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Win32.HLLW.Autoruner1.56153
Added to the Dr.Web virus database:
2013-09-15
Virus description added:
2013-09-15
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'Startup Scan' = '%WINDIR%\<Virus name>.exe/check'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run] 'TST' = '%WINDIR%\inf\<Virus name>.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run] 'TSystem' = '<SYSTEM32>\Restore\THole.exe'
Creates or modifies the following files:
%ALLUSERSPROFILE%\Start Menu\Programs\Startup\Startup.exe
Creates the following files on removable media:
<Drive name for removable media>:\SYS\SYS.exe
<Drive name for removable media>:\Autorun.inf
<Drive name for removable media>:\SYS\AAR.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
blocks execution of the following system utilities:
Windows Task Manager (Taskmgr)
Executes the following:
'<SYSTEM32>\attrib.exe' /pid=1144
'<SYSTEM32>\attrib.exe' /pid=2576
'<SYSTEM32>\net1.exe' /pid=2680
'<SYSTEM32>\attrib.exe' /pid=2796
'<SYSTEM32>\attrib.exe' /pid=2620
'<SYSTEM32>\reg.exe' /pid=2840
'<SYSTEM32>\reg.exe' /pid=2500
'<SYSTEM32>\attrib.exe' /pid=2832
'<SYSTEM32>\attrib.exe' /pid=2720
'<SYSTEM32>\net1.exe' +S +H +R G:\SYS
'<SYSTEM32>\reg.exe' add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL /v CheckedValue /t REG_DWORD /d 1 /f
'<SYSTEM32>\reg.exe' add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL /v DefaultValue /t REG_DWORD /d 2 /f
'<SYSTEM32>\reg.exe' add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\NOHIDDEN /v CheckedValue /t REG_DWORD /d 2 /f
'<SYSTEM32>\reg.exe' add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\NOHIDDEN /v DefaultValue /t REG_DWORD /d 1 /f
'<SYSTEM32>\reg.exe' add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt /v UncheckedValue /t REG_DWORD /d 1 /f
'<SYSTEM32>\net1.exe' +S +H +R E:\SYS
'<SYSTEM32>\net1.exe' +S +H +R F:\SYS
'<SYSTEM32>\net1.exe' /pid=1720
'<SYSTEM32>\net1.exe' /pid=2692
'<SYSTEM32>\reg.exe' /pid=2860
'<SYSTEM32>\net1.exe' +S +H +R Y:\SYS
'<SYSTEM32>\net1.exe' /pid=3936
'<SYSTEM32>\net1.exe' +S +H +R N:\SYS
'<SYSTEM32>\net1.exe' +S +H +R X:\SYS
'<SYSTEM32>\net1.exe' /pid=3968
'<SYSTEM32>\net1.exe' /pid=3780
'<SYSTEM32>\attrib.exe' /pid=412
'<SYSTEM32>\net1.exe' +S +H +R <SYSTEM32>\Restore\THole.exe
'<SYSTEM32>\attrib.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 0 /f
'<SYSTEM32>\attrib.exe' stop "zvregmon"
'<SYSTEM32>\net1.exe' /pid=3528
'<SYSTEM32>\net1.exe' /pid=3492
'<SYSTEM32>\reg.exe' /pid=2736
'<SYSTEM32>\net1.exe' /pid=3008
'<SYSTEM32>\net1.exe' /pid=1608
'<SYSTEM32>\attrib.exe' stop "acssrv"
'<SYSTEM32>\attrib.exe' stop "scanwscs"
'<SYSTEM32>\attrib.exe' stop "Online Protection System"
'<SYSTEM32>\attrib.exe' stop "Core Mail Protection"
'<SYSTEM32>\net1.exe' stop "acssrv"
'<SYSTEM32>\net1.exe' stop "scanwscs"
'<SYSTEM32>\net1.exe' stop "Quick Update Service"
'<SYSTEM32>\net1.exe' stop "Core Mail Protection"
'<SYSTEM32>\net1.exe' stop "ZeroVProtect"
'<SYSTEM32>\attrib.exe' +S +H +R E:\SYS
'<SYSTEM32>\attrib.exe' +S +H +R F:\SYS
'<SYSTEM32>\net1.exe' stop "zvregmon"
'<SYSTEM32>\attrib.exe' +S +H +R <Drive name for removable media>:\SYS
'<SYSTEM32>\net.exe' stop "zvregmon"
'<SYSTEM32>\net.exe' stop "Quick Update Service"
'<SYSTEM32>\net.exe' stop "Core Mail Protection"
'<SYSTEM32>\net.exe' STOP acssrv
'<SYSTEM32>\net.exe' stop "Online Protection System"
'<SYSTEM32>\net.exe' stop "acssrv"
'<SYSTEM32>\net.exe' stop "ZeroVProtect"
'<SYSTEM32>\net1.exe' stop "Online Protection System"
'<SYSTEM32>\net.exe' stop "scanwscs"
'<SYSTEM32>\net1.exe' STOP acssrv
'<SYSTEM32>\attrib.exe' +S +H +R G:\SYS
'<SYSTEM32>\attrib.exe' +S +H +R <SYSTEM32>\com\THole.exe
'<SYSTEM32>\attrib.exe' +S +H +R %WINDIR%\inf\<Virus name>.exe
'<SYSTEM32>\attrib.exe' +S +H +R Z:\SYS
'<SYSTEM32>\attrib.exe' +S +H +R <SYSTEM32>\Restore\THole.exe
'<SYSTEM32>\attrib.exe' +S +H +R %HOMEPATH%\<Virus name>.exe
'<SYSTEM32>\reg.exe' add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\SuperHidden /v CheckedValue /t REG_DWORD /d 1 /f
'<SYSTEM32>\reg.exe' add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\SuperHidden /v UncheckedValue /t REG_DWORD /d 0 /f
'<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 0 /f
'<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
'<SYSTEM32>\attrib.exe' +S +H +R Y:\SYS
'<SYSTEM32>\attrib.exe' +S +H +R J:\SYS
'<SYSTEM32>\attrib.exe' +S +H +R K:\SYS
'<SYSTEM32>\attrib.exe' +S +H +R H:\SYS
'<SYSTEM32>\attrib.exe' +S +H +R I:\SYS
'<SYSTEM32>\attrib.exe' +S +H +R L:\SYS
'<SYSTEM32>\attrib.exe' +S +H +R N:\SYS
'<SYSTEM32>\attrib.exe' +S +H +R X:\SYS
'<SYSTEM32>\attrib.exe' +S +H +R M:\SYS
'<SYSTEM32>\attrib.exe' +S +H +R M:\Autorun.inf
Injects code into
the following system processes:
<SYSTEM32>\attrib.exe
<SYSTEM32>\reg.exe
<SYSTEM32>\net.exe
<SYSTEM32>\net1.exe
Modifies file system :
Creates the following files:
<SYSTEM32>\Com\THole.exe
<SYSTEM32>\Restore\Thole.exe
%WINDIR%\WINDOWS.exe
%WINDIR%\<Virus name>.exe
%ALLUSERSPROFILE%\Start Menu\Programs\NudeFuck.exe
%WINDIR%\inf\<Virus name>.exe
C:\RECYCLER\RECYCLER.exe
C:\Documents and Settings\Documents and Settings.exe
<Current directory>\bf32d3b0.exe
%PROGRAM_FILES%\Program Files.exe
<Auxiliary element>
C:\Far2\Far2.exe
Sets the 'hidden' attribute to the following files:
%WINDIR%\inf\<Virus name>.exe
<SYSTEM32>\Com\THole.exe
<SYSTEM32>\Restore\Thole.exe
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