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Trojan.KeyLogger.18810
Added to the Dr.Web virus database:
2013-04-11
Virus description added:
2013-04-22
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Windows Reg Services' = '<SYSTEM32>\ffservice.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Reg Services' = '<SYSTEM32>\ffservice.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Reg Services' = '<SYSTEM32>\ffservice.exe'
[<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{a75aed00-d7bf-11d1-9947-00c0Cf98bbc9}] 'StubPath' = '<SYSTEM32>\lservice.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'DirectX For Microsoft® Windows' = '<SYSTEM32>\fservice.exe'
[<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}] 'StubPath' = '%WINDIR%\system\sservice.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe <SYSTEM32>\fservice.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
blocks the following features:
Creates and executes the following:
%WINDIR%\services.exe -XP
<SYSTEM32>\d_service.exe
<SYSTEM32>\fservice.exe
%WINDIR%\andresa-melacia@hotmail.exe
%WINDIR%\down_server.exe
<SYSTEM32>\d_service.exe (downloaded from the Internet)
Executes the following:
<SYSTEM32>\net1.exe STOP srservice
<SYSTEM32>\net1.exe STOP SharedAccess
<SYSTEM32>\cmd.exe /c %WINDIR%\andresa-melacia@hotmail.exe.bat
<SYSTEM32>\net1.exe STOP navapsvc
<SYSTEM32>\net.exe STOP SharedAccess
<SYSTEM32>\rundll32.exe <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen %TEMP%\0,,15189608-EXH,00.jpg
<SYSTEM32>\net.exe STOP navapsvc
<SYSTEM32>\net.exe STOP srservice
Installs hooks to intercept notifications
on keystrokes:
Handler for all processes: <SYSTEM32>\winkey.dll
Terminates or attempts to terminate
the following system processes:
the following user processes:
mpftray.exe
NAVAPW32.EXE
GUARD.EXE
MCAGENT.EXE
nod32.exe
zapro.exe
ZONEALARM.EXE
outpost.exe
smc.exe
AVP.EXE
AVP32.EXE
AVGCC32.EXE
AVGCTRL.EXE
AVPCC.EXE
fsav.exe
fsav32.exe
AVPM.EXE
AVSYNMGR.EXE
Searches for windows to
detect analytical utilities:
ClassName: 'pediy06' WindowName: ''
ClassName: 'GBDYLLO' WindowName: ''
ClassName: 'OLLYDBG' WindowName: ''
Modifies file system :
Creates the following files:
<SYSTEM32>\winkey.dll
%WINDIR%\services.exe
<SYSTEM32>\ffservice.exe
<SYSTEM32>\reginv.dll
<SYSTEM32>\d_service.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\server[1].exe
<SYSTEM32>\lservice.exe
%WINDIR%\down_server.exe
%WINDIR%\andresa-melacia@hotmail.exe
%TEMP%\0,,15189608-EXH,00.jpg
%WINDIR%\system\sservice.exe
<SYSTEM32>\wservice.exe
<SYSTEM32>\fservice.exe
Sets the 'hidden' attribute to the following files:
<SYSTEM32>\lservice.exe
<SYSTEM32>\ffservice.exe
%WINDIR%\services.exe
<SYSTEM32>\fservice.exe
<SYSTEM32>\wservice.exe
%WINDIR%\system\sservice.exe
Deletes the following files:
<SYSTEM32>\ffservice.exe
%WINDIR%\andresa-melacia@hotmail.exe
<SYSTEM32>\Restore\MachineGuid.txt
<SYSTEM32>\lservice.exe
<SYSTEM32>\wservice.exe
<SYSTEM32>\fservice.exe
%WINDIR%\system\sservice.exe
Network activity:
Connects to:
'21#.#01.97.7':53
'15#.164.1.8':53
'15#.#64.23.201':53
'.###oo.com.br':25
'an###a.edu.tr':53
'eg#.edu.tr':53
'www.ic#.com':80
'ge######menta@yahoo.com.br':41100
'www.yo###ite.com':80
'localhost':1037
'<Private IP address>':53
'ge######menta@yahoo.com.br':4112
'ge######menta@yahoo.com.br':4110
TCP:
HTTP GET requests:
www.yo###ite.comhttp://www.yoursite.com/cgi-bin/prorat.cgi?bi#####################################################################################################################################################################################
www.ic#.com/friendship/email_thank_you.php?fo#################################################################################################################################################################################
www.yo###ite.com/server.exe
UDP:
DNS ASK an###a.edu.tr
DNS ASK ya###.com.br
DNS ASK .###oo.com.br
DNS ASK eg#.edu.tr
DNS ASK www.yo###ite.com
DNS ASK ge######menta@yahoo.com.br
DNS ASK www.ic#.com
Miscellaneous:
Searches for the following windows:
ClassName: '' WindowName: ''
ClassName: '' WindowName: 'ProConnective'
ClassName: '' WindowName: 'Windows services '
ClassName: 'Indicator' WindowName: ''
ClassName: 'ShImgVw:CPreviewWnd' WindowName: ''
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: '' WindowName: 'Windows services '
Curing recommendations
Windows
macOS
Linux
Android
If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space .
If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
Switch off your device and turn it on as normal.
Find out more about Dr.Web for Android
Download Dr.Web for Android
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