They included shortcuts, Help files, log files, and a couple of CSV files. I did observe that the affected files were types most would consider less important. Another encrypted a dozen files in and below the Desktop folder, and dropped ransom notes in several of them. One of the ransomware samples encrypted a file in a folder on the Desktop before getting caught by Folder Shield, because the Desktop wasn't protected. Read those notifications carefully, and only trust programs that you're sure of.Ī closer look revealed that things weren't entirely hunky-dory. I did observe that if you accidentally choose to trust a program that turns out to be ransomware, the behavior-based detection system also ignores it. Folder Shield blocked five of the samples, while behavior-based detection caught the sixth before it could even trigger a reaction from Folder Shield. Next, I brought out the big guns-six real-world ransomware samples. The same thing happened when I tried a simple, hand-coded program that simulates encrypting ransomware behavior. After a short while, it automatically chose the block option. RansomBuster quite properly reported unauthorized access, giving me the option to block that access or add the program to the trusted list. I attempted to modify some text files in the Documents folder. This program exists nowhere but on my test PC, so it definitely qualifies as an unknown program. Testing Folder Shieldįor a quick sanity check, I launched a tiny text editor that I wrote myself. Once you've made that choice, RansomBuster just runs in the background, requiring no further interaction unless it encounters an attack. Selecting those folders is the only configuration option this is a very simple, focused program. Later, I realized that simply selecting the C:\Users folder should protect most of your important documents. That seemed like a major limitation at first.
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You'll quickly learn that this free edition can only protect two folders. The Documents folder comes preselected by default, but don't get too wild adding more folders. After installation, the program prompts you to select which folders you want to protect.
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Bitdefender Antivirus Plus includes a similar feature, while Panda Internet Security even bans unknowns from reading your files. You use your trusted word processor or image editor just as always, but the Folder Shield component prevents access by any unknown program. One very simple way to keep ransomware from encrypting files in your Documents folder (or other sensitive folders) is to simply ban all modification by unauthorized programs.
Check Point ZoneAlarm Anti-Ransomware (19.95 Billed Annually at ZoneAlarm) restores affected files in a similar fashion. At the point that the possibility becomes a certainty, it terminates the ransomware and uses the backup to restore any files affected during its analysis. If RansomBuster detects even a faint possibility of ransomware activity, it makes a secure backup of the affected files. RansomBuster also includes behavior-based detection, but that's just one of its skills. Both of those products focus on detecting ransomware based on its behavior RansomFree strews bait files in strategic locations to help with its detection, as I'll explain. Like RansomFree and Malwarebytes Anti-Ransomware Beta-which is also free-RansomBuster is meant to be used alongside your standard antivirus.
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