Trojan.DownLoader12.32897

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%\ssgsoAAo.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\XaQgAMMI.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\yQsQkIAQ.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\HowEUswk.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\RwYQcgUE.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\sGsEQcQk.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\EsgEooYM.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%\RcQAsEgM.bat" "<Full path to virus>""
'<SYSTEM32>\cscript.exe' %TEMP%\file.vbs
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\RQwUIAQQ.bat" "<Full path to virus>""

Modifies file system :

Creates the following files:

C:\RCX10.tmp
%TEMP%\sGsEQcQk.bat
<Current directory>\xoQk.ico
<Current directory>\aKMA.ico
%TEMP%\RSkQYsEY.bat
<Current directory>\aUIK.exe
<Current directory>\ycwi.exe
C:\RCX12.tmp
<Current directory>\HIgg.ico
<Current directory>\qYoK.exe
C:\RCX11.tmp
<Current directory>\UQgM.ico
C:\RCXF.tmp
C:\RCXC.tmp
<Current directory>\IOkg.ico
<Current directory>\HQYo.exe
%TEMP%\ssgsoAAo.bat
<Current directory>\RucQ.ico
<Current directory>\cgIe.exe
C:\RCXE.tmp
<Current directory>\qqUo.ico
<Current directory>\XEUA.exe
C:\RCXD.tmp
<Current directory>\oOMA.ico
<Current directory>\ooAw.exe
<Current directory>\CQQi.exe
C:\RCX17.tmp
<Current directory>\YIAo.ico
<Current directory>\McsG.exe
%TEMP%\HowEUswk.bat
<Current directory>\FsIk.ico
<Current directory>\wAMm.exe
C:\RCX19.tmp
<Current directory>\KAMA.ico
<Current directory>\EAso.exe
C:\RCX18.tmp
<Current directory>\vSIQ.ico
<Current directory>\coIU.exe
C:\RCX16.tmp
<Current directory>\CaUc.ico
<Current directory>\zUUk.exe
C:\RCX14.tmp
%TEMP%\amMgkAsQ.bat
C:\RCX13.tmp
%TEMP%\RwYQcgUE.bat
%TEMP%\nqwMcwkk.bat
<Current directory>\GAwo.ico
<Current directory>\JEcG.exe
<Current directory>\qOMs.ico
<Current directory>\SQga.exe
C:\RCX15.tmp
%TEMP%\EsgEooYM.bat
<Current directory>\wcMm.exe
C:\RCX2.tmp
%TEMP%\gMsIYMkA.bat
%TEMP%\RcQAsEgM.bat
%TEMP%\zCEwkAoE.bat
<Current directory>\CsUY.ico
<Current directory>\pQkM.exe
C:\RCX4.tmp
<Current directory>\QqUA.ico
<Current directory>\CoQQ.exe
C:\RCX3.tmp
%TEMP%\file.vbs
%ALLUSERSPROFILE%\casg.txt
<Current directory>\YWgM.ico
C:\Documents and Settings\LocalService\NIMMEwsg\jaQEcQMQ
%HOMEPATH%\NIMMEwsg\jaQEcQMQ
%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM
%ALLUSERSPROFILE%\lwQggIEM\nwAEcgMA.exe
C:\RCX1.tmp
%TEMP%\RQwUIAQQ.bat
<Current directory>\YuQE.ico
%TEMP%\rCkYwUws.bat
<Current directory>\<Virus name>
<Current directory>\WksK.exe
%TEMP%\oOAowckc.bat
<Current directory>\OAMu.exe
C:\RCX9.tmp
<Current directory>\vAYM.ico
<Current directory>\yEkE.exe
C:\RCX8.tmp
<Current directory>\tycc.ico
<Current directory>\ByAI.ico
<Current directory>\DAUc.exe
C:\RCXB.tmp
<Current directory>\hQUS.exe
C:\RCXA.tmp
%TEMP%\RSAAQEUs.bat
<Current directory>\SWYI.ico
%TEMP%\yQsQkIAQ.bat
<Current directory>\MSEU.ico
<Current directory>\GgkG.exe
<Current directory>\cIYs.ico
<Current directory>\LMUI.exe
C:\RCX5.tmp
<Current directory>\lcMY.exe
C:\RCX7.tmp
%TEMP%\XaQgAMMI.bat
C:\RCX6.tmp
%TEMP%\yUMwUIAI.bat
<Current directory>\uiYs.ico

Deletes the following files:

<Current directory>\xoQk.ico
<Current directory>\qYoK.exe
<Current directory>\aKMA.ico
<Current directory>\ycwi.exe
<Current directory>\CQQi.exe
%TEMP%\amMgkAsQ.bat
<Current directory>\UQgM.ico
<Current directory>\aUIK.exe
<Current directory>\ooAw.exe
<Current directory>\IOkg.ico
<Current directory>\HQYo.exe
<Current directory>\oOMA.ico
%TEMP%\RSkQYsEY.bat
<Current directory>\qqUo.ico
<Current directory>\XEUA.exe
<Current directory>\McsG.exe
<Current directory>\FsIk.ico
<Current directory>\wAMm.exe
<Current directory>\YIAo.ico
<Current directory>\KAMA.ico
<Current directory>\vSIQ.ico
<Current directory>\coIU.exe
<Current directory>\GAwo.ico
<Current directory>\CaUc.ico
<Current directory>\zUUk.exe
<Current directory>\HIgg.ico
<Current directory>\SQga.exe
<Current directory>\JEcG.exe
%TEMP%\nqwMcwkk.bat
<Current directory>\qOMs.ico
<Current directory>\pQkM.exe
%TEMP%\oOAowckc.bat
<Current directory>\QqUA.ico
<Current directory>\CsUY.ico
<Current directory>\GgkG.exe
<Current directory>\cIYs.ico
<Current directory>\LMUI.exe
<Current directory>\CoQQ.exe
<Current directory>\YWgM.ico
<Current directory>\WksK.exe
%TEMP%\rCkYwUws.bat
%TEMP%\gMsIYMkA.bat
<Current directory>\YuQE.ico
<Current directory>\wcMm.exe
%TEMP%\zCEwkAoE.bat
%TEMP%\RSAAQEUs.bat
<Current directory>\vAYM.ico
<Current directory>\hQUS.exe
<Current directory>\DAUc.exe
<Current directory>\RucQ.ico
<Current directory>\cgIe.exe
<Current directory>\ByAI.ico
<Current directory>\tycc.ico
<Current directory>\lcMY.exe
%TEMP%\yUMwUIAI.bat
<Current directory>\MSEU.ico
<Current directory>\uiYs.ico
<Current directory>\OAMu.exe
<Current directory>\SWYI.ico
<Current directory>\yEkE.exe

Moves the following files:

from C:\RCX11.tmp to <Current directory>\qYoK.exe
from C:\RCX12.tmp to <Current directory>\ycwi.exe
from C:\RCX13.tmp to <Current directory>\CQQi.exe
from C:\RCXE.tmp to <Current directory>\ooAw.exe
from C:\RCXF.tmp to <Current directory>\XEUA.exe
from C:\RCX10.tmp to <Current directory>\aUIK.exe
from C:\RCX17.tmp to <Current directory>\wAMm.exe
from C:\RCX18.tmp to <Current directory>\McsG.exe
from C:\RCX19.tmp to <Current directory>\coIU.exe
from C:\RCX14.tmp to <Current directory>\zUUk.exe
from C:\RCX15.tmp to <Current directory>\SQga.exe
from C:\RCX16.tmp to <Current directory>\JEcG.exe
from C:\RCXD.tmp to <Current directory>\HQYo.exe
from C:\RCX4.tmp to <Current directory>\pQkM.exe
from C:\RCX5.tmp to <Current directory>\LMUI.exe
from C:\RCX6.tmp to <Current directory>\GgkG.exe
from C:\RCX1.tmp to <Current directory>\WksK.exe
from C:\RCX2.tmp to <Current directory>\wcMm.exe
from C:\RCX3.tmp to <Current directory>\CoQQ.exe
from C:\RCXA.tmp to <Current directory>\hQUS.exe
from C:\RCXB.tmp to <Current directory>\DAUc.exe
from C:\RCXC.tmp to <Current directory>\cgIe.exe
from C:\RCX7.tmp to <Current directory>\lcMY.exe
from C:\RCX8.tmp to <Current directory>\yEkE.exe
from C:\RCX9.tmp to <Current directory>\OAMu.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