WORM_OTORUN.ELG

To restart in Safe Mode:

• For Windows 2000 users

1. Restart your computer.
2. Press F8 when you see the Starting Windows bar at the bottom of the screen.
3. Choose the Safe Mode option from the Windows Advanced Options menu then press Enter.

• For Windows XP users

1. Restart your computer.
2. Press F8 after the Power-On Self Test (POST) routine is done. If the Windows Advanced Options menu does not appear, try restarting then pressing F8 several times when the POST screen appears.
3. Choose the Safe Mode option from the Windows Advanced Options menu then press Enter.

• For Windows Server 2003 users

1. Restart your computer.
2. Press F8 after Windows starts up. If the Windows Advanced Options menu does not appear, try restarting again and pressing F8 several times afterward.
3. On the Windows Advanced Option menu, use the arrow keys to select Safe Mode then press Enter.

• For Windows Vista and Windows 7 users

1. Restart your computer.
2. Press F8 after the Power-On Self Test (POST) routine is done. If the Advanced Boot Options menu does not appear, try restarting and then pressing F8 several times after the POST screen is displayed.
3. On the Advanced Boot Options menu, use the arrow keys to select the Safe Mode option, and then press Enter.

To delete the registry value this malware created:

1. Open Registry Editor. To do this, click Start>Run, type regedit in the text box provided, then press Enter.
2. In the left panel of the Registry Editor window, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Run
3. In the right panel, locate and delete the entry:
   Microsoft = "%System Root%\Program File\Microsoft\MicrosoftSafety.exe"
4. In the left panel of the Registry Editor window, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Run
5. In the right panel, locate and delete the entry:
   Microsoft = "%System Root%\Program File\Microsoft\MicrosoftSafety.exe"
6. In the left panel of the Registry Editor window, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>Winlogon>SpecialAccounts>UserList
7. In the right panel, locate and delete the entry:
   SYS_4321 = "0"
8. In the left panel of the Registry Editor window, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>LanmanServer>Shares
9. In the right panel, locate and delete the entry:
   SYS_A$ = "CSCFlags=0"
10. Again In the right panel, locate and delete the entry:
    SYS_C$ = "CSCFlags=0"
11. Again In the right panel, locate and delete the entry:
    SYS_D$ = "CSCFlags=0"
12. Again In the right panel, locate and delete the entry:
    SYS_F$ = "CSCFlags=0"
13. Close Registry Editor.

To restore the registry value this malware/grayware modified:

1. Open Registry Editor. Click Start>Run, type REGEDIT in the text box provided, and then press Enter.
2. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Explorer>Advanced
3. In the right panel, locate the registry value:
   HideFileExt = "1"
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   HideFileExt = 0
5. Again In the right panel, locate the registry value:
   SuperHidden = "0"
6. Right-click on the value name and choose Modify. Change the value data of this entry to:
   SuperHidden = 1
7. Again In the right panel, locate the registry value:
   ShowSuperHidden = "0"
8. Right-click on the value name and choose Modify. Change the value data of this entry to:
   ShowSuperHidden = 1
9. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>policies>system
10. In the right panel, locate the registry value:
    shutdownwithoutlogon = "0"
11. Right-click on the value name and choose Modify. Change the value data of this entry to:
    shutdownwithoutlogon = 1
12. Close Registry Editor.

To delete malware/grayware/spyware folders:

1. Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
2. In the Named input box, type:
   
   • {Drive Letter}:\COMM
   • %System Root%\Program File
   • {malware path}\{malware file name}
3. In the Look In drop-down list, select My Computer, then press Enter.
4. Once located, select the folder then press SHIFT+DELETE to permanently delete the folder.
5. Repeat steps 2 to 4 for the remaining folders:
   • {Drive Letter}:\COMM
   • %System Root%\Program File
   • {malware path}\{malware file name}

To identify and delete AUTORUN.INF files created:

1. Right-click the Start button then choose Search... or Find..., depending on the version of Windows you are running.
2. In the Named input box, type:
   AUTORUN.INF
3. In the Look in: drop-down list, select a drive, then press Enter.
4. Select the file, then open using Notepad.
5. Check if the following lines are present in the file:
   
   
   

   [autorun]
   open="%System Root%\COMM\COMM\svchost.exe"
   shell\open\command=%System Root%\COMM\COMM\svchost.exe

6. If the lines are present, delete the file.
7. Repeat steps 3 to 6 for the remaining AUTORUN.INF files in other remaining removable drives.
8. Close Search Results.