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Minimum scan engine version needed: 8.700
Pattern file needed: 6.170.07
Pattern release date: Jun 4, 2009
Important note: The "Minimum scan engine" refers to the earliest Trend Micro scan engine version guaranteed to detect this threat. However, Trend Micro strongly recommends that you update to the latest version in order to get comprehensive protection. Download the latest scan engine here.
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Solution:
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 1: Remove malware files dropped/downloaded by TROJ_YEKTEL.AA
Step 1: Remove malware files dropped/downloaded by TROJ_YEKTEL.AA
[Back]
Step 2: Restart in Safe Mode [back]
To restart in Safe Mode:
• For Windows 98 and ME users
- Restart your computer.
- Press the CTRL key until the startup menu appears.
- Choose the Safe Mode option then press Enter.
• For Windows NT (VGA mode) users
- Click Start>Settings>Control Panel.
- Double-click the System icon.
- Click the Startup/Shutdown tab.
- Set the Show List field to 10 seconds and click OK to save this change.
- Shut down and restart your computer.
- Select VGA mode from the startup menu.
• For Windows 2000 users
- Restart your computer.
- Press the F8 key, when you see the Starting Windows bar at the bottom of the screen.
- Choose the Safe Mode option from the Windows Advanced Options Menu then press Enter.
• For Windows XP users
- Restart your computer.
- Press F8 after the Power-On Self Test (POST) is done. If the Windows Advanced Options Menu does not appear, try restarting and then pressing F8 several times after the POST screen.
- Choose the Safe Mode option from the Windows Advanced Options Menu then press Enter.
• For Windows Server 2003 users
- Restart your computer.
- Press F8 after Windows starts up. If the Windows Advanced Options Menu does not appear, try restarting again and then pressing F8 several times after restarting.
- On the Windows Advanced Option menu, use the arrow keys to select Safe Mode, and then press Enter.
Step 3:
Delete this registry value [learn how] 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\Run
- PAV = "%Program Files%\PAV\pav.exe"
Step 3:
Delete this registry value [back]
To delete the registry value this malware created:
- Open Registry Editor. To do this, click Start>Run, type regedit in the text box provided, then press Enter.
- In the left panel of the Registry Editor window, double-click the following:
HKEY_LOCAL_MACHINE>Software>Microsoft>
Windows>CurrentVersion>Run
- In the right panel, locate and delete the entry:
- PAV = "%Program Files%\PAV\pav.exe"
- Close Registry Editor.
Step 4:
Delete this registry value [learn how] 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>Explorer>
Browser Helper Objects
- {2E59498D-7E44-4452-9044-0973B080B9E8}
- In HKEY_CLASSES_ROOT\CLSID
- {2E59498D-7E44-4452-9044-0973B080B9E8}
Step 4:
Delete this registry value [back]
To delete the registry value this malware/grayware/spyware created:
- Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
- In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>
Windows>CurrentVersion>Explorer>
Browser Helper Objects
- Still in the left panel, locate and delete the key:
-
{2E59498D-7E44-4452-9044-0973B080B9E8}
- In the left panel, double-click the following:
HKEY_CLASSES_ROOT>CLSID
- Still in the left panel, locate and delete the key:
-
{2E59498D-7E44-4452-9044-0973B080B9E8}
- Close Registry Editor.
Step 5: Search and delete these files [learn how] *Note:
There may be some component files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
- %System%\winexplorer.dll
- %Desktop%\Personal Antivirus.lnk
Step 5: Search and delete these files [back]
To delete malware/grayware/spyware component files:
- Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
- In the Named input box, type:
- In the Look In drop-down list, select My Computer, then press Enter.
- Once located, select the file then press SHIFT+DELETE to permanently delete the file.
- Repeat steps 2 to 4 for the remaining files:
- %Desktop%\Personal Antivirus.lnk
Step 6: Search and delete this folder [learn how] *Note:
Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden folders in the search result.
Step 6: Search and delete this folder [back]
To delete the malware/grayware/spyware folder:
- Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
- In the Named input box, type:
- In the Look In drop-down list, select My Computer, then press Enter.
- Once located, select the folder then press SHIFT+DELETE to permanently delete the folder.
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