exe
from C:\RCX5.tmp to <Current directory>\SsIc.exe
from C:\RCX6.tmp to <Current directory>\gMwa.exe
from C:\RCX1.tmp to <Current directory>\RgUA.exe
from C:\RCX2.tmp to <Current directory>\HQoo.exe
from C:\RCX3.tmp to <Current directory>\mMgG.exe
from C:\RCXA.tmp to <Current directory>\UEYO.exe
from C:\RCXB.tmp to <Current directory>\oMsW.exe
from C:\RCXC.tmp to <Current directory>\lsYs.exe
from C:\RCX7.tmp to <Current directory>\ZIok.exe
from C:\RCX8.tmp to <Current directory>\rUsI.exe
from C:\RCX9.tmp to <Current directory>\GEsE.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: 'jaQEcQMQ.exe'
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: '' WindowName: 'Microsoft Windows'
ClassName: 'Indicator' WindowName: ''
ClassName: '' WindowName: 'AcIcUcAM.exe'

Технологии

Термины

Обучение и просвещение

Мифы

Technical Information

Рекомендации по лечению

Демо бесплатно на 14 дней