Trojan.DownLoader12.32940

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%\cAQMAQIc.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\pKEAcUkI.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\ducIMMEM.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\UmUYAsIw.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\uQIEYYEg.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\rSccoEsw.bat" "<Full path to virus>""
'<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>\reg.exe' add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /d 0 /t REG_DWORD /f
'<SYSTEM32>\cscript.exe' %TEMP%\file.vbs
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\UwQsMQYs.bat" "<Full path to virus>""

Modifies file system :

Creates the following files:

<Current directory>\YusQ.ico
<Current directory>\IgYS.exe
C:\RCX11.tmp
<Current directory>\YiEQ.ico
<Current directory>\VQAo.exe
C:\RCX10.tmp
<Current directory>\KAwi.exe
C:\RCX12.tmp
<Current directory>\pccQ.ico
%TEMP%\aKoEwAcw.bat
%TEMP%\ducIMMEM.bat
<Current directory>\IWUM.ico
C:\RCXD.tmp
%TEMP%\QAswgcEI.bat
<Current directory>\UgkQ.ico
C:\RCXC.tmp
<Current directory>\iMws.ico
<Current directory>\UsUI.exe
<Current directory>\SiwU.ico
<Current directory>\xYgC.exe
C:\RCXF.tmp
<Current directory>\FEEA.exe
%TEMP%\cAQMAQIc.bat
C:\RCXE.tmp
C:\RCX17.tmp
<Current directory>\beEw.ico
<Current directory>\HIQo.exe
C:\RCX16.tmp
<Current directory>\oGAE.ico
<Current directory>\SgIU.exe
C:\RCX19.tmp
%TEMP%\AUoksEEY.bat
%TEMP%\UmUYAsIw.bat
C:\RCX18.tmp
<Current directory>\DWIc.ico
<Current directory>\zoMo.exe
<Current directory>\UMAa.exe
C:\RCX14.tmp
<Current directory>\JiwA.ico
<Current directory>\NsMA.exe
C:\RCX13.tmp
<Current directory>\IMEE.ico
<Current directory>\xscA.ico
<Current directory>\NYUi.exe
%TEMP%\uQIEYYEg.bat
<Current directory>\GQMQ.exe
C:\RCX15.tmp
%TEMP%\uuoMsIwM.bat
<Current directory>\qOcc.ico
<Current directory>\lsoU.exe
C:\RCX3.tmp
<Current directory>\GAQE.exe
C:\RCX2.tmp
%TEMP%\file.vbs
%TEMP%\mQAEwMQI.bat
<Current directory>\LYcY.ico
<Current directory>\kwAs.exe
<Current directory>\qoYo.ico
<Current directory>\kcMi.exe
C:\RCX4.tmp
%ALLUSERSPROFILE%\casg.txt
C:\Documents and Settings\LocalService\NIMMEwsg\jaQEcQMQ
<Current directory>\HuwA.ico
%HOMEPATH%\NIMMEwsg\jaQEcQMQ
%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM
%ALLUSERSPROFILE%\lwQggIEM\nwAEcgMA.exe
C:\RCX1.tmp
%TEMP%\UwQsMQYs.bat
<Current directory>\Ssok.ico
%TEMP%\fwQEgwco.bat
<Current directory>\<Virus name>
<Current directory>\jMUM.exe
%TEMP%\pKEAcUkI.bat
<Current directory>\qacQ.ico
<Current directory>\vMUA.exe
<Current directory>\YQMO.exe
C:\RCX9.tmp
%TEMP%\mWsAggcg.bat
C:\RCXB.tmp
<Current directory>\hgEE.ico
<Current directory>\lcUA.exe
C:\RCXA.tmp
<Current directory>\xGMg.ico
<Current directory>\TsQw.exe
<Current directory>\MsEO.exe
C:\RCX6.tmp
<Current directory>\oEsg.ico
C:\RCX5.tmp
%TEMP%\rSccoEsw.bat
<Current directory>\iiQg.ico
<Current directory>\HkAe.exe
C:\RCX8.tmp
<Current directory>\LOwM.ico
<Current directory>\gcAy.exe
C:\RCX7.tmp
<Current directory>\WWQo.ico

Deletes the following files:

<Current directory>\YusQ.ico
<Current directory>\IgYS.exe
%TEMP%\aKoEwAcw.bat
<Current directory>\KAwi.exe
<Current directory>\pccQ.ico
<Current directory>\NsMA.exe
<Current directory>\IWUM.ico
<Current directory>\UgkQ.ico
<Current directory>\FEEA.exe
<Current directory>\iMws.ico
<Current directory>\xYgC.exe
<Current directory>\YiEQ.ico
<Current directory>\VQAo.exe
<Current directory>\SiwU.ico
<Current directory>\HIQo.exe
<Current directory>\oGAE.ico
<Current directory>\SgIU.exe
<Current directory>\beEw.ico
%TEMP%\AUoksEEY.bat
<Current directory>\DWIc.ico
<Current directory>\zoMo.exe
<Current directory>\GQMQ.exe
<Current directory>\IMEE.ico
<Current directory>\UMAa.exe
<Current directory>\JiwA.ico
<Current directory>\xscA.ico
<Current directory>\NYUi.exe
%TEMP%\uuoMsIwM.bat
%TEMP%\QAswgcEI.bat
%TEMP%\mQAEwMQI.bat
<Current directory>\qoYo.ico
<Current directory>\kcMi.exe
<Current directory>\kwAs.exe
<Current directory>\iiQg.ico
<Current directory>\MsEO.exe
<Current directory>\LYcY.ico
<Current directory>\HuwA.ico
<Current directory>\jMUM.exe
%TEMP%\fwQEgwco.bat
<Current directory>\GAQE.exe
<Current directory>\qOcc.ico
<Current directory>\lsoU.exe
<Current directory>\Ssok.ico
<Current directory>\TsQw.exe
<Current directory>\qacQ.ico
<Current directory>\vMUA.exe
<Current directory>\xGMg.ico
<Current directory>\UsUI.exe
<Current directory>\hgEE.ico
<Current directory>\lcUA.exe
<Current directory>\HkAe.exe
<Current directory>\oEsg.ico
<Current directory>\gcAy.exe
<Current directory>\WWQo.ico
<Current directory>\LOwM.ico
<Current directory>\YQMO.exe
%TEMP%\mWsAggcg.bat

Moves the following files:

from C:\RCX11.tmp to <Current directory>\IgYS.exe
from C:\RCX12.tmp to <Current directory>\KAwi.exe
from C:\RCX13.tmp to <Current directory>\NsMA.exe
from C:\RCXE.tmp to <Current directory>\FEEA.exe
from C:\RCXF.tmp to <Current directory>\xYgC.exe
from C:\RCX10.tmp to <Current directory>\VQAo.exe
from C:\RCX17.tmp to <Current directory>\SgIU.exe
from C:\RCX18.tmp to <Current directory>\HIQo.exe
from C:\RCX19.tmp to <Current directory>\zoMo.exe
from C:\RCX14.tmp to <Current directory>\UMAa.exe
from C:\RCX15.tmp to <Current directory>\GQMQ.exe
from C:\RCX16.tmp to <Current directory>\NYUi.exe
from C:\RCXD.tmp to <Current directory>\UsUI.exe
from C:\RCX4.tmp to <Current directory>\kcMi.exe
from C:\RCX5.tmp to <Current directory>\kwAs.exe
from C:\RCX6.tmp to <Current directory>\MsEO.exe
from C:\RCX1.tmp to <Current directory>\jMUM.exe
from C:\RCX2.tmp to <Current directory>\GAQE.exe
from C:\RCX3.tmp to <Current directory>\lsoU.exe
from C:\RCXA.tmp to <Current directory>\vMUA.exe
from C:\RCXB.tmp to <Current directory>\TsQw.exe
from C:\RCXC.tmp to <Current directory>\lcUA.exe
from C:\RCX7.tmp to <Current directory>\gcAy.exe
from C:\RCX8.tmp to <Current directory>\HkAe.exe
from C:\RCX9.tmp to <Current directory>\YQMO.exe

Deletes itself.

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: 'Microsoft Windows'
ClassName: '' WindowName: 'jaQEcQMQ.exe'
ClassName: 'Indicator' WindowName: ''
ClassName: '' WindowName: 'AcIcUcAM.exe'

Технологии

Термины

Обучение и просвещение

Мифы

Technical Information

Рекомендации по лечению

Демо бесплатно на 14 дней