Trojan.Click2.55436

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Classes\.NewIE0\shell\open\command] '' = 'IEXPLORE.EXE '
[<HKLM>\SOFTWARE\Classes\.NewIE\shell\open\command] '' = 'IEXPLORE.EXE http://www.luowo.com/?0828'

Malicious functions:

To complicate detection of its presence in the operating system,

forces the system hide from view:

file extensions

Creates and executes the following:

'%WINDIR%\1059\mone.jpg'
'%WINDIR%\1059\spring.jpg' 1424
'C:\system\syswin\baidu.exe'
'%WINDIR%\1059\women.jpg' C:\system\syswin\baidu.exe===

Executes the following:

'<SYSTEM32>\cmd.exe' /c ""C:\system\syswin\taobao.bat" "
'%WINDIR%\regedit.exe' /s "%WINDIR%\1059\jia.reg"
'<SYSTEM32>\wscript.exe' "C:\system\syswin\PPTT.vbs"
'%PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE' http://www.lu##o.net/51tj/get.asp?ma#################################################################################################################

Modifies file system :

Creates the following files:

%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\get[1].asp
%WINDIR%\1059\Sunset.jpg
%APPDATA%\Microsoft\Internet Explorer\Quick Launch\Internet Explorer.NewIE
%WINDIR%\1059\jia.reg
%WINDIR%\1059\mone.jpg
%WINDIR%\1059\spring.jpg
%WINDIR%\1059\winner.jpg
%HOMEPATH%\Start Menu\Internet Explorer.NewIE
%HOMEPATH%\Desktop\.NewIE0
%HOMEPATH%\Start Menu\Programs\.NewIE0
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\qq[1].html
%HOMEPATH%\Start Menu\.NewIE0
%HOMEPATH%\Desktop\Internet Explorer.NewIE
%HOMEPATH%\Start Menu\Programs\Internet Explorer.NewIE
%APPDATA%\Microsoft\Internet Explorer\Quick Launch\.NewIE0
%WINDIR%\1059\women.jpg
%WINDIR%\1059\3.ico
%WINDIR%\1059\4.ico
%WINDIR%\1059\5.ico
%WINDIR%\1059\2.ico
C:\system\syswin\PPTT.vbs
C:\system\syswin\baidu.exe
C:\system\syswin\taobao.bat
%WINDIR%\1059\6.ico
%WINDIR%\1059\11.ico
%WINDIR%\1059\17.ico
%WINDIR%\1059\13.ico
%WINDIR%\1059\10.ico
%WINDIR%\1059\7.ico
%WINDIR%\1059\8.ico
%WINDIR%\1059\9.ico

Deletes the following files:

C:\system\syswin\baidu.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\get[1].asp

Network activity:

Connects to:

'www.19##0.com':80
'29##1.com':80
'19##0.com':80
'www.30##9.cn':80
'www.lu##o.net':80
'localhost':1036
'www.lu##o.com':80
'localhost':1039

TCP:

HTTP GET requests:

29##1.com/new2.html
19##0.com/qq.html
www.lu##o.net/51tj/get.asp?ma#################################################################################################################
29##1.com/a.html

UDP:

DNS ASK www.19##0.com
DNS ASK www.30##9.cn
DNS ASK 19##0.com
DNS ASK www.lu##o.net
DNS ASK www.lu##o.com
DNS ASK 29##1.com

Miscellaneous:

Searches for the following windows:

ClassName: 'MS_WebcheckMonitor' WindowName: ''
ClassName: 'IEFrame' WindowName: ''
ClassName: 'RegEdit_RegEdit' WindowName: ''
ClassName: 'MS_AutodialMonitor' WindowName: ''
ClassName: 'EDIT' WindowName: ''
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: '' WindowName: ''

Curing recommendations

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.

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Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

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Download on App Store

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

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Download Dr.Web

Download by serial number

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.

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