WORM_UTOTI.WJC

Step 1
For Windows ME and XP users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2
Restart in Safe Mode

Step 3
Delete this registry value This step allows you to delete the registry value created by the malware.

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\CurrentVersion\policies\Explorer\Run
  • csrcs = %System%\csrcs.exe
    
• In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
  • csrcs = %System%\csrcs.exe
    

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_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>policies>Explorer>Run
3. In the right panel, locate and delete the entry:
   csrcs = %System%\csrcs.exe
4. In the left panel of the Registry Editor window, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>RunServices
5. In the right panel, locate and delete the entry:
   csrcs = %System%\csrcs.exe
6. Close Registry Editor.

Step 4
Delete this registry key This step allows you to delete the registry key the malware/grayware/spyware added in the Windows registry after you restart in Safe Mode.

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. Before you could do this, you must restart in Safe Mode. For instructions on how to do this, you may refer to this page If the preceding step requires you to restart in safe mode, you may proceed to edit the system registry.

• In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\DRM
  • amty
    

To delete the registry key this malware/grayware/spyware created:

1. Restart your computer in Safe Mode. For instructions on how to do this, you may refer to this page. If the preceding step requires you to restart in safe mode, you may proceed to #2.
2. Open Registry Editor. To do this, click Start>Run, type REGEDIT in the text box provided, then press Enter
3. In the left panel of the Registry Editor window, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>DRM
4. Still in the left panel, locate and delete the key:
   amty
5. Close Registry Editor.

Step 5
Restore this modified registry value This step allows you to undo a change done by the malware/grayware/spyware to a registry value.

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\Current Version\Winlogon
  • From: Shell = Explorer.exe csrcs.exe
    To: Explorer.exe
    
• In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
  • From: Hidden = 2
    To: 1
    
• In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
  • From: SuperHidden = 0
    To: 1
    
• In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
  • From: ShowSuperHidden = 0
    To: 1
    

To restore the registry value this malware/grayware/spyware modified:

1. Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
2. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>Current Version>Winlogon
3. In the right panel, locate the registry value:
   Shell = Explorer.exe csrcs.exe
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   Explorer.exe
5. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>Current Version>Winlogon
6. In the right panel, locate the registry value:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Explorer>Advanced
7. Right-click on the value name and choose Modify. Change the value data of this entry to:
   Hidden = 21
8. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>Current Version>Winlogon
9. In the right panel, locate the registry value:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Explorer>Advanced
10. Right-click on the value name and choose Modify. Change the value data of this entry to:
    SuperHidden = 01
11. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>Current Version>Winlogon
12. In the right panel, locate the registry value:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Explorer>Advanced
13. Right-click on the value name and choose Modify. Change the value data of this entry to:
    ShowSuperHidden = 01
14. Close Registry Editor.

Step 6
Search and delete AUTORUN.INF files created by WORM_UTOTI.WJC that contain these strings This solution provides a basic guide in removing unwanted AUTORUN.INF files/content that are added by malware.

;{random}

[AUToRuN]

;{random}

USEAUtoplay=1

;{random}

Icon=%sYsteM%sheLL32.dLL,7

;{random}

acTION=View files

;{random}

OpEn={Random File Name}.exE

ShelloPenDEFauLT=1

;{random}

SHeLLOPeNcOMmaND={Random File Name}.exE

aCTioN=@{Random File Name}.exe

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:
   
   ;{random}
   [AUToRuN]
   ;{random}
   USEAUtoplay=1
   ;{random}
   Icon=%sYsteM%sheLL32.dLL,7
   ;{random}
   acTION=View files
   ;{random}
   OpEn={Random File Name}.exE
   ShelloPenDEFauLT=1
   ;{random}
   SHeLLOPeNcOMmaND={Random File Name}.exE
   aCTioN=@{Random File Name}.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.

Step 7
Scan your computer with your Trend Micro product to delete files detected as WORM_UTOTI.WJC 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.