Gameover Zeus Warning
You should already be aware that there are a number of serious virus threats on the internet at the moment, and that a heightened level of care and vigilance has been recommended by a number of authorities around the World.
The latest viruses are called CryptoLocker and Gameover Zeus and they are very complex and sophisticated
- Gameover Zeus is designed to steal bank log-in credentials by searching a compromised computer and searching for files containing financial information
- If Gameover Zeus finds nothing of value it will attempt to install CryptoLocker that will result in your computer becoming unusable unless a fee is paid to make it useable again
Clicking on links to infected websites, opening attachments in emails or connecting infected USB drives are the most common ways that computers get infected with viruses.
Here is a reminder about how to try and protect yourself and your company from these threats:
Safe Internet Use
Be very careful when browsing the Internet and visiting sites. Only visit websites that you know and you trust. If you have a good anti-virus installed, such as McAfee, pay attention to their website warnings.
NEVER use simple (easy to guess) passwords, and NEVER use the same password on multiple websites. If there is (even the slightest chance that your PC has been comprised), inform your bank and change all passwords immediately.
Unknown or Odd Emails
If you receive an email that you are not sure about, delete it. It may be from an unknown sender, it might refer to something unexpected or it just “doesn’t look right”. If in any doubt, always delete. If it’s important, they will contact you again. Clicking on a bad link or opening a bad file can install malicious code onto your computer that could spread to every computer in your office. In particular:
- Never click on any link on any suspicious email, to see what it is. Just delete the email
- Never respond to an email asking for any of your details even if it is offering you a tax refund, your flight tickets, your phone bill, credit card statement etc. These dangerous emails will arrive in many different guises
- Never follow any link to any website on any email. Even if you think the email is genuine, always go to the website yourself because the link on the email may be bad and it could take you to a lookalike dangerous site
- Never ever open an executable (EXE) or compressed (ZIP) file on any email unless you are absolutely sure of what it is. And even so, always scan it before opening
- Never trust unknown Adobe Acrobat (PDF) files as these have been known to carry malicious code
USB Storage Devices
Never plug in unknown or suspect USB storage devices. If you have to, then always scan these with a good proprietary anti-virus product (such as Norton or McAfee) before you use any data on the device.
Never EVER download free software (remember that nothing in this life is free). Free or illegal software is the most common platform for the delivery of malicious software