RANSOM_CRYPTESLA.T

To delete registry keys this malware/grayware created:

1. Open Registry Editor. To do this:
   » For Windows 2000, Windows XP, and Windows Server 2003 users, click Start>Run, type regedit in the text box provided, and then press Enter.
   » For Windows Vista, Windows 7, and Windows Server 2008 users, click the Start button, type regedit in the Search input field then press Enter.
   » For Windows 8, Windows 8.1, and Windows Server 2012 users, right-click on the lower left corner of the screen, click Run, type regedit in the text box provided, and then press Enter.
2. In the left panel of the Registry Editor window, double-click the following:
   HKEY_CURRENT_USER>Software
3. Still in the left panel, locate and delete the key:
   msys
4. Again Still in the left panel, locate and delete the key:
   {installation ID}
5. Close Registry Editor.

To delete the registry value this malware created:

1. Open Registry Editor. To do this:
   » For Windows 2000, Windows XP, and Windows Server 2003 users, click Start>Run, type regedit in the text box provided, and then press Enter.
   » For Windows Vista, Windows 7, and Windows Server 2008 users, click the Start button, type regedit in the Search input field then press Enter.
   » For Windows 8, Windows 8.1, and Windows Server 2012 users, right-click on the lower left corner of the screen, click Run, type regedit in the text box provided, and 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:
   ms-helper = "%Application Data%\vcw{random letters}.exe"
4. In the left panel of the Registry Editor window, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>policies>system
5. In the right panel, locate and delete the entry:
   EnableLinkedConnections = "1"
6. Close Registry Editor.

To reset Internet security settings:

1. Close all Internet browser windows.
2. Open Control Panel. To do this:
   • On Windows 2000
   Click Start>Settings>Control Panel
   • On Windows XP, Server 2003, Vista, and 7
   Click Start>Control Panel
3. Double-click Internet Options.
4. In the Internet Properties window, click the Security tab.
5. For each Web content zone, click on the Default Level button to set each zone to the default setting.
6. Click OK.

To delete malware/grayware files:

For Windows 2000, Windows XP, and Windows Server 2003:

1. Right-click Start then click Search....
2. In the File name* input box, type
   
   • %User Profile%\My Documents\Recovery_File_{random letters}.txt
   • %Desktop%\RESTORE_FILES.HTML
   • %Desktop%\RESTORE_FILES.TXT
   • %Desktop%\RESTORE_FILES.BMP
   • restore_files_{random letters}.txt
   • restore_files_{random letters}.html
3. In the Look In drop-down list, select My Computer then press Enter.
4. Once located, select the file then press SHIFT+DELETE to delete it.
5. Repeat the said steps for all files listed.
   *Note: The file name input box title varies depending on the Windows version (e.g. Search for files or folders named or All or part of the file name.).

For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:

1. Open a Windows Explorer window.
   • For Windows Vista, 7, and Server 2008 users, click Start>Computer.
   • For Windows 8, 8.1, and Server 2012 users, right-click on the lower left corner of the screen, then click File Explorer.
2. In the Search Computer/This PC input box, type:
   
   • %User Profile%\My Documents\Recovery_File_{random letters}.txt
   • %Desktop%\RESTORE_FILES.HTML
   • %Desktop%\RESTORE_FILES.TXT
   • %Desktop%\RESTORE_FILES.BMP
   • restore_files_{random letters}.txt
   • restore_files_{random letters}.html
3. Once located, select the file then press SHIFT+DELETE to delete it.
4. Repeat the said steps for all files listed.
   *Note: Read the following Microsoft page if these steps do not work on Windows 7.