Trojan.DownLoader12.32878

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%\lWcwYMgA.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\iMAYcYUw.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\ywgkYAoI.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\nqEMsIYw.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\tYkwgEAY.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\MmAoAsEE.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%\bGowMIcM.bat" "<Full path to virus>""
'<SYSTEM32>\cscript.exe' %TEMP%\file.vbs
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\lYIAEAkc.bat" "<Full path to virus>""

Modifies file system :

Creates the following files:

<Current directory>\dGww.ico
<Current directory>\xsYg.exe
%TEMP%\TiQogkow.bat
<Current directory>\SYoA.ico
<Current directory>\nckC.exe
C:\RCXF.tmp
%TEMP%\nqEMsIYw.bat
C:\RCX11.tmp
<Current directory>\UWMo.ico
C:\RCX10.tmp
<Current directory>\JsYE.ico
<Current directory>\mMMK.exe
C:\RCXE.tmp
<Current directory>\VMIk.exe
C:\RCXC.tmp
%TEMP%\gEAoAkQs.bat
C:\RCXB.tmp
%TEMP%\MmAoAsEE.bat
<Current directory>\CCII.ico
C:\RCXD.tmp
<Current directory>\Nwck.ico
<Current directory>\xEQK.exe
<Current directory>\psgo.ico
%TEMP%\tYkwgEAY.bat
<Current directory>\ZUUe.exe
<Current directory>\LocM.ico
<Current directory>\bwgy.exe
C:\RCX17.tmp
<Current directory>\hsoY.exe
C:\RCX16.tmp
%TEMP%\tysYsEkU.bat
<Current directory>\kYsc.ico
<Current directory>\RYke.exe
C:\RCX19.tmp
<Current directory>\mAcg.ico
<Current directory>\mkMI.exe
C:\RCX18.tmp
<Current directory>\gEgc.ico
<Current directory>\gIse.exe
C:\RCX13.tmp
<Current directory>\qMwo.ico
<Current directory>\bMYq.exe
C:\RCX12.tmp
<Current directory>\gYQk.ico
<Current directory>\CUYa.exe
%TEMP%\AmUoggsM.bat
C:\RCX15.tmp
<Current directory>\bQgm.exe
C:\RCX14.tmp
<Current directory>\dEwk.ico
C:\RCX2.tmp
<Current directory>\pawY.ico
<Current directory>\pMEM.exe
%TEMP%\XYIUsokg.bat
%TEMP%\bGowMIcM.bat
<Current directory>\DkAA.exe
C:\RCX4.tmp
%TEMP%\KusIkogM.bat
<Current directory>\JuQs.ico
C:\RCX3.tmp
<Current directory>\uOAg.ico
<Current directory>\uccc.exe
%TEMP%\file.vbs
%ALLUSERSPROFILE%\casg.txt
C:\Documents and Settings\LocalService\NIMMEwsg\jaQEcQMQ
%TEMP%\gEgIEcoo.bat
%HOMEPATH%\NIMMEwsg\jaQEcQMQ
%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM
%ALLUSERSPROFILE%\lwQggIEM\nwAEcgMA.exe
C:\RCX1.tmp
%TEMP%\lYIAEAkc.bat
<Current directory>\hKUY.ico
<Current directory>\<Virus name>
<Current directory>\suIM.ico
<Current directory>\BgEo.exe
<Current directory>\HEIy.exe
%TEMP%\lWcwYMgA.bat
C:\RCX9.tmp
C:\RCX8.tmp
%TEMP%\cqoQMAIc.bat
<Current directory>\Lekw.ico
%TEMP%\tYIQwEYA.bat
<Current directory>\mScw.ico
<Current directory>\QgsQ.exe
<Current directory>\QuAo.ico
<Current directory>\okoE.exe
C:\RCXA.tmp
<Current directory>\YwAO.exe
<Current directory>\fwcE.ico
<Current directory>\skMu.exe
C:\RCX6.tmp
<Current directory>\ZIMA.exe
C:\RCX5.tmp
%TEMP%\ywgkYAoI.bat
C:\RCX7.tmp
%TEMP%\iMAYcYUw.bat
<Current directory>\HEgk.ico
<Current directory>\aoEk.ico
%TEMP%\ScoUAwIE.bat
<Current directory>\UYgm.exe

Deletes the following files:

<Current directory>\dGww.ico
<Current directory>\xsYg.exe
%TEMP%\TiQogkow.bat
<Current directory>\mMMK.exe
<Current directory>\UWMo.ico
<Current directory>\bMYq.exe
<Current directory>\JsYE.ico
<Current directory>\psgo.ico
<Current directory>\ZUUe.exe
<Current directory>\CCII.ico
<Current directory>\xEQK.exe
<Current directory>\SYoA.ico
<Current directory>\nckC.exe
<Current directory>\Nwck.ico
<Current directory>\gIse.exe
<Current directory>\LocM.ico
<Current directory>\bwgy.exe
<Current directory>\gEgc.ico
<Current directory>\mkMI.exe
<Current directory>\kYsc.ico
<Current directory>\RYke.exe
<Current directory>\mAcg.ico
<Current directory>\qMwo.ico
<Current directory>\bQgm.exe
<Current directory>\gYQk.ico
%TEMP%\AmUoggsM.bat
<Current directory>\hsoY.exe
<Current directory>\dEwk.ico
<Current directory>\CUYa.exe
%TEMP%\gEAoAkQs.bat
<Current directory>\uOAg.ico
<Current directory>\uccc.exe
<Current directory>\pawY.ico
%TEMP%\KusIkogM.bat
<Current directory>\skMu.exe
<Current directory>\JuQs.ico
<Current directory>\ZIMA.exe
<Current directory>\suIM.ico
<Current directory>\BgEo.exe
%TEMP%\gEgIEcoo.bat
%TEMP%\XYIUsokg.bat
<Current directory>\pMEM.exe
<Current directory>\hKUY.ico
<Current directory>\DkAA.exe
<Current directory>\fwcE.ico
<Current directory>\QuAo.ico
<Current directory>\okoE.exe
<Current directory>\Lekw.ico
%TEMP%\tYIQwEYA.bat
<Current directory>\VMIk.exe
<Current directory>\mScw.ico
<Current directory>\QgsQ.exe
<Current directory>\aoEk.ico
<Current directory>\UYgm.exe
%TEMP%\ScoUAwIE.bat
<Current directory>\YwAO.exe
<Current directory>\HEIy.exe
%TEMP%\cqoQMAIc.bat
<Current directory>\HEgk.ico

Moves the following files:

from C:\RCX11.tmp to <Current directory>\mMMK.exe
from C:\RCX12.tmp to <Current directory>\bMYq.exe
from C:\RCX13.tmp to <Current directory>\gIse.exe
from C:\RCXE.tmp to <Current directory>\xEQK.exe
from C:\RCXF.tmp to <Current directory>\nckC.exe
from C:\RCX10.tmp to <Current directory>\xsYg.exe
from C:\RCX17.tmp to <Current directory>\bwgy.exe
from C:\RCX18.tmp to <Current directory>\mkMI.exe
from C:\RCX19.tmp to <Current directory>\RYke.exe
from C:\RCX14.tmp to <Current directory>\bQgm.exe
from C:\RCX15.tmp to <Current directory>\CUYa.exe
from C:\RCX16.tmp to <Current directory>\hsoY.exe
from C:\RCXD.tmp to <Current directory>\ZUUe.exe
from C:\RCX4.tmp to <Current directory>\uccc.exe
from C:\RCX5.tmp to <Current directory>\ZIMA.exe
from C:\RCX6.tmp to <Current directory>\skMu.exe
from C:\RCX1.tmp to <Current directory>\BgEo.exe
from C:\RCX2.tmp to <Current directory>\DkAA.exe
from C:\RCX3.tmp to <Current directory>\pMEM.exe
from C:\RCXA.tmp to <Current directory>\okoE.exe
from C:\RCXB.tmp to <Current directory>\QgsQ.exe
from C:\RCXC.tmp to <Current directory>\VMIk.exe
from C:\RCX7.tmp to <Current directory>\UYgm.exe
from C:\RCX8.tmp to <Current directory>\YwAO.exe
from C:\RCX9.tmp to <Current directory>\HEIy.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