You need to be aware of an unpleasant piece of spam ransomware called Cryptolocker. It has been around for the last few weeks but has now started to get national attention.

It arrives as an e-mail, generally from a bank or other financial or government institution. As with any spam e-mail, just delete it. Do not open it and most certainly do not run any attachment.

The danger with this malware is that it encrypts your PC and demands a ransom. You then need to have your PC completely reformatted and everything re-installed.

To avoid any danger from this and other spam e-mails follow these simple security rules:

  1. If you aren’t expecting an e-mail from your bank, just delete it.
  2. Never open attachments that you do not recognise or attachments from people you do not know.
  3. Always keep your anti-virus software up to date.
  4. If you store any data on your PC, make sure you always have a set of good backups. And make sure you have tested those backups.

For more information see the National Crime Agency web site at If you have any concerns about your IT security, call us for advice on 01235 426700.