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Win32.HLLW.Autoruner.55341
Added to the Dr.Web virus database:
2011-07-30
Virus description added:
2011-07-30
Technical Information
To ensure autorun and distribution:
Creates the following services:
[<HKLM>\SYSTEM\ControlSet001\Services\WindowsDown] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
<SYSTEM32>\sevser.exe (downloaded from the Internet)
<SYSTEM32>\servet.exe
Executes the following:
<SYSTEM32>\cmd.exe /c <SYSTEM32>\Deledomn.bat
Modifies file system :
Creates the following files:
<SYSTEM32>\sevser.exe
C:\AutoRun.inf
C:\servet.exe
<SYSTEM32>\servet.exe
<SYSTEM32>\Deledomn.bat
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\sevser[1].exe
Sets the 'hidden' attribute to the following files:
C:\servet.exe
C:\AutoRun.inf
<SYSTEM32>\servet.exe
Deletes itself.
Network activity:
Connects to:
'ha####clf.512j.com':80
'localhost':1037
TCP:
HTTP GET requests:
ha####clf.512j.com/sevser.exe
UDP:
DNS ASK ha####clf.512j.com
Miscellaneous:
Searches for the following windows:
ClassName: '#32770' WindowName: 'IE????????'
ClassName: '#32770' WindowName: '???????????????????? - IE??????'
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: '#32770' WindowName: 'IE ????????'
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