CryptoWall Viruses

CryptoWall viruses such as CryptoLocker, AlphaCrypt and TeslaCrypt to name a few are ransomware trojans that encrypt any file that it has access to your on machine, delete the original, and then demand money to restore your data. What this means is that not only will it delete your files from your computer but also any file shares you may have access to or are attached to. We have seen, first-hand, the terror it causes.

How does it come in?

CryptoWall variants are incredibly sophisticated and can evade even top-ranked security systems. Attack vectors generally come from web-based exploits or CHM or RAR files attached to an email which the end-user must click through to launch the attack. These messages are usually spoofed to look like they are coming from a bank, online fax service or other official entity.

How to prevent it?

The first line of defense for this, or any other cyber-attack, is a robust security perimeter which incorporates these key pieces:

What to do if you have been infected?

Don’t panic, but act quickly: