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WORM_OTORUN.BN

October 08, 2012
 Analysis by: jont
 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Worm

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Copies itself in all available physical drives, Propagates via removable drives

The dropped file is injected in all running processes.

  TECHNICAL DETAILS

File Size:

76,800 bytes

File Type:

PE

File Compression:

UPX

Memory Resident:

No

Initial Samples Received Date:

12 Nov 2010

Payload:

Drops files

Installation

This worm drops the following copies of itself into the affected system:

  • %Program Files%\Common Files\Microsoft Shared\explorer.exe
  • C:\TSTP\winlogon.exe

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.)

It drops the following component file(s):

  • %Program Files%\Common Files\ips888.dll - detected by Trend Micro as SPYW_SPYMYPC

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.)

The dropped file is injected in all running processes.

Other System Modifications

This worm adds the following registry entries as part of its installation routine:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
exefile
NeverShowExt = 1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
system
DisableRegistryTools = 1

(Note: The default value data of the said registry entry is 0.)

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
System
DisableRegistryTools = 1

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Associations
ModRiskFileTypes = 1

HKEY_CLASSES_ROOT\exefile
NeverShowExt = 1

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Control\StorageDevicePolicies
WriteProtect = 0

It modifies the following registry entries to hide files with Hidden attributes:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
Advanced
ShowSuperHidden = 0

(Note: The default value data of the said registry entry is 1.)

Propagation

This worm drops the following copy of itself in all physical and removable drives:

  • My Documents.exe
  • My Pictures.exe

Other Details

This worm does the following:

  • Creates the following registry entries under a certain registry key:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\{application name}
    Debugger = "ntsd -d"
    Where {application name} may be any of the following:
    • 360rp.exe
    • 360rpt.exe
    • 360Safe.exe
    • 360safebox.exe
    • 360sd.exe
    • 360sdrun.exe
    • 360tray.exe
    • 799d.exe
    • adam.exe
    • AgentSvr.exe
    • AntiU.exe
    • AoYun.exe
    • appdllman.exe
    • AppSvc32.exe
    • ArSwp.exe
    • ArSwp2.exe
    • ArSwp3.exe
    • AST.exe
    • atpup.exe
    • auto.exe
    • AutoRun.exe
    • autoruns.exe
    • av.exe
    • AvastU3.exe
    • avconsol.exe
    • avgrssvc.exe
    • AvMonitor.exe
    • avp.com
    • avp.exe
    • AvU3Launcher.exe
    • CCenter.exe
    • ccSvcHst.exe
    • cross.exe
    • Discovery.exe
    • DSMain.exe
    • EGHOST.exe
    • FileDsty.exe
    • filmst.exe
    • FTCleanerShell.exe
    • FYFireWall.exe
    • ghost.exe
    • guangd.exe
    • HijackThis.exe
    • IceSword.exe
    • iparmo.exe
    • Iparmor.exe
    • irsetup.exe
    • isPwdSvc.exe
    • jisu.exe
    • kabaload.exe
    • KaScrScn.SCR
    • KASMain.exe
    • KASTask.exe
    • KAV32.exe
    • KAVDX.exe
    • KAVPF.exe
    • KAVPFW.exe
    • KAVSetup.exe
    • kavstart.exe
    • kernelwind32.exe
    • KISLnchr.exe
    • kissvc.exe
    • KMailMon.exe
    • KMFilter.exe
    • KPFW32.exe
    • KPFW32X.exe
    • KPfwSvc.exe
    • KRegEx.exe
    • KRepair.com
    • KsLoader.exe
    • KSWebShield.exe
    • KVCenter.kxp
    • KvDetect.exe
    • KvfwMcl.exe
    • KVMonXP.kxp
    • KVMonXP_1.kxp
    • kvol.exe
    • kvolself.exe
    • KvReport.kxp
    • KVScan.kxp
    • KVSrvXP.exe
    • KVStub.kxp
    • kvupload.exe
    • kvwsc.exe
    • KvXP.kxp
    • KvXP_1.kxp
    • KWatch.exe
    • KWatch9x.exe
    • KWatchX.exe
    • KWSMain.exe
    • kwstray.exe
    • KWSUpd.exe
    • loaddll.exe
    • logogo.exe
    • MagicSet.exe
    • mcconsol.exe
    • mmqczj.exe
    • mmsk.exe
    • Navapsvc.exe
    • Navapw32.exe
    • NAVSetup.exe
    • niu.exe
    • nod32.exe
    • nod32krn.exe
    • nod32kui.exe
    • NPFMntor.exe
    • pagefile.exe
    • pagefile.pif
    • pfserver.exe
    • PFW.exe
    • PFWLiveUpdate.exe
    • qheart.exe
    • QHSET.exe
    • QQDoctor.exe
    • QQDoctorMain.exe
    • QQDoctorRtp.exe
    • QQKav.exe
    • QQPCMgr.exe
    • QQPCRTP.exe
    • QQPCSmashFile.exe
    • QQPCTray.exe
    • QQSC.exe
    • qsetup.exe
    • Ras.exe
    • Rav.exe
    • ravcopy.exe
    • RavMon.exe
    • RavMonD.exe
    • RavStub.exe
    • RavTask.exe
    • RegClean.exe
    • rfwcfg.exe
    • rfwmain.exe
    • rfwProxy.exe
    • rfwsrv.exe
    • RsAgent.exe
    • Rsaupd.exe
    • rsnetsvr.exe
    • RsTray.exe
    • rstrui.exe
    • runiep.exe
    • safeboxTray.exe
    • safelive.exe
    • scan32.exe
    • ScanFrm.exe
    • ScanU3.exe
    • SDGames.exe
    • SelfUpdate.exe
    • servet.exe
    • shcfg32.exe
    • SmartUp.exe
    • sos.exe
    • SREng.EXE
    • SREngPS.EXE
    • stormii.exe
    • sxgame.exe
    • symlcsvc.exe
    • SysSafe.exe
    • tmp.exe
    • TNT.Exe
    • TrojanDetector.exe
    • Trojanwall.exe
    • TrojDie.kxp
    • TxoMoU.Exe
    • UFO.exe
    • UIHost.exe
    • UmxAgent.exe
    • UmxAttachment.exe
    • UmxCfg.exe
    • UmxFwHlp.exe
    • UmxPol.exe
    • upiea.exe
    • UpLive.exe
    • USBCleaner.exe
    • vsstat.exe
    • wbapp.exe
    • webscanx.exe
    • WoptiClean.exe
    • Wsyscheck.exe
    • XDelBox.exe
    • XP.exe
    • zhudongfangyu.exe
    • zjb.exe
    • zxsweep.exe
    • ~.exe

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

7.614.10

FIRST VSAPI PATTERN DATE:

12 Nov 2010

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Remove grayware/spyware files dropped/downloaded by WORM_OTORUN.BN

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Enable Registry Editor

[ Learn More ]
By doing this step, you also enable other applications/programs disabled by this malware/grayware/spyware.

Step 5

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360rp.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360rpt.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360Safe.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360Safe.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360safebox.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360sd.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360sdrun.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\799d.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\adam.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AgentSvr.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AntiU.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AoYun.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\appdllman.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AppSvc32.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ArSwp.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ArSwp2.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ArSwp3.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AST.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\atpup.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\auto.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AutoRun.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\autoruns.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\av.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AvastU3.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avconsol.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgrssvc.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AvMonitor.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.com
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AvU3Launcher.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\CCenter.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ccSvcHst.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cross.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Discovery.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\DSMain.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\EGHOST.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FileDsty.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\filmst.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FTCleanerShell.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FYFireWall.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ghost.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\guangd.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\HijackThis.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\IceSword.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\iparmo.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Iparmor.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\irsetup.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\isPwdSvc.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\jisu.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kabaload.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KaScrScn.SCR
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KASMain.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KASTask.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAV32.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVDX.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVPF.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVPFW.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVSetup.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kavstart.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kernelwind32.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KISLnchr.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kissvc.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KMailMon.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KMFilter.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KPFW32.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KPFW32X.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KPfwSvc.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KRegEx.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KRepair.com
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KsLoader.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KSWebShield.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KVCenter.kxp
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KvDetect.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KvfwMcl.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KVMonXP.kxp
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KVMonXP_1.kxp
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kvol.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kvolself.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KvReport.kxp
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KVScan.kxp
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KVSrvXP.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KVStub.kxp
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kvupload.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kvwsc.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KvXP.kxp
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KvXP_1.kxp
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KWatch.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KWatch9x.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KWatchX.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KWSMain.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kwstray.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KWSUpd.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\loaddll.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\logogo.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MagicSet.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mcconsol.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mmqczj.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mmsk.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Navapsvc.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Navapw32.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\NAVSetup.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\niu.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nod32.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nod32krn.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nod32kui.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\NPFMntor.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pagefile.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pagefile.pif
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pfserver.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\PFW.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\PFWLiveUpdate.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\qheart.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\QHSET.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\QQDoctor.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\QQDoctorMain.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\QQDoctorRtp.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\QQKav.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\QQPCMgr.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\QQPCRTP.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\QQPCSmashFile.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\QQPCTray.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\QQSC.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\qsetup.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Ras.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rav.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ravcopy.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMon.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMonD.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavStub.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavTask.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RegClean.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rfwcfg.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rfwmain.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rfwProxy.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rfwsrv.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RsAgent.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rsaupd.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rsnetsvr.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RsTray.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\runiep.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\safeboxTray.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\safelive.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\scan32.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ScanFrm.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ScanU3.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SDGames.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SelfUpdate.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\servet.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\shcfg32.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SmartUp.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sos.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SREng.EXE
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SREngPS.EXE
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\stormii.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sxgame.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\symlcsvc.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SysSafe.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\tmp.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\TNT.Exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\TrojanDetector.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Trojanwall.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\TrojDie.kxp
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\TxoMoU.Exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\UFO.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\UIHost.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\UmxAgent.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\UmxAttachment.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\UmxCfg.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\UmxFwHlp.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\UmxPol.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\upiea.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\UpLive.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\USBCleaner.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vsstat.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\wbapp.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\webscanx.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\WoptiClean.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Wsyscheck.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\XDelBox.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\XP.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\zhudongfangyu.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\zjb.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\zxsweep.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\~.exe
    • Debugger = ntsd -d
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\exefile
    • NeverShowExt = 1
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Associations
    • ModRiskFileTypes = 1
  • In HKEY_CLASSES_ROOT\exefile
    • NeverShowExt = 1
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies
    • WriteProtect = 0

Step 6

Restore this modified registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
    • From: ShowSuperHidden = 0
      • To: ShowSuperHidden = 1

Step 7

Restart in normal mode and scan your computer with your Trend Micro product for files detected as WORM_OTORUN.BN. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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