Tighten local admin rights and permissions.Point out the dangers of clicking on internet advertisements.Train your staff to not open vague emails along the lines of “See attached my resume” with a pdf attachment labeled “Resume” or unexpected invoices from any type of sender.To effectively avoid infection, you need to combine best practices of securing your network and educating your staff. Unfortunately, the best remedy for ransomware to avoid it altogether. Without the custom-built decryption key, essentially, your files need to be deleted and recovered from backups. It’s worth mentioning that there are no removal tools for Crypto. This process generally takes 1 business day, time in which your network might be down. With all hands on deck, we find the infection, stop it and then recover your data from backups. To save you the ransom money, as your IT provider, we go into red-alert-mode once we encounter a virus such as CryptoLocker. This business model has turned into a billion dollar industry. The type of encryption of the Crypto viruses cannot be “cracked” the only cure for your data is to buy the antidote. These are signs that a virus has or is encrypting your files, ie. You see weird extensions in your file names: “Document ”, “Picture ”.Pop-ups appear asking you to run programs you don’t recognize.A file you double-click on your computer does not open.A file you received by email does not open.What are the symptoms of Crypto, you ask? In the last few years, the most malicious and common ransomware has been (some version of) CryptoLocker. Your information is then held hostage until you pay. Cybercriminals will try impersonating something somewhat familiar to trick you into downloading a virus or, the classic, breaking down the door to your network. How? To name a few, this can happen via email, fake ads on the internet, direct transfer from a usb key, unsecured ports on the firewall etc. Ransomware are software that slip through your spam filter and/or anti-virus. The future doesn’t look too bright either, with 2017 expecting to see further growth in the ransomware business. IBM concluded that ransomware attacks have increased by 6,000% – yes, six thousand, and, thus, so did the number of victims. “I resolve to keep my computer healthy this year.”Ģ016 has been dubbed “The Year of the Ransom”, nearing 1 billion dollars of ransom money collected by cybercriminals.
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