[GUIDE] Beginners Protect Yourself from Ransomware!!!

wwzsocki

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Quote from: DrDoctor1234 on April 25, 2019, 04:19:02 AM

If you're really worried (and have the resources), you could have one computer/device for your at home wifi, banking, work and email (plus a few other trusted sites) ONLY, and another device that you use for browsing random websites, take with you and use public wifi, go on holidays with etc (but that you don't access your email with)...

Personally, I am using one of my laptops exactly as you described only at home secured network and only for important things, no browsing, downloading or anything. Still, during banking session, we can be infected so you never know but in the last few years I wasn't hacked even once so maybe it works. I hope Wink.

Added to the list: If possible try to use one computer only for banking and other important things (no email, no browsing, no downloading programs or open attachments on this machine) for all online activities use a different computer, with no important data.

Quote from: cryptovigi on April 28, 2019, 07:32:46 PM

...you shlould never to leave your network unsecured!!!...While setting the WIFI password, try to make it extremely strong ...

Thanks again for this suggestion @Cryptovigi already added to the list as "Never leave your network unsecured and try to make the WIFI password extremely strong."

If anybody knows any other way how to secure the computer or stay safe online, please share.

wwzsocki

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Quote from: Ipwich on May 02, 2019, 07:37:02 AM

Thank you for sharing, it's a helpful guide...

I am happy you like it.

Like you said, to be safe online you have to learn a few correct habits when using a computer and especially when browsing.

Majority of the time problems happens because of bad online behavior, like downloading files from unknown sources and installing malware from an email attachment.

Additionally, we have to teach our family members, how to use a computer correctly, when there are more people at home, especially children.

Windows has some parental controls, but this is not enough and guidance is needed to learn our children, how to stay safe online.

Ipwich

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Thank you for sharing, it's a helpful guide.
I heard this before and I'm just lucky I was not a victim of this yet. (hopefully not)

I think the only thing I made which is correct is I always back up my files, and in case my computer will be compromise, I think I can let go of this.
Additionally, I avoid downloading files in the internet using my computer which I store all my necessary data, like private key, and others.

wwzsocki

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Quote from: DdmrDdmr on April 29, 2019, 07:02:43 AM

...Lately, fibre cable companies seem to have upped security, and router default passwords are now non-universal, which is how it should be, since a vast amount of the population has now clue about router configuration...

Despite the efforts of companies as you say there are still people with no clue about routers and configuration additionally a lot of them is still using this same old router with a universal password and will be for another few years until something brakes.

DdmrDdmr

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Quote from: cryptovigi on April 28, 2019, 07:32:46 PM

<…>

Actually, that didn’t seem all that difficult to do, at least a year or two back. While having a go at hacking my own router (to tests vulnerabilities), I also acted as an “ethical hacker” on some neighbouring WIFIs, managing to access a few of their routers that were still using the default universal username and password. Obviously no harm was done, but it gaveme an idea of how easy it was back then.

Lately, fibre cable companies seem to have upped security, and router default passwords are now non-universal, which is how it should be, since a vast amount of the population has now clue about router configuration.

Ransomware is less likely to come directly from your neighbours (vs general internet), but you never know what they could do if they manage to gain access to your personal network.

wwzsocki

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Quote from: crypto mania on April 23, 2019, 04:05:18 AM

This is a really detailed list and there are few points I wasn't aware of but I am missing the simplest one which is: encrypt your files. Windows has the possibility to encrypt valuable data and you can do it in a few clicks. I think maybe this is something you want to add to this list because I am using it for a long time and saved me many times from my data to be stolen.

Thank you @Crypto Mania for your suggestion. Of course, I will add it to my list and merit you with my next free smerit. Indeed this is the first step to protect your files on computer and I am actually using encryption for my valuable files like docs. I just don't know how I forget this one.

cryptovigi

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While talking about computer security, we should also mention in a few words about network security. Currently, probably 90% of users use Wi-Fi - so it's worth to remind that you shlould never to leave your network unsecured!!!
While setting the WIFI password, try to make it extremely strong - in the case of a network access, using a difficult and long password is not a problem at all because you enter it only once (in one device) not every time you log in - so it's worth taking care of security.
You should also change the router administrator password, because the pair "admin" "admin" (or "admin" "12345") probably appears in 90% of routers.

Remember that if someone breaks into our network, he can also hack into our computers, files, spread virus, monitor traffic in our network, sniff our logins and passwords to websites and send spam or even use our network (IP address) for other illegal activities (like for example sharing/sending child pornography etc.)

wwzsocki

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Quote from: roosbit on April 25, 2019, 05:42:55 AM

... i would like to know if its possible that some of these companies in this data security business could be behind some of these notorious malware's because i found it odd that only one company successfully decrypted infected PCs.

Of course, is possible that some companies in the data security business are behind this notorious malware but I don't think Malwarebytes is one of them.

I have here an article which shows the pros and cons of the new Malwarebytes software, maybe you should read it. Here link

A few years ago IOBIT was blocked by Malwarebytes because of malware and adware in their products. This is a very big company and many people run their programs.
I have heard (also some time ago) that this company is managed by hackers. I haven't heart lately anything new from IOBIT but to be safe I never downloaded their software.
So yes big companies can be dangerous and we have to be alarmed and check everything before installing.

I think if you hold on to my list and use good habits when browsing the net and especially downloading software or open emails attachments.
In the last 7 years, my devices where not infected and I am literally non stop online with my phone, laptop, TV, radio, desktop, work station, tablet, and even freezer in kitchen is connected to the web.

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You mentioned Malwarebytes in the OP being a good security software and a good anti-malware which i have personally used for a long time believing it had the said qualities Roll Eyes

but unfortunately about a month ago or so my PC was infected by some malware called Gandcrab which literally encrypted my files and made my pc unusable unless i paid the required ransome of ~$1000.... of course i did not pay the ransome because someone from some forum said a fix would come after a few months, which came as expected but i had no time to wait...went with a fresh copy of windows to get back a working PC.

But i would like to know if its possible that some of these companies in this data security business could be behind some of these notorious malware's because i found it odd that only one company successfully decrypted infected PCs.

DrDoctor1234

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If you're really worried (and have the resources), you could have one computer/device for your at home wifi, banking, work and email (plus a few other trusted sites) ONLY, and another device that you use for browsing random websites, take with you and use public wifi, go on holidays with etc (but that you don't access your email with).

So you have one more safe and protected device for accessing work/email/banking and so on, and another device that you are a bit more open with and can visit other websites as this computer/device has zero or limited info of value on it.

This won't completely reduce the risk (particularly if you're clicking on links you shouldn't in your email), but so many stories seem to relate to people hooking up to public wifi that actually taps into your system and takes your personal information, installs a keylogger for your passwords etc. Or visiting a website that installs malware because you clicked a link you shouldn't.

Also maybe have a think about trying out Brave browser - you'll be supporting a crypto project, which may also reduce your risk of (accidentally) clicking ads you shouldn't since they'll be removed from the webpage.

DdmrDdmr

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Quote from: ?? on ??

Thanks for THIS topic! I was a victim of ransomware and believe ME... It's NOT pleasant...

Could you detail your case in order to leave a real case testimonial on how it happened, what occurred, and how you resolved the situation? It would be interesting to leave that sort of information to raise awareness and allow people to understand the process better from head to tail.

crypto mania

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This is a really detailed list and there are few points I wasn't aware of but I am missing the simplest one which is: encrypt your files. Windows has the possibility to encrypt valuable data and you can do it in a few clicks. I think maybe this is something you want to add to this list because I am using it for a long time and saved me many times from my data to be stolen.

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Quote from: wwzsocki on April 20, 2019, 07:07:57 AM

That was the only explanation I was able to find when used "rm -rf /..." as a search query.

After I published my post I have seen that this command is changed a few times in different comments but was too late and already published.

rm is remove command.
-r option means run the command "recursively". ( it will remove the directories even they have sub directories)
-f option mean "force" . It will not ask for any confirmation for deleting.
/ is "root" directory.(it is the start of every directory)

so "rm -rf /" means that you just want to wipe out everything from your system.

Best way to learn about the unix command is to type "man " in your unix console.

Currently I am not in unix system so I took the help from this page.

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Quote from: mk4 on April 19, 2019, 04:06:07 PM

That wasn't the point ETFbitcoin was making though. He was specifically referring to rm -rf / , which pretty much means forcefully remove everything in your Linux OS; which is actually a lot worse than the "delete system32" prank with Windows.
For more information: https://www.tecmint.com/linux-rm-command-examples/

The "point" has nothing to do I just needed to know what that command does/is.

That was the only explanation I was able to find when used "rm, -rf, /..." as a search query.

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Quote from: wwzsocki on April 19, 2019, 02:25:58 PM

Quote from: ?? on ??

...Run command rm -rf / (DON'T RUN IT)...

When I saw this command I just immediately had to know what this is and makes, made fast Google search and

I assume there will be more members with the strive to know what that, means.

That wasn't the point ETFbitcoin was making though. He was specifically referring to rm -rf / , which pretty much means forcefully remove everything in your Linux OS; which is actually a lot worse than the "delete system32" prank with Windows.

For more information: https://www.tecmint.com/linux-rm-command-examples/

wwzsocki

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Quote from: ?? on ??

...Run command rm -rf / (DON'T RUN IT)...

When I saw this command I just immediately had to know what this is and makes, made fast Google search and

I assume there will be more members with the strive to know what that, means.

mk4

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Quote from: ?? on ??

Quote from: mk4 on April 19, 2019, 12:47:59 PM

Linux devices aren't prone to ransomware attacks[1]; but I think the chances of your Linux device being infected is significantly low compared to Windows devices. If your Linux device gets infected, chances are, you've done something really really stupid, or the attack was focused specifically on you.

[1] https://www.bleepingcomputer.com/news/security/b0r0nt0k-ransomware-wants-75-000-ransom-infects-linux-servers/

I agree, additionally user who started using Linux often running command or modify system setting without knowing what it actually do and which could be dangerous such as :
1. Add 3rd party repository
2. Run command rm -rf /[/tt (DON'T RUN IT) 3. Add sudo when a command isn't working as expected

Pretty much. I'm also guilty of doing the "copy the command that I don't understand" on random forum posts on the web, when I can't seem to fix something when I was first starting out with Linux Mint a couple of years ago.

~~What does the rm -rf /[/tt command do though? Couldn't find info on Google. I'm aware that rm is remove, but what does it remove?~~

Nvm. Just realized it was a typo on your side lol.

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Regular backup of files is the key to not losing tour important files to viruses I will go for backup any day if you files are always backup you don't have much to be afraid of unless tour password is compromise and you need a change of password but apart from that backing up files is the best.

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Quote from: joniboini on April 18, 2019, 05:50:06 AM

Seems like the guide is for Windows user. Hmm, should we add "Use GNU/Linux" as a way to protect ourselves from ransomware then?

Linux devices aren't prone to ransomware attacks[1]; but I think the chances of your Linux device being infected is significantly low compared to Windows devices. If your Linux device gets infected, chances are, you've done something really really stupid, or the attack was focused specifically on you.

[1] https://www.bleepingcomputer.com/news/security/b0r0nt0k-ransomware-wants-75-000-ransom-infects-linux-servers/

wwzsocki

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Quote from: cryptovigi on April 18, 2019, 02:48:15 PM

... Do not use an administrator account every day. It's a really simple way that can protect you against many malicious software and viruses...

Very good suggestion @Cryptovigi will be added to the list of course.

Actually, personally, I am always surfing using an account with no administrator privileges from obvious reasons quoted above.

My next free merit will be awarded to this post.

Topic: [GUIDE] Beginners Protect Yourself from Ransomware!!! (Read 628 times)