Trojan.DownLoader12.32924

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%\qWEMUEoE.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\NUEQkUEM.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\BscosYgo.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\racgUsAY.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\NGMskAQs.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\bQIsQYgQ.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\xygkgYsI.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%\kAEwkMQo.bat" "<Full path to virus>""
'<SYSTEM32>\cscript.exe' %TEMP%\file.vbs
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\LGkAUgIs.bat" "<Full path to virus>""

Modifies file system :

Creates the following files:

C:\RCXE.tmp
<Current directory>\JuMY.ico
<Current directory>\CAEe.exe
C:\RCXD.tmp
<Current directory>\qgcA.ico
<Current directory>\UIEu.exe
C:\RCX10.tmp
<Current directory>\BYoE.ico
<Current directory>\WUQo.exe
C:\RCXF.tmp
<Current directory>\Oego.ico
<Current directory>\BQwW.exe
<Current directory>\NoYM.exe
<Current directory>\UYEE.ico
<Current directory>\JsoU.exe
C:\RCXB.tmp
<Current directory>\VUwc.ico
<Current directory>\voAq.exe
C:\RCXA.tmp
%TEMP%\racgUsAY.bat
C:\RCXC.tmp
<Current directory>\vqAM.ico
%TEMP%\fAssIIYQ.bat
<Current directory>\RMoM.ico
<Current directory>\jsIG.exe
<Current directory>\toIg.ico
<Current directory>\OAks.exe
C:\RCX17.tmp
<Current directory>\LmEg.ico
<Current directory>\VEkK.exe
C:\RCX16.tmp
<Current directory>\dGoQ.ico
<Current directory>\SYgq.exe
C:\RCX19.tmp
<Current directory>\VyAU.ico
<Current directory>\rcYM.exe
C:\RCX18.tmp
C:\RCX15.tmp
C:\RCX12.tmp
<Current directory>\uOoo.ico
<Current directory>\rUoC.exe
C:\RCX11.tmp
<Current directory>\wGEc.ico
<Current directory>\Hogm.exe
C:\RCX14.tmp
<Current directory>\sKUw.ico
<Current directory>\vgwY.exe
C:\RCX13.tmp
<Current directory>\Imsw.ico
<Current directory>\pUgm.exe
%TEMP%\xygkgYsI.bat
%TEMP%\UUEcwoko.bat
%TEMP%\BscosYgo.bat
<Current directory>\OQwI.ico
%TEMP%\kAEwkMQo.bat
%TEMP%\rAgUMAMo.bat
<Current directory>\gCoU.ico
%TEMP%\NUEQkUEM.bat
<Current directory>\KggU.exe
<Current directory>\rUIW.exe
C:\RCX2.tmp
%TEMP%\DgsQggsw.bat
%TEMP%\OuIAwUwQ.bat
%ALLUSERSPROFILE%\casg.txt
C:\Documents and Settings\LocalService\NIMMEwsg\jaQEcQMQ
%TEMP%\IaQAooQE.bat
%HOMEPATH%\NIMMEwsg\jaQEcQMQ
%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM
%ALLUSERSPROFILE%\lwQggIEM\nwAEcgMA.exe
<Current directory>\rooM.exe
C:\RCX1.tmp
%TEMP%\file.vbs
<Current directory>\<Virus name>
<Current directory>\OGQM.ico
%TEMP%\LGkAUgIs.bat
C:\RCX7.tmp
<Current directory>\PCEs.ico
<Current directory>\sAIG.exe
<Current directory>\QWYk.ico
<Current directory>\DgUS.exe
%TEMP%\bQIsQYgQ.bat
<Current directory>\nWQw.ico
<Current directory>\VcIg.exe
C:\RCX9.tmp
C:\RCX8.tmp
%TEMP%\QmYAQwks.bat
%TEMP%\NGMskAQs.bat
%TEMP%\VugwYcIk.bat
C:\RCX4.tmp
%TEMP%\IqwUMUYQ.bat
%TEMP%\qWEMUEoE.bat
C:\RCX3.tmp
<Current directory>\Neck.ico
<Current directory>\lUYs.exe
<Current directory>\XCMY.ico
<Current directory>\ykAy.exe
C:\RCX6.tmp
<Current directory>\Zcwk.ico
<Current directory>\vwAw.exe
C:\RCX5.tmp

Deletes the following files:

<Current directory>\BQwW.exe
<Current directory>\JuMY.ico
<Current directory>\CAEe.exe
<Current directory>\Oego.ico
<Current directory>\Hogm.exe
<Current directory>\BYoE.ico
<Current directory>\WUQo.exe
<Current directory>\RMoM.ico
<Current directory>\jsIG.exe
<Current directory>\UYEE.ico
<Current directory>\NoYM.exe
<Current directory>\qgcA.ico
<Current directory>\UIEu.exe
<Current directory>\vqAM.ico
<Current directory>\wGEc.ico
<Current directory>\toIg.ico
<Current directory>\OAks.exe
<Current directory>\LmEg.ico
<Current directory>\rcYM.exe
<Current directory>\dGoQ.ico
<Current directory>\SYgq.exe
<Current directory>\VyAU.ico
<Current directory>\pUgm.exe
<Current directory>\uOoo.ico
<Current directory>\rUoC.exe
<Current directory>\Imsw.ico
<Current directory>\VEkK.exe
<Current directory>\sKUw.ico
<Current directory>\vgwY.exe
<Current directory>\JsoU.exe
<Current directory>\KggU.exe
<Current directory>\OQwI.ico
%TEMP%\DgsQggsw.bat
<Current directory>\gCoU.ico
<Current directory>\Neck.ico
<Current directory>\lUYs.exe
%TEMP%\IqwUMUYQ.bat
<Current directory>\OGQM.ico
<Current directory>\rooM.exe
%TEMP%\IaQAooQE.bat
%TEMP%\OuIAwUwQ.bat
<Current directory>\rUIW.exe
%TEMP%\UUEcwoko.bat
%TEMP%\rAgUMAMo.bat
<Current directory>\vwAw.exe
<Current directory>\VcIg.exe
<Current directory>\PCEs.ico
<Current directory>\sAIG.exe
<Current directory>\nWQw.ico
%TEMP%\fAssIIYQ.bat
<Current directory>\VUwc.ico
<Current directory>\voAq.exe
<Current directory>\XCMY.ico
<Current directory>\ykAy.exe
<Current directory>\Zcwk.ico
%TEMP%\VugwYcIk.bat
%TEMP%\QmYAQwks.bat
<Current directory>\QWYk.ico
<Current directory>\DgUS.exe

Moves the following files:

from C:\RCX11.tmp to <Current directory>\WUQo.exe
from C:\RCX12.tmp to <Current directory>\Hogm.exe
from C:\RCX13.tmp to <Current directory>\rUoC.exe
from C:\RCXE.tmp to <Current directory>\UIEu.exe
from C:\RCXF.tmp to <Current directory>\CAEe.exe
from C:\RCX10.tmp to <Current directory>\BQwW.exe
from C:\RCX17.tmp to <Current directory>\OAks.exe
from C:\RCX18.tmp to <Current directory>\rcYM.exe
from C:\RCX19.tmp to <Current directory>\SYgq.exe
from C:\RCX14.tmp to <Current directory>\pUgm.exe
from C:\RCX15.tmp to <Current directory>\vgwY.exe
from C:\RCX16.tmp to <Current directory>\VEkK.exe
from C:\RCXD.tmp to <Current directory>\NoYM.exe
from C:\RCX4.tmp to <Current directory>\lUYs.exe
from C:\RCX5.tmp to <Current directory>\vwAw.exe
from C:\RCX6.tmp to <Current directory>\ykAy.exe
from C:\RCX1.tmp to <Current directory>\rooM.exe
from C:\RCX2.tmp to <Current directory>\rUIW.exe
from C:\RCX3.tmp to <Current directory>\KggU.exe
from C:\RCXA.tmp to <Current directory>\voAq.exe
from C:\RCXB.tmp to <Current directory>\JsoU.exe
from C:\RCXC.tmp to <Current directory>\jsIG.exe
from C:\RCX7.tmp to <Current directory>\DgUS.exe
from C:\RCX8.tmp to <Current directory>\sAIG.exe
from C:\RCX9.tmp to <Current directory>\VcIg.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