Trojan.DownLoader26.3871

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,%ALLUSERSPROFILE%\WuIEgAsU\lacMcYws.exe,'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'lacMcYws.exe' = '%ALLUSERSPROFILE%\WuIEgAsU\lacMcYws.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'SSIkQYgQ.exe' = '%HOMEPATH%\gOEYMkgs\SSIkQYgQ.exe'

Creates the following services:

[<HKLM>\SYSTEM\ControlSet001\Services\vwYgEQEb] 'ImagePath' = '%ALLUSERSPROFILE%\tuIMYcEM\ZgMYMIIE.exe'
[<HKLM>\SYSTEM\ControlSet001\Services\vwYgEQEb] '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)

Modifies file system:

Creates the following files:

C:\RCX11.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\horses.bmp.exe
<Current directory>\DOMw.ico
<Current directory>\zIQm.exe
C:\RCX10.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\guitar.bmp.exe
<Current directory>\PIUg.ico
<Current directory>\Dkgi.exe
C:\RCX13.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\lift-off.bmp.exe
<Current directory>\qqcQ.ico
<Current directory>\rAIW.exe
C:\RCX12.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\kick.bmp.exe
<Current directory>\YQsU.ico
<Current directory>\RQgq.exe
C:\RCXD.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\duck.bmp.exe
<Current directory>\mEMA.ico
<Current directory>\fksq.exe
C:\RCXC.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\drip.bmp.exe
<Current directory>\reoY.ico
<Current directory>\zkkK.exe
C:\RCXF.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\frog.bmp.exe
<Current directory>\XMYI.ico
<Current directory>\igoS.exe
C:\RCXE.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\fish.bmp.exe
<Current directory>\Tcgw.ico
<Current directory>\HgcO.exe
<Current directory>\yQYS.exe
C:\RCX19.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\guest.bmp.exe
<Current directory>\xuAw.ico
<Current directory>\ZwkU.exe
C:\RCX18.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\snowflake.bmp.exe
<Current directory>\QqUg.ico
%TEMP%\qScMYgYk.bat
<Current directory>\CiMI.ico
<Current directory>\xIgw.exe
%TEMP%\jgUcocIw.bat
<Current directory>\MEAk.exe
C:\RCX1A.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\%USERNAME%.bmp.exe
<Current directory>\EkAw.ico
<Current directory>\kMMi.exe
C:\RCX15.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\pink flower.bmp.exe
<Current directory>\ZYUE.ico
C:\RCX14.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\palm tree.bmp.exe
%TEMP%\DaYIMMAE.bat
<Current directory>\IUwk.ico
<Current directory>\NgoY.exe
C:\RCX17.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\skater.bmp.exe
<Current directory>\Ciow.ico
<Current directory>\XIki.exe
C:\RCX16.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\red flower.bmp.exe
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\airplane.bmp.exe
<Current directory>\XOkM.ico
<Current directory>\Eksc.exe
C:\RCX2.tmp
<Current directory>\moMg.ico
%TEMP%\ekMIwsEE.bat
<Current directory>\XgwC.exe
C:\RCX3.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\ball.bmp.exe
<Current directory>\xqgk.ico
<Current directory>\NAYE.exe
C:\RCX4.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\astronaut.bmp.exe
<Current directory>\RmsY.ico
<Current directory>\pwAS.exe
C:\RCX1.tmp
%ALLUSERSPROFILE%\WuIEgAsU\lacMcYws.exe
%ALLUSERSPROFILE%\tuIMYcEM\ZgMYMIIE.exe
%HOMEPATH%\gOEYMkgs\SSIkQYgQBLQV
%HOMEPATH%\gOEYMkgs\SSIkQYgQ.exe
<Current directory>\<File name>GQVI
%HOMEPATH%\gOEYMkgs\SSIkQYgQ
%ALLUSERSPROFILE%\WuIEgAsU\lacMcYws
%ALLUSERSPROFILE%\WuIEgAsU\lacMcYwsCOUK
C:\Documents and Settings\LocalService\gOEYMkgs\SSIkQYgQ
%TEMP%\auYQgowQ.bat
<Current directory>\<File name>
<Current directory>\nsIo.exe
%ALLUSERSPROFILE%\caQc.txt
%ALLUSERSPROFILE%\tuIMYcEM\ZgMYMIIENRTH
<Current directory>\nKIw.ico
C:\RCX5.tmp
<Current directory>\bQYS.exe
C:\RCXA.tmp
%TEMP%\moMUwgoI.bat
<Current directory>\WeMs.ico
<Current directory>\IUEw.exe
C:\RCX9.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\chess.bmp.exe
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\dirt bike.bmp.exe
<Current directory>\heAM.ico
%TEMP%\mSoEgYoI.bat
<Current directory>\aEAY.exe
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\dog.bmp.exe
<Current directory>\EoAI.ico
<Current directory>\gckQ.exe
C:\RCXB.tmp
<Current directory>\KagE.ico
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\butterfly.bmp.exe
<Current directory>\QeEo.ico
<Current directory>\dIgu.exe
C:\RCX6.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\beach.bmp.exe
<Current directory>\TsIk.ico
<Current directory>\wcIo.exe
C:\RCX7.tmp
C:\RCX8.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\cat.bmp.exe
%TEMP%\poYYcAgw.bat
<Current directory>\NIAk.exe
%TEMP%\uYcsMcQY.bat
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\car.bmp.exe
<Current directory>\GOUA.ico

Deletes the following files:

<Current directory>\PIUg.ico
<Current directory>\Dkgi.exe
<Current directory>\XMYI.ico
<Current directory>\zIQm.exe
<Current directory>\YQsU.ico
<Current directory>\HgcO.exe
<Current directory>\DOMw.ico
<Current directory>\rAIW.exe
<Current directory>\reoY.ico
<Current directory>\zkkK.exe
<Current directory>\heAM.ico
<Current directory>\fksq.exe
<Current directory>\Tcgw.ico
<Current directory>\RQgq.exe
<Current directory>\mEMA.ico
<Current directory>\igoS.exe
<Current directory>\yQYS.exe
<Current directory>\xuAw.ico
<Current directory>\ZwkU.exe
<Current directory>\EkAw.ico
%TEMP%\jgUcocIw.bat
<Current directory>\CiMI.ico
<Current directory>\MEAk.exe
<Current directory>\QqUg.ico
%TEMP%\DaYIMMAE.bat
<Current directory>\ZYUE.ico
<Current directory>\qqcQ.ico
<Current directory>\kMMi.exe
<Current directory>\NgoY.exe
<Current directory>\Ciow.ico
<Current directory>\XIki.exe
<Current directory>\IUwk.ico
<Current directory>\aEAY.exe
<Current directory>\Eksc.exe
<Current directory>\XOkM.ico
<Current directory>\XgwC.exe
<Current directory>\moMg.ico
<Current directory>\NAYE.exe
<Current directory>\xqgk.ico
<Current directory>\pwAS.exe
<Current directory>\RmsY.ico
%ALLUSERSPROFILE%\WuIEgAsU\lacMcYwsCOUK
%ALLUSERSPROFILE%\tuIMYcEM\ZgMYMIIENRTH
<Current directory>\<File name>GQVI
%HOMEPATH%\gOEYMkgs\SSIkQYgQBLQV
<Current directory>\nKIw.ico
%TEMP%\ekMIwsEE.bat
%TEMP%\auYQgowQ.bat
<Current directory>\nsIo.exe
%TEMP%\moMUwgoI.bat
<Current directory>\bQYS.exe
<Current directory>\IUEw.exe
<Current directory>\KagE.ico
<Current directory>\EoAI.ico
%TEMP%\mSoEgYoI.bat
<Current directory>\WeMs.ico
<Current directory>\gckQ.exe
%TEMP%\uYcsMcQY.bat
<Current directory>\dIgu.exe
<Current directory>\wcIo.exe
<Current directory>\TsIk.ico
<Current directory>\GOUA.ico
%TEMP%\poYYcAgw.bat
<Current directory>\QeEo.ico
<Current directory>\NIAk.exe

Substitutes the following files:

<Current directory>\zIQm.exe
<Current directory>\Dkgi.exe
<Current directory>\rAIW.exe
<Current directory>\zkkK.exe
<Current directory>\igoS.exe
<Current directory>\RQgq.exe
<Current directory>\HgcO.exe
<Current directory>\ZwkU.exe
<Current directory>\yQYS.exe
<Current directory>\MEAk.exe
<Current directory>\kMMi.exe
<Current directory>\XIki.exe
<Current directory>\NgoY.exe
<Current directory>\fksq.exe
<Current directory>\Eksc.exe
<Current directory>\pwAS.exe
<Current directory>\NAYE.exe
<Current directory>\<File name>GQVI
<Current directory>\nsIo.exe
<Current directory>\XgwC.exe
<Current directory>\wcIo.exe
<Current directory>\bQYS.exe
<Current directory>\gckQ.exe
<Current directory>\aEAY.exe
<Current directory>\dIgu.exe
<Current directory>\NIAk.exe
<Current directory>\IUEw.exe

Network activity:

Connects to:

'74.##5.232.51':80

TCP:

HTTP GET requests:

http://google.com/ via 74.##5.232.51

UDP:

DNS ASK google.com

Miscellaneous:

Searches for the following windows:

ClassName: '' WindowName: 'SSIkQYgQ.exe'
ClassName: '' WindowName: 'Microsoft Windows'
ClassName: '' WindowName: 'lacMcYws.exe'

Creates and executes the following:

'%ALLUSERSPROFILE%\WuIEgAsU\lacMcYws.exe'
'%ALLUSERSPROFILE%\tuIMYcEM\ZgMYMIIE.exe'
'<Full path to file>'
'%HOMEPATH%\gOEYMkgs\SSIkQYgQ.exe'

Executes the following:

'<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v Hidden /t REG_DWORD /d 2
'<SYSTEM32>\reg.exe' add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /d 0 /t REG_DWORD /f
'<SYSTEM32>\cmd.exe' /c "<Current directory>\<File name>"
'<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v HideFileExt /t REG_DWORD /d 1

Технологии

Термины

Обучение и просвещение

Мифы

Technical Information

Рекомендации по лечению

Демо бесплатно на 14 дней