TROJ_CRYPLOCK.DA

To delete the registry key this malware/grayware created:

1. Open Registry Editor.
   » 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, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Uninstall
3. Still in the left panel, locate and delete the key:
   Mail Informer 1.0.6
4. Close Registry Editor.

To delete the registry value this malware/grayware created:

1. Open Registry Editor.
   » 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, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Uninstall>Mail Informer 1.0.6
3. In the right panel, locate and delete the entry:
   DisplayName = "Mail Informer 1.0.6"
4. Again In the right panel, locate and delete the entry:
   DisplayVersion = "1.0.6"
5. Again In the right panel, locate and delete the entry:
   VersionMajor = "1"
6. Again In the right panel, locate and delete the entry:
   VersionMinor = "0"
7. Again In the right panel, locate and delete the entry:
   Publisher = "-"
8. Again In the right panel, locate and delete the entry:
   DisplayIcon = "%Program Files%\-\Mail Informer\Uninstall.exe"
9. Again In the right panel, locate and delete the entry:
   UninstallString = "%Program Files%\-\Mail Informer\Uninstall.exe"
10. Again In the right panel, locate and delete the entry:
    InstallLocation = "%Program Files%\-\Mail Informer"
11. Again In the right panel, locate and delete the entry:
    InstallDate = "20150824"
12. Again In the right panel, locate and delete the entry:
    Language = "419"
13. Again In the right panel, locate and delete the entry:
    EstimatedSize = "21d"
14. Again In the right panel, locate and delete the entry:
    NoModify = "1"
15. Again In the right panel, locate and delete the entry:
    NoRepair = "1"
16. Close Registry Editor.

To manually delete a malware/grayware file from an affected system:

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

1. Right-click Start then click Search....
2. In the File name* input box, type the following:
   
   • %User Temp%\$inst\2.tmp
   • %User Temp%\$inst\temp_0.tmp
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.
   *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 Temp%\$inst\2.tmp
   • %User Temp%\$inst\temp_0.tmp
3. Once located, select the file then press SHIFT+DELETE to delete it.
   *Note: Read the following Microsoft page if these steps do not work on Windows 7.

To delete malware/grayware/spyware folders:

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

1. Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
2. In the File name* input box, type:
   
   • %User Temp%\$inst
   • %Program Files%\-
   • %Program Files%\-\Mail Informer
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:
   • %User Temp%\$inst
   • %Program Files%\-
   • %Program Files%\-\Mail Informer
   *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 Temp%\$inst
   • %Program Files%\-
   • %Program Files%\-\Mail Informer
3. Once located, select the file then press SHIFT+DELETE to permanently delete the folder.
4. Repeat steps 2-3 for the remaining folders:
   • %User Temp%\$inst
   • %Program Files%\-
   • %Program Files%\-\Mail Informer
   *Note: Read the following Microsoft page if these steps do not work on Windows 7.