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Win32.HLLW.Autoruner2.20015

Added to the Dr.Web virus database: 2015-04-10

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RsAgent.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RsMain.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rfwmain.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavStub.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rfwsrv.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SREngLdr.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rsaupd.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rfwProxy.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rfwstub.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kmailmon.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kavstart.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KASARP.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kwatch.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\GuardField.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\GFUpd.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVPFW.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Runiep.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ArSwp.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\VsTskMgr.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\naPrdMgr.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kissvc.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kav32.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rtvscan.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mcshield.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ccEvtMgr.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ccSetMgr.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KPfwSvc.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\TrojanDetector.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Trojanwall.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RSTray.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\QQDoctor.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\HijackThis.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AutoRun.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\TrojDie.KXP] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\PFW.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMonD.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ScanFrm.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RAVTRAY.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\CCenter.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rsnetsvr.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\IceSword.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMon.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavTask.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Ravservice.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360safebox.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360rpt.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360safe.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AVP.COM] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AvMonitor.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\safeboxTray.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AVP.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Iparmor.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Regedit.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AutoRunKiller.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Ast.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\WOPTILITIES.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ANTIARP.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RAV.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\VPC32.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\VPTRAY.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Mmsk.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KVSrvXP.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Navapsvc.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KVWSC.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KVMonxp.KXP] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KRegEx.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Frameworkservice.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Nod32kui.EXE] 'debugger' = 'ntsd -d'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nod32krn.EXE] 'debugger' = 'ntsd -d'
Creates the following files on removable media:
  • <Drive name for removable media>:\GRIL.PIF
  • <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
Executes the following:
  • '<SYSTEM32>\taskkill.exe' /im avp.exe /f
  • '<SYSTEM32>\conhost.exe' /c taskkill /im avp.exe /f
  • '<SYSTEM32>\rundll32.exe' C:\qfive.dll,RSDK
  • '<SYSTEM32>\notepad.exe'
  • '<SYSTEM32>\sc.exe' delete avp
Terminates or attempts to terminate
the following user processes:
  • ccapp.exe
Modifies file system :
Creates the following files:
  • \Device\HarddiskVolume3\AUTORUN.INF
  • C:\GRIL.PIF
  • \Device\HarddiskVolume3\GRIL.PIF
  • <Auxiliary element>
  • %WINDIR%\Fonts\smyns.sys
  • %TEMP%\dllDA76.tmp
  • C:\qfive.dll
  • %WINDIR%\Fonts\WOHSLS.fon
  • C:\AUTORUN.INF
  • %WINDIR%\Fonts\smvss.sys
Sets the 'hidden' attribute to the following files:
  • \Device\HarddiskVolume3\GRIL.PIF
  • \Device\HarddiskVolume3\AUTORUN.INF
  • <Drive name for removable media>:\GRIL.PIF
  • <Drive name for removable media>:\AUTORUN.INF
  • C:\qfive.dll
  • <Full path to virus>
  • C:\GRIL.PIF
  • C:\AUTORUN.INF
Deletes the following files:
  • %WINDIR%\Fonts\smyns.sys
  • %WINDIR%\Fonts\smvss.sys
  • %WINDIR%\Fonts\WOHSLS.fon
Network activity:
UDP:
  • DNS ASK dn#.##ftncsi.com
  • DNS ASK c.##c9.com
Miscellaneous:
Searches for the following windows:
  • ClassName: '' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'Notepad' WindowName: ''
  • ClassName: 'AfxControlBar42s' WindowName: ''